In depth comparison and review of Polar Grit X and Amazfit GTR 3. Compare sizes, functions, displays, batteries and other important specifications and features to easily choose the right smartwatch for you. Our goal is to help you uncover differences between the products and find the watch that will best fit your needs.
| GENERAL | Polar Grit X | Amazfit GTR 3 |
|---|
| Product Type | Sport watch | Smart watch |
|---|---|---|
| Operating System | - | Zepp OS |
| Supported Host Device OS | iOS, Android | iOS 12 or later, Android 7.0 (Nougat) or later |
| Activity/Sport | Multisport | Multisport |
| Wearing Style | Watch style | Watch style |
| Audio Input | - | Microphone |
| Body Details | With band: 64 g Case only: 44 g |
Case only: 32 g |
| Body Material | Stainless steel | Aluminium alloy |
| Protection | Waterproof | Water-resistant |
| Clock Display | Yes | Yes |
| FEATURES | Polar Grit X | Amazfit GTR 3 |
|---|
| Sensors | Digital compass, barometer, altimeter, heart rate | Accelerometer, ambient light sensor, gyro sensor, geomagnetic sensor, barometric altimeter, temperature, BioTracker PPG 3.0 biometric sensor |
|---|---|---|
| Tracking Data | Distance, speed, calories burned, activity, heart rate, steps taken, pace, sleep stages, cadence, running power, swimming metrics, running index | Distance, calories burned, sleep activity, heart rate, steps taken, blood oxygen saturation, stress level |
| Goal Setting | Yes | Yes |
| Features | Fitness test, VO2 max, inactivity alert, alarm, Serene (breathing exercise), weather information, Nightly Recharge recovery measurement, FitSpark training guide, FuelWise smart fueling assistant, Hill Splitter, Route guidance, Route planning with Komoot, Energy sources | Camera remote control, find phone function, automatic exercise recognition, weather information, PAI Health Assessment System |
| Notifications | SMS, Email, incoming calls | Calendar |
| Vibrating Alert | Yes | Yes |
| Feedback Type | Vibration alert, visual interface | Vibration alert, visual interface |
| Navigation (GPS) | GPS/GLONASS/Galileo/QZSS receiver | GPS/GLONASS/Galileo/BeiDou/QZSS receiver |
| Internet of Things (IoT) Compatible | - | Yes |
| IoT Intelligent Assistant | - | Alexa |
| IoT Voice Controlled | - | Direct |
| CONNECTIVITY | Polar Grit X | Amazfit GTR 3 |
|---|
| Wireless Interface | Bluetooth | Bluetooth 5.1 |
|---|
| DISPLAY | Polar Grit X | Amazfit GTR 3 |
|---|
| Type | Colour | AMOLED - colour |
|---|---|---|
| Resolution | 240 x 240 pixels | 454 x 454 pixels |
| Screen Size | 1.2" | 1.39" |
| Aspect Ratio | - | Full circle |
| Pixel Density | - | 326 ppi |
| Screen Protection | Corning Gorilla Glass (scratch resistant glass) | Tempered glass |
| Always On Display (AOD) | Yes | - |
| INPUT DEVICE | Polar Grit X | Amazfit GTR 3 |
|---|
| Type | Touch sensitive screen | Touch sensitive screen, push button |
|---|
| CASE | Polar Grit X | Amazfit GTR 3 |
|---|
| Crystal Type | Laminated Corning Gorilla Glass | - |
|---|---|---|
| Case Shape | Round | Round |
| Bezel | Stainless steel | - |
| Case Details | White/silver | Black DLC | Silver | - |
| Crown Type | - | Classic crown |
| BAND | Polar Grit X | Amazfit GTR 3 |
|---|
| Band Type | Band | Strap |
|---|---|---|
| Band Size | S | - |
| Band Width | 22 mm | 22 mm |
| Fits Wrist with Circumference | 130-190 mm | 155-218 mm |
| Changeable | Yes | Yes |
| Clasp Type | Buckle | Buckle |
| Band Material | Silicone | Silicone |
| Band Colour | White | Black | Green | Moonlight grey | Thunder black |
| BATTERY | Polar Grit X | Amazfit GTR 3 |
|---|
| Technology | Lithium polymer | - |
|---|---|---|
| Capacity | 346 mAh | 450 mAh |
| Battery Life | 7 day(s) | - |
| Battery Life Details | Watch mode - up to 7 days Training mode - up to 40 hour(s) |
Battery safe mode - up to 35 days Heavy usage - up to 10 days Typical usage - up to 21 days GPS mode - up to 35 hour(s) |
| Rechargeable Battery | Yes | Yes |
| Recharge Time | - | 2 hour(s) |
| MISCELLANEOUS | Polar Grit X | Amazfit GTR 3 |
|---|
| Included Accessories | USB charging cable | Magnetic charging stand |
|---|---|---|
| Preloaded Software | - | Zepp App |
| Compliant Standards | MIL-STD 810G | - |
| Max Depth of Water Resistance | 100 m | 50 m |
| Max Operating Temperature | 50 °C | - |
| Min Operating Temperature | -20 °C | - |
| Warranty | 2-year warranty | 1-year warranty |
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