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Are you in search of a reliable smart watch that seamlessly connects to your cell phone? One SmartWatch or a smart band could be the perfect choice for you. These devices offer a combination of the functionality of a smartphone with the convenience of a wristwatch, ensuring style e comfort in everyday life, Besides being great partners in physical activities e health monitoringIn this article, we've compiled the best devices available, highlighting what each offers in terms of features, battery life, connectivity, and value for money, to help you decide which one best suits your lifestyle.
What matters when choosing a smart watch?

Smartwatches have distinct ecosystems and operating systems, meaning not every watch will be compatible with the smartphone you're using. Therefore, pay attention to these decision points:
Brand and operating system

The brand and operating system are essential factors because they determine both the quality of the experience and compatibility with your phone. Watches like the Apple Watch Series 11 and Apple Watch SE 3 They use watchOS, exclusive to iPhone, offering seamless integration with native apps, messaging, calls, and features like ECG or Fall Detection. On the other hand, models like the Samsung galaxy watch8 and Galaxy Watch Ultra (2025) They run Wear OS with One UI Watch, ensuring a good integration between Android and Google Apps — as well as access to the Play Store. Brands like... Amazfit e Garmin They use their own operating systems (Zepp OS and Garmin OS), focused on efficiency and sports features, which results in much longer battery life.
Choosing the wrong operating system can limit important functions. For example, a Apple Watch Ultra 3 It doesn't work with Android, while a Garmin Forerunner 265 It works with both systems via Garmin Connect, but doesn't offer the same app ecosystem as a Samsung or Apple watch. If the user is looking for an everyday watch with strong integration, Apple and Samsung stand out; but if the focus is on autonomy and simplicity, models like... Amazfit GTR 4 e Xiaomi smart band 10 They offer longer battery life and fewer distractions. The choice should match usage style and compatibility with the smartphone.
Sports activity monitoring
For those who exercise, the precision and variety of metrics make all the difference. Garmin This is a classic example for athletes: the Forerunner 55 It provides essential metrics for beginners, while the Forerunner 265 It goes even further with multi-band GPS, advanced running metrics, and readiness estimation — features that help those who train regularly. Meanwhile, Samsung Galaxy Watch Ultra (2025) It focuses on durability and sensors optimized for outdoor activities, approaching what Apple does with its... Apple Watch Ultra 3, which offers a dive mode, trail metrics, and more robust GPS.
Health and sleep management
Health and sleep monitoring features have become one of the major differentiating factors of modern smartwatches. Models such as... Apple Watch Series 11 e Apple Watch Ultra 3 They provide continuous monitoring of heart rate, SpO₂, detailed sleep history, and advanced health alerts — such as ECG and even Accident Detection. Meanwhile, Samsung galaxy watch8 It offers good accuracy, Body Composition, and sleep tracking with levels, cycles, and personalized guidance. These features are especially useful for those who want to monitor their well-being and prevent problems before symptoms appear.

Brand models such as Amazfit e HUAWEI They also stand out for their sleep analysis—often superior to that of more expensive smartwatches—thanks to proprietary algorithms such as Zepp Sleep and TruSleep 5.0. HUAWEI Band 10 and Amazfit GTR 4For example, they read sleep phases, nighttime SpO₂, and detect variations that help identify accumulated stress or fatigue. Meanwhile, sports watches like the... Garmin Forerunner 265 They combine health metrics with analyses that directly influence daily training.
Connectivity

Connectivity defines how well the smartwatch communicates with your smartphone and other devices, and directly influences features such as calls, streaming, GPS, and apps. Advanced models, such as the Galaxy Watch Ultra and the Apple Watch Ultra 3, utilize... Bluetooth 5.3which ensures faster connections, greater range, and lower energy consumption when pairing with headphones or cell phones. They also bring Dual-band Wi-Fi (2,4 GHz and 5 GHz), allowing synchronization and use of apps even when away from the smartphone. In sports tracking, the presence of Multi-system and multi-band GPS (L1 + L5) It makes all the difference, offering far superior precision on urban routes, trails, races, and cycling compared to entry-level models.
Autonomy resources, such as LTE/eSIMThey allow you to make calls, receive messages, and use apps without relying on your cell phone. As for... NFCThe feature present in premium models allows for contactless payments directly from the wrist, something absent in simpler devices. Conversely, smart bands like the Xiaomi Smart Band 10 offer only basic Bluetooth and less sophisticated (or even absent) GPS, reinforcing how connectivity is a crucial differentiating factor between entry-level models and full-featured smartwatches.
Battery

Battery life varies considerably between models and should be considered according to your lifestyle. More advanced watches, such as the Apple Watch SE 3 and Series 11They last about a day and a half because they process a lot of data in real time, have brighter screens, and offer advanced connectivity. As for... Samsung galaxy watch8 delivers similar autonomy, while the Galaxy Watch Ultra (2025) It should offer extra days of use thanks to its more robust construction and focus on outdoor activities. In contrast, brands such as Amazfit e HUAWEI They stand out with durations that reach up to two weeks — as in Amazfit Bip 6, which can spend almost a month in economy mode.
Water and dust resistance

Water and dust resistance ensures the smartwatch can keep up with your routine without damage — whether at the gym, in the rain, or even swimming. Models like the Apple Watch Ultra 3 and Galaxy Watch Ultra (2025) They have superior durability, making them ideal for those who practice water sports or intense outdoor activities. Apple's Ultra, for example, is certified for recreational diving, while many Garmin models, such as the... Forerunner 265They offer 5 ATM water resistance, suitable for swimming and heavy rain. The IP certification indicates the level of protection against dust and water, and it is common to find smartwatches with this feature. IP67 or IP68, which guarantee resistance to dust and light submersion. Models such as the Galaxy Watch Ultra ou OPPO Watch X2They combine IP68 with other certifications, offering even more safety for those who practice outdoor activities.
Apple
The smartwatches of Apple They are recognized for their seamless integration with the iOS ecosystem, delivering a fluid experience that combines performance, premium design, and advanced health features such as ECG and fall detection.
Apple Watch SE 3 – starting from R$3.299

O Apple Watch SE 3 It's the perfect entry point for those who want the full Apple ecosystem experience without paying for the line's most advanced features. It maintains the fluidity of watchOS, offers great performance with the S10 chip, and includes key health and safety features such as heart rate monitoring, fall detection, and sleep tracking with temperature analysis. It's a lightweight, comfortable, and reliable watch for everyday use, ideal for those seeking practicality, iPhone integration, and a battery that effortlessly handles their daily routine.
Specification table:
| Feature | Details |
|---|---|
| Córdoba | Apple Watch SE 3 |
| Brand | Apple |
| Operational system | WATCH |
| Fabric | Always-On OLED LTPO Retina |
| size and resolution | – 40 mm: 324 × 394 px – 44 mm: 368 × 448 px ~ 326 ppi; up to 1000 nits peak brightness |
| Storage | 64 GB |
| Processor | S10 dual-core 64-bit chip + Neural Engine 4 cores |
| battery life | Up to 18 hours of normal use; up to 32 hours in Low Power Mode; fast recharge: ~80% in ~45 min; ~8 hours of use with a 15 min charge. |
| Connectivity | GPS, Wi-Fi, Bluetooth (GPS + cellular options also available) — same connectivity as the Series 11/Ultra line. |
| Sensors | Optical heart rate sensor (2nd generation), pulse temperature sensor, compass, always-on altimeter, accelerometer, gyroscope, ambient light sensor. |
| Water resistance | 50 meters / standard water resistance for the Apple Watch SE line (swimming allowed) |
| Resources | Always-on display; sleep detection + sleep score; temperature sensor; physical activity monitoring; notifications; speaker and microphone for media and calls. |
| Price | Starting at R $ 3.299 |
Apple Watch Series 11 – starting from R$5.499

O Apple Watch Series 11 This represents the natural advancement of Apple's intelligent features, combining a brighter screen, more precise sensors, and superior performance for those seeking a complete smartwatch. It's designed for those who want a strong ally in health and physical performance, with ECG, SpO₂, sleep tracking, and enhanced measurements thanks to the S10 chip and 3rd-generation optical sensor. The Series 11 is robust, elegant, and extremely functional, offering the ideal balance between technology, battery life, and wellness features, especially for those who rely on their watch for workouts, organization, and daily productivity.
Specification table:
| Feature | Details |
|---|---|
| Córdoba | Apple Watch Series 11 |
| Brand | Apple |
| Operational system | WATCH |
| Fabric | Always-On OLED LTPO3 Retina display; Ion-X glass (aluminum) or sapphire crystal (titanium) |
| size and resolution | – 42 mm: 374 × 446 px, viewing area 989 mm² – 46 mm: 416 × 496 px, viewing area 1220 mm² ~ 326 ppi; up to 2000 nits peak brightness. |
| Storage | 64 GB |
| Processor | S10 dual-core 64-bit chip + Neural Engine 4 cores |
| battery life | Up to 24 hours of normal use; up to 38 hours in Low Power Mode; 80% in ~30 min. Charging for 15 minutes provides approximately 8 hours of normal use. |
| Connectivity | GPS, 2,4/5 GHz Wi-Fi, Bluetooth 5.3, UWB ultra-wideband, Apple Pay, GymKit; cellular options: LTE / 5G NR (compatible bands) |
| Sensors | Electrical heart sensor, 3rd generation optical sensor, blood oxygen sensor, temperature sensor, compass, always-on altimeter, accelerometer, gyroscope, ambient light sensor, depth sensor (up to 6 m), water temperature sensor. |
| Water resistance | Up to 50 m + dust resistance (IP6X) |
| Resources | ECG, SpO₂ measurement, temperature detection, sleep and apnea tracking, irregular heart rhythm detection, high/low heart rate notifications, health apps, notifications, payment (Apple Pay), cellular connectivity (depending on the model), etc. |
| Price | Starting at R $ 5.499 |
Apple Watch Ultra 3 – starting from R$10.499
O Apple Watch Ultra 3 It's the most advanced in the line — a smartwatch developed for athletes, adventurers, and those seeking maximum precision, durability, and battery life. The titanium case, dual-frequency GPS, and specialized sensors for depth and extreme sports make it the ideal watch for intense activities, including hiking, diving, and high-performance sports. Its longer battery life, super-bright screen of up to 3000 nits, and new satellite connectivity elevate its use to a professional level. It's a premium, rugged, and extremely complete device, designed for those who demand more and want to go beyond the "common use" of a smartwatch.
Specification table:
| Feature | Details |
|---|---|
| Córdoba | Apple Watch Ultra 3 |
| Brand | Apple |
| Operational system | WATCH |
| Fabric | Always-On OLED LTPO3 Retina display, sapphire crystal. |
| size and resolution | 49 mm (box) — active area 422 × 514 px (326 ppi), viewable area ~1245 mm². Up to 3000 nits peak brightness. |
| Storage | 64 GB |
| Processor | S10 dual-core 64-bit chip + Neural Engine 4 cores |
| battery life | Up to 42 hours of normal use; up to 72 hours in Low Power Mode; fast charging — up to 80% in ~45 min; 15 min of charging provides ~12 hours of use. |
| Connectivity | Dual-frequency precision GPS, Wi-Fi, Bluetooth, cellular (LTE/5G NR), ultra-wideband, dual antennas for better reception, Apple Pay, etc. |
| Sensors | Electrical heart sensor, 3rd generation optical sensor, SpO₂, temperature sensor, compass, always-on altimeter, depth/water sensor, accelerometer, gyroscope, ambient light sensor. |
| Water resistance | Titanium construction; water depth sensor; designed for use in demanding environments — suitable for swimming and water activities. |
| Resources | ECG, SpO₂, temperature detection, sleep tracking with sleep score, sleep apnea detection, multisport activities, VO₂ max, advanced training metrics (cadence, step, etc.), high-precision GPS, cellular and satellite connectivity (main new feature of the Ultra 3), notifications, calls, satellite emergency, speakerphone, noise-canceling microphones, siren, etc. |
| Price | Starting at R $ 10.499 |
Samsung
Smartwatches from Samsung They stand out for their balance between versatility and cost-effectiveness, running Wear OS in partnership with... Google and ensuring broad compatibility with Android. They are known for their AMOLED screens, good battery life, and solid health and fitness features. Comparisons between models generally revolve around the more robust or traditional design, training functionalities, and minor differences in sensor and battery performance.
Galaxy Fit3 – R$293,28
O Galaxy Fit3 It's a simple, affordable smartband designed for those who want to track their health and daily activity without spending a lot. Its crisp AMOLED screen and lightweight body make it a comfortable wristband for continuous wear, while the up to 13-day battery life guarantees autonomy far exceeding any traditional smartwatch. Although it doesn't have GPS, NFC, or Wi-Fi, it fulfills its purpose well: monitoring basic workouts, sleep, steps, and heart rate quickly and easily.
Specification table:
| Feature | Details |
|---|---|
| Córdoba | Galaxy Fit3 |
| Brand | Samsung |
| Operational system | RTOS (FreeRTOS) |
| Fabric | AMOLED |
| size and resolution | 1,6″ — 256 × 402 px |
| Storage | 256 MB (internal shared) + 16 MB RAM |
| Processor | Samsung does not disclose dedicated chip. |
| battery life | Up to 13 days (208 mAh battery) |
| Connectivity | Bluetooth (no GPS, no Wi-Fi, no NFC) |
| Sensors | Accelerometer, gyroscope, barometer, optical heart rate sensor, light/illumination sensor |
| Water resistance | 5ATM + IP68 |
| Resources | Monitoring of physical activities (various types of workouts), sleep monitor, media and camera control for the cell phone, notifications, simple alerts — very basic interface. |
| Price | R$293,28 |
Galaxy Watch7 (2024) – R$989,10
O Galaxy Watch7 It delivers the ideal balance between performance, advanced features, and affordability within Samsung's premium line. Running Wear OS, it offers full access to apps, deep integration with Android, and comprehensive health sensors — including bioimpedance, temperature, and ECG. Its Super AMOLED screen remains a highlight, with excellent brightness and clarity for everyday use.
Specification table:
| Feature | Details |
|---|---|
| Córdoba | Galaxy Watch7 |
| Brand | Samsung |
| Operational system | Wear OS |
| Fabric | Super AMOLED |
| size and resolution | Typical options: 1.3″ (33,3 mm) — 432 × 432 px |
| Storage | 32 GB internal storage + ~2 GB RAM |
| Processor | Exynos W1000 (penta-core) |
| battery life | Battery of ~300 mAh (40 mm model) — up to ~40 hours (AOD off) / ~30 hours (AOD on) as per official announcement. |
| Connectivity | Bluetooth 5.3, Wi-Fi, GPS / GLONASS / Beidou / Galileo, NFC |
| Sensors | Accelerometer, barometer, bioimpedance sensor, electrical and optical heart rate sensor, gyroscope, geomagnetic sensor, temperature sensor, light sensor. |
| Water resistance | 5 ATM; IP68 water resistance and military-grade certified body. |
| Resources | Health monitoring (heart rate, SpO₂, sleep, stress, etc.), exercise tracking, NFC payments, GPS connectivity, Wear OS apps, notifications, music, etc. |
| Price | R$989,10 |
Galaxy Watch8 / 8 Classic (2025) – starting at R$1.799,10
The line Galaxy Watch8 It refines what already worked well, bringing a thinner design, even better screen brightness, and improved accuracy thanks to dual GPS. A more efficient battery, updated Wear OS, and optimized health sensors complete the experience, making these models ideal for those who want a modern, stylish smartwatch ready for both workouts and professional routines. The version Classic This proposition is reinforced with a premium finish and more storage, making it ideal for those seeking a sophisticated look and greater durability without sacrificing advanced features.
Specification table:
| Feature | General details (standard Watch8 / Classic) |
|---|---|
| Córdoba | Galaxy Watch8 (and Galaxy Watch8 Classic) |
| Brand | Samsung |
| Operational system | Wear OS 6 (One UI 8 Watch) |
| Fabric | Super AMOLED, high brightness |
| size and resolution | Sizes: 40 mm or 44 mm (Watch8), Classic: 46 mm. Thinner screen and improved finish. |
| Storage | 32 GB (Standard) and 64 GB (Classic) |
| Processor | Likely similar to the 2024 series (Exynos W1000) — recent Wear OS, adequate performance for apps and workouts. |
| battery life | Design improvements; according to Samsung, it's ~8% thinner, which suggests efficiency, but consumption depends on usage. |
| Connectivity | Dual GPS (more accurate), Wi-Fi, Bluetooth, possibly LTE (depending on the version), NFC — similar to previous models. |
| Sensors | Typical health and fitness sensors: heart rate, SpO₂, sleep, motion sensors; likely the same as the previous generation with software improvements. |
| Water resistance | Samsung's standard for water/dust resistance (generally 5 ATM + IP68), suitable for everyday use and light water training. |
| Resources | Features include health, wellness, workouts, Wear OS apps, more accurate dual GPS, and high screen brightness — ideal for use in sunlight and outdoor activities. |
| Price | Watch8 – R$1.799,10 Watch8 Classic – R$3.199,00 |
Galaxy Watch Ultra (2025) – R$2.599,00
O Galaxy Watch Ultra This is Samsung's most robust and complete model, designed for those who practice outdoor sports, intense training, or need long battery life. With military-grade resistance, 10 ATM protection, and advanced sensors, it excels in health and performance monitoring, delivering precise metrics and dual-frequency GPS. The high-capacity battery offers up to 100 hours in power-saving mode, a significant advantage for trails, trips, and long training sessions.
Specification table:
| Feature | Details |
|---|---|
| Córdoba | Galaxy Watch Ultra 2025 |
| Brand | Samsung |
| Operational system | Wear OS (One UI 8 Watch) |
| Fabric | Super AMOLED |
| size and resolution | 1.5″ (37,3 mm) — 480 × 480 px |
| Storage | 64 GB internal storage + 2 GB RAM |
| Processor | Exynos W1000 (penta-core) |
| battery life | 590 mAh battery — up to 100 hours in power saving mode; ~48 hours with heavy use / GPS. |
| Connectivity | GPS (L1 + L5), Wi-Fi, Bluetooth 5.3, LTE (eSIM), NFC |
| Sensors | Optical and electrical heart sensor, barometer, gyroscope, geomagnetic sensor, temperature sensor (infrared), light sensor, BioActive (for SpO₂, ECG, body composition, etc.) |
| Water resistance | 10 ATM + IP68 + MIL-STD-810H military certification (dust/shock/extreme conditions resistance) |
| Resources | Advanced health and fitness monitoring (heart rate, SpO₂, sleep, stress, body composition, ECG, etc.), multisport training (including triathlon, swimming, cycling), high-precision GPS, emergency siren, eSIM for calls independent of the cell phone, robust interface for outdoor use and intense sports. |
| Price | R$2.599,00 |
HUAWEI
A HUAWEI It has gained traction with smartwatches that offer long-lasting batteries, excellent screen quality, and a very competent set of physical and sleep monitoring features. Even with limitations in some connected features due to software restrictions, the brand is recognized for the precision of its sensors and its focus on well-being.
HUAWEI Band 10 - R$344,00
A Huawei Band 10 It shines as an ultralight and affordable smartband, ideal for those who want to track their health, sleep, and physical activity without spending a lot. With a 1,47″ AMOLED screen, it offers heart rate monitoring, SpO₂ tracking, sleep and stress monitoring, over 100 workout modes, and long battery life — up to 14 days with light use.
Specification table:
| Feature | Details |
|---|---|
| Córdoba | Huawei Band 10 |
| Brand | Huawei |
| Operational system | Huawei's proprietary system (smartband) — compatible with Android and iOS. |
| Fabric | AMOLED |
| size and resolution | 1,47″ — 194 × 368 px, ~282 ppi |
| Storage | (Not disclosed as internal memory for apps, basic device) |
| Processor | Huawei does not disclose a dedicated chip for this smartband. |
| battery life | Up to 14 days of light use; approximately 8 days with typical use. |
| Connectivity | Bluetooth (2,4 GHz / BLE) |
| Sensors | Accelerometer, gyroscope, magnetometer (9-axis IMU); optical heart rate sensor; ambient light sensor. |
| Water resistance | 5 ATM (suitable for pool/daily use, not for deep diving) |
| Resources | Heart rate, SpO₂, sleep, and stress monitoring; records up to 100 workout modes; notifications; sleep analysis with TruSleep technology; lightweight and compact design. |
| Price | R$344,00 |
HUAWEI WATCH FIT 4 / 4 Pro – starting from R$1.259,00
O Watch Fit 4 (and its Pro version) It balances lightweight and elegant design with full smartwatch features. The 1,82″ AMOLED screen offers excellent clarity, and the HarmonyOS system provides smooth operation. With sensors for heart rate, oxygenation, sleep, exercise, and integrated GPS (depending on the version), it stands out as a reliable companion for daily routines, workouts, and health — plus a battery that typically lasts for several days without recharging.
Specification table:
| Feature | Details (Fit 4 / Fit 4 Pro) |
|---|---|
| Córdoba | Huawei Watch Fit 4 (and Watch Fit 4 Pro) |
| Brand | Huawei |
| Operational system | HarmonyOS |
| Fabric | AMOLED |
| size and resolution | 1,82″ — 480 × 408 px, ~347 ppi. Maximum brightness: 2000 nits (Fit 4) / 3000 nits (Fit 4 Pro) |
| Storage | 4GB (Fit) and 32GB (Pro) |
| Processor | Not disclosed by Huawei. |
| battery life | Up to 10 days (ideal conditions); approximately 7 days with normal use; approximately 4 days with AOD (Always On Display) active. |
| Connectivity | Bluetooth 5.2 + BLE; GNSS (GPS + GLONASS + Galileo + BDS + QZSS) on the model with GPS; NFC (compatible version) |
| Sensors | Accelerometer, gyroscope, magnetometer, optical heart rate sensor, barometer sensor, ambient light sensor. |
| Water resistance | 5 ATM — suitable for swimming and daily use in water. |
| Resources | Monitoring of physical activity, sleep, and heart rate; multiple training modes; integrated GPS (depending on the version); notifications; inclusion of microphone and speaker (for calls or interactions, depending on the model). |
| Price | Fit 4 – R$1.259,00 Fit 4 Pro – R$1.498,00 |
HUAWEI WATCH GT6 / 6 Pro – starting from R$1.760,32
O Watch GT 6 and its Pro version These are the most robust models in Huawei's line, designed for those seeking autonomy, precision, and advanced health and activity features. With an AMOLED screen, durability, and a well-built body, the GT 6 attempts to combine a complete smartwatch with a performance smartwatch. Its main differentiator lies in its long-lasting battery, support for various training modes, comprehensive sensors, and GPS — ideal for those who practice running, cycling, walking, or outdoor training and want reliable data without depending on their cell phone.
Specification table:
| Feature | Details |
|---|---|
| Córdoba | Huawei Watch GT 6 (41mm and 46mm versions) — and GT 6 Pro (46mm) |
| Brand | Huawei |
| Operational system | Harmony OS |
| Fabric | AMOLED color |
| size and resolution | 1,47″ (standard version) or 1,32″ (41 mm version) — 466 × 466 px, ~317 ppi. |
| Storage | 32GB (GT 6) and 64GB (GT 6 Pro) |
| Processor | Not disclosed by Huawei; optimized for long battery life and health/activity monitoring. |
| battery life | Up to 21 days with light use (46 mm); ~14 days with moderate use (41 mm). With AOD or heavy GPS use, battery life varies depending on usage. |
| Connectivity | Bluetooth + BLE, NFC, GNSS (GPS + GLONASS + Galileo + BDS + QZSS), compatible with Android and iOS. |
| Sensors | Accelerometer, gyroscope, magnetometer, optical heart rate sensor, barometer, temperature sensor, ambient light sensor. (Pro version adds depth sensor and possibly ECG) |
| Water resistance | 5 ATM + IP certification (depending on the version). The Pro version has a more robust body (titanium) and increased durability. |
| Resources | Health monitoring (heart rate, sleep, stress, oxygenation, etc.), over 100 training modes, GPS, advanced fitness functions (running, cycling, outdoor activities), compatibility with Huawei Health apps, offline maps, etc. The GT 6 Pro stands out for its robustness and extra features. |
| Price | GT 6 – R$1.760,32 GT 6 Pro – R$2.374,05 |
Xiaomi / redmi
The smartwatches of Xiaomi and Redmi They are famous for delivering a lot for the price, combining essential features, good screen quality, and solid battery life. They target those who want practicality in their daily lives without spending too much, and therefore are frequently evaluated based on their cost-benefit ratio in relation to sensors, system fluidity, and extra features such as integrated GPS.
Redmi Watch 5 Active - R $ 234,99
O Redmi Watch 5 Active This smartwatch is designed for those who want the essentials at an extremely affordable price. It offers a large, clear screen, comprehensive health monitoring (heart rate, SpO₂, sleep), over 100 sports modes, and a battery that can last more than two weeks with light use. Despite the lack of integrated GPS, the model stands out for its everyday practicality, good integration with Android phones, and efficient set of sensors—making it one of the most competitive watches in the entry-level segment.
Specification table:
| Feature | Details |
|---|---|
| Córdoba | Redmi Watch 5 Active |
| Brand | Redmi |
| Operational system | HyperOS (lightweight smartwatch platform) |
| Fabric | AMOLED (or LCD, depending on the source — there is variation depending on the version) |
| size and resolution | ~2,0″ / or 1.69-1.7″ depending on the version; resolution 320 × 385 px (or similar, depending on the panel) |
| Storage | 32GB |
| Processor | Not disclosed |
| battery life | 470 mAh battery; up to ~18 days with typical use; approximately 12 days with heavy use. |
| Connectivity | Bluetooth 5.3; no built-in GPS (depends on the smartphone) |
| Sensors | Accelerometer, optical heart rate sensor, SpO₂; some models have a gyroscope. |
| Water resistance | IPX8 / 5 ATM water resistance — suitable for daily life and water/splash resistance. |
| Resources | Health monitoring (heart rate, SpO₂, sleep), physical exercise, over 100 sports modes, notifications, media control, alarms, timer, etc. |
| Price | R$234,99 |
Xiaomi smart band 10 - R $ 349,00
A Xiaomi smart band 10 Following the line's tradition, it offers excellent value for money in an evolved smartband format. With a large, bright AMOLED screen, it delivers precise monitoring of heart rate, SpO₂, sleep, and stress, in addition to dozens of sports modes and a battery life that typically lasts about two weeks. Lightweight, comfortable, and functional, it's ideal for those looking to track their health and activity routine without the complexity (or cost) of a full-fledged smartwatch.
Specification table:
| Feature | Details |
|---|---|
| Córdoba | smart band 10 |
| Brand | Xiaomi |
| Operational system | HyperOS 2 |
| Fabric | AMOLED touch screen |
| size and resolution | 1,72″ — 212 × 520 px; brightness up to 1500 nits HBM with automatic adjustment |
| Storage | No internal memory for apps. |
| Processor | Not disclosed |
| battery life | 233 mAh battery; magnetic charging (~1 hour); estimated battery life according to Xiaomi (~14 days with light use) |
| Connectivity | Bluetooth 5.4 |
| Sensors | Accelerometer, gyroscope, electronic compass, optical heart rate sensor + pulse oximeter, ambient light sensor |
| Water resistance | 5 ATM (water resistance up to 50 m — suitable for swimming pools and everyday use) |
| Resources | Monitoring of heart rate, SpO₂, sleep, stress, physical activities/sports, notifications, etc. |
| Price | R$349,00 |
OPPO
A OPPO The company is betting on smartwatches with an elegant design and simple interface, prioritizing fast navigation and reliable health features. They are known for their crisp screens and efficient integration with Android smartphones, albeit with a more discreet focus than larger competitors.
OPPO Watch X2 - R $ 176,46

O OPPO Watch X2 This is an advanced smartwatch that combines the power of Wear OS with a high-quality LTPO AMOLED display and an extremely comprehensive set of sensors, including ECG and skin temperature. Its performance is guaranteed by the Snapdragon W5 Gen 1, allowing for smooth navigation and the use of complex applications. Furthermore, its battery life is surprisingly good for a Wear OS device, lasting up to five days with typical use, while its premium finish and durability certifications make it a robust, elegant option ready for workouts.
Specification table:
| Feature | Details |
|---|---|
| Córdoba | Watch X2 |
| Brand | OPPO |
| Operational system | ColorOS Watch 7.0 + Wear OS 5.0 |
| Fabric | LTPO AMOLED |
| size and resolution | 1.50″ — 466 × 466 px; density ~310 ppi; standard brightness 600 nits / high-brightness mode up to 1000 nits / peak 2200 nits (in outdoor training mode) |
| Storage | 32 GB ROM + 2 GB RAM |
| Processor | Qualcomm Snapdragon W5 Gen 1 (4 nm) + coprocessor |
| battery life | Typical battery: 648 mAh; ~120 hours (~5 days) in standard use; up to 16 days in power saving mode; ~72 hours in intensive use. Fast-charge: 10-minute charge provides ~1 day of use. |
| Connectivity | Wi-Fi (dual-band), Bluetooth 5.2, NFC, GNSS (GPS + others), compatible with Bluetooth calls, etc. |
| Sensors | Accelerometer, gyroscope, barometer, compass, optical heart rate sensor, blood oxygen sensor (SpO₂), ECG, pulse temperature sensor, ambient light sensor, etc. |
| Water resistance / durability | 5 ATM + IP68 + MIL-STD-810H certification |
| Resources | Wear OS with comprehensive apps, health monitoring (ECG, heart rate, SpO₂, etc.), sports/workouts, calls, notifications, NFC (payments), GPS, long battery life, bright and adaptive screen, fitness modes, etc. |
| Price | R$176,46 |
Garmin
A Garmin It is the absolute benchmark for those who take physical activity seriously. Its smartwatches are known for their GPS accuracy, durability, and ability to record advanced training metrics, ideal for runners, cyclists, and adventurers.
Garmin Forerunner 55 – GPS – 42mm – R$1.899,00

O Garmin Forerunner 55 It's the perfect entry point for anyone who wants to start running with serious support and reliable data. Lightweight, durable, and totally focused on training, it offers accurate GPS, solid pace and distance metrics, and a battery life that lasts for weeks away from the charger. Its MIP screen ensures excellent visibility in bright sunlight, making it ideal for outdoor training. Although simple compared to the brand's advanced models, it delivers exactly what a beginner runner needs: safe guidance, consistent records, and a system designed to improve run after run.
Specification table:
| Feature | Details |
|---|---|
| Córdoba | Garmin Forerunner 55 |
| Brand | Garmin |
| Operational system | Garmin proprietary system — compatible with Android and iOS via the Garmin Connect app. |
| Fabric | LCD / MIP (not AMOLED) — more economical and readable in direct sunlight. |
| size and resolution | 1,04″ — 208 × 208 px |
| Storage | Limited internal storage, focused on training data, with 32 MB of memory. |
| Processor | This information is not public. |
| battery life | Up to ~2 weeks (normal use), ~20 hours with GPS enabled. |
| Connectivity | Integrated GPS, Bluetooth, ANT+ (depending on the version) |
| Sensors | Accelerometer, heart rate (wrist) sensor, pedometer, sleep monitoring, basic activity tracking (running, walking, cycling, etc.) |
| Water resistance | 5 ATM — suitable for sweat, rain, light swimming, or showering. |
| Resources | Monitoring of running/walking/cycling/swimming, pace data, distance, training history, mobile notifications, basic health and sleep tracking. Simple and efficient for beginners. |
| Price | R$1.899,00 |
Garmin Forerunner 265 running smartwatch – starting at R$3.389,99

O Garmin Forerunner 265 It elevates the experience for runners seeking constant performance improvement. With a vibrant AMOLED screen, more advanced sensors, and multi-band GNSS support, it delivers superior tracking precision and detailed performance data. Furthermore, it offers metrics such as readiness, recovery, morning report, and offline music support—all while maintaining the durability and energy efficiency characteristic of Garmin. It's a watch that speaks to both serious runners and amateur athletes who want to train with professional information.
Specification table:
| Feature | Details |
|---|---|
| Córdoba | Garmin Forerunner 265 |
| Brand | Garmin |
| Operational system | Garmin proprietary system — compatible with Android and iOS (via the Garmin Connect app) |
| Fabric | AMOLED touch + physical buttons |
| size and resolution | 1,3″ — 416 × 416 px |
| Storage | 8 GB (for music/podcasts) |
| Processor | Information not publicly disclosed. |
| battery life | Up to 13 days in smartwatch mode; up to ~20 hours with GPS active. With music + GPS: approximately 6-7 hours. |
| Connectivity | Bluetooth, Wi-Fi, ANT+, GNSS (GPS/GLONASS/Galileo/Multiband GPS / SatIQ) |
| Sensors | Heart rate (pulse), blood oxygen sensor (SpO₂), accelerometer, gyroscope, barometric altimeter, compass, ambient light sensor, thermometer, sleep monitoring, stress monitoring, etc. |
| Water resistance | 5 ATM (suitable for swimming, rain, and sweating) |
| Resources | Advanced running metrics (performance statistics, weather forecast, readiness, morning reports), offline music, smartphone notifications, health and training monitoring, compatible with Garmin Connect. |
| Price | Starting at $ 3.389,99 |
Amazfit
A Amazfit This company delivers smartwatches that strike a good balance between price, design, and health features, appealing to those seeking a complete device without entering the higher price ranges. They are usually recognized for their long-lasting batteries, good screen quality, and monitoring algorithms developed by the brand itself. The differences between models stand out in the type of construction, the available sensors, the GPS accuracy, and the set of sports functions.
Amazfit Bip 6 – 46mm – AMOLED 1,97″ – GPS – R$585,00
O Amazfit Bip 6 This smartwatch boasts a large screen, long battery life, and a comprehensive feature set at an affordable price. With a nearly 2″ AMOLED panel, strong brightness, and integrated GPS compatible with multiple satellites, it's ideal for outdoor workouts and daily tracking. The Zepp OS provides fluidity, useful widgets, and health data monitoring such as heart rate, SpO₂, stress, and sleep.
Specification table:
| Feature | Details |
|---|---|
| Córdoba | Amazfit Bip 6 |
| Brand | Amazfit |
| Operational system | Zepp OS (Amazfit's own operating system), compatible with Android and iOS via the Zepp app. |
| Fabric | AMOLED touchscreen |
| size and resolution | 1,97″ — 390 × 450 px; brightness up to ~2000 nits |
| Storage | 512 MB of internal storage for apps, offline maps, and music. |
| Processor | Non-public information |
| battery life | Up to ~14 days of typical use; up to ~26 days in economy mode; continuous GPS use ~32 hours. |
| Connectivity | Bluetooth 5.2, integrated GPS (5 satellite systems) |
| Sensors | Optical heart rate sensor (BioTracker PPG), SpO₂, accelerometer, gyroscope, ambient light sensor, geomagnetic sensor (compass) |
| Water resistance | 5 ATM — resistant to water, rain, or light swimming. |
| Resources | Heart rate, SpO₂, sleep, and stress monitoring; over 140 sports modes; GPS for running/walking/cycling; notifications; music control; Bluetooth calling (when paired with a mobile phone). |
| Price | R$585,00 |
Amazfit GTR 4 Smartwatch – R$1.099,00
O Amazfit GTR 4 It combines premium visuals with robust performance and a total focus on sports. Its high-resolution AMOLED screen, multi-band GPS, and state-of-the-art sensors ensure more accurate metrics, while Zepp OS offers apps, smart features, and good integration with your phone. Battery life is another highlight, easily reaching days (or even weeks) of use.
Specification table:
| Feature | Details |
|---|---|
| Córdoba | Amazfit GTR 4 |
| Brand | Amazfit |
| Operational system | Zepp OS 2.0 — compatible with Android (7.0+) and iOS (12.0+) |
| Fabric | AMOLED touchscreen › 1,43″ |
| size and resolution | 1,43″ — 466 × 466 px, density ~326 ppi |
| Storage | ~3 GB internal storage — enough for music and health/training data. |
| Processor | Non-public information |
| battery life | Up to ~7 days of typical use; ~25 hours with GPS; power saving mode offers ~576 hours (~24 days) according to the manufacturer. |
| Connectivity | Bluetooth 5.0, integrated GPS (supports multiple satellite systems), 2.4GHz Wi-Fi |
| Sensors | Optical heart rate sensor (BioTracker 4.0), SpO₂, accelerometer, gyroscope, barometer, compass, ambient light sensor, sleep tracking, step counter, calorie counter, etc. |
| Water resistance | 5 ATM — suitable for light swimming, sweat, and rain. |
| Resources | Health monitoring (heart rate, SpO₂, sleep, stress), over 150 sports modes, GPS for running/walking/cycling, music storage, Bluetooth calls (microphone/speaker), Alexa integration (voice), notifications, watch face customization, battery saving mode. |
| Price | R$1.099,00 |
Now, we of the showmetech We want to know: what's your favorite smartwatch model? Tell us in the comments below!
See also:
Source: CNET.
reviewed by Luis Antonio Costa in 09 / 12 / 2025
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