Side by side comparison and review of Polar Unite and Amazfit GTR 2E. Compare design, displays, functions, batteries and other key specifications and features to simplify the choice of your perfect smartwatch. Our goal is to make it easier for you to decide on the watch that will best meet your expectations by revealing the main differences between the products.
| GENERAL | Polar Unite | Amazfit GTR 2E |
|---|
| Product Type | Sport watch | Smart watch |
|---|---|---|
| Supported Host Device OS | iOS, Android | iOS 10 or later, Android 5.0 (Lollipop) or later |
| Wearing Style | Watch style | Watch style |
| Audio Input | - | Microphone |
| Width | 43.4 mm | - |
| Height | 43.4 mm | - |
| Depth | 10.4 mm | - |
| Weight | 32 g | - |
| Body Details | - | Case only: 32 g |
| Body Material | Fibreglass reinforced polymer | Aluminium alloy |
| Protection | Water-resistant | Water-resistant |
| Clock Display | Yes | Yes |
| FEATURES | Polar Unite | Amazfit GTR 2E |
|---|
| Sensors | Accelerometer, ambient light sensor, optical heart sensor | Ambient light sensor, barometer, SpO2 sensor, 3-axis magnetometer, temperature, BioTracker 2 PPG biological tracking optical sensor |
|---|---|---|
| Tracking Data | Distance, calories burned, activity, sleep activity, heart rate, steps taken | Distance, calories burned, sleep activity, heart rate, steps taken, blood oxygen saturation, stress level, REM phases |
| Goal Setting | Yes | Yes |
| Features | Fitness test, Bluetooth Smart technology, inactivity alert, GPS via mobile, guided breathing session, Nightly Recharge recovery measurement, FitSpark training guide | Huami-PAI Health Assessment System |
| Notifications | Calendar, SMS, Email | SMS, Email, social apps, incoming calls |
| Vibrating Alert | Yes | Yes |
| Feedback Type | - | Vibration alert, visual interface |
| Navigation (GPS) | - | GPS/GLONASS receiver |
| CONNECTIVITY | Polar Unite | Amazfit GTR 2E |
|---|
| Wireless Interface | Bluetooth | Bluetooth 5.0 BLE |
|---|---|---|
| Connectors | USB | - |
| DISPLAY | Polar Unite | Amazfit GTR 2E |
|---|
| Type | IPS - colour | AMOLED - colour |
|---|---|---|
| Resolution | 240 x 204 pixels | 454 x 454 pixels |
| Screen Size | - | 1.39" |
| Pixel Density | - | 326 ppi |
| Screen Protection | - | Fingerprint-resistant coating, 2.5D tempered glass |
| Always On Display (AOD) | - | Yes |
| INPUT DEVICE | Polar Unite | Amazfit GTR 2E |
|---|
| Type | Touch sensitive screen | Touch sensitive screen |
|---|
| CASE | Polar Unite | Amazfit GTR 2E |
|---|
| Case Shape | Round | Round |
|---|---|---|
| Case Details | - | Obsidian black |
| BAND | Polar Unite | Amazfit GTR 2E |
|---|
| Band Type | Band | Strap |
|---|---|---|
| Band Size | S/L | - |
| Band Width | 20 mm | 22 mm |
| Fits Wrist with Circumference | 130-210 mm | - |
| Changeable | Yes | Yes |
| Clasp Type | Snap & slip | Buckle |
| Band Material | Silicone | Silicone |
| Band Colour | Black | Blue | Pink | White | Obsidian black | Matcha green | Slate grey |
| BATTERY | Polar Unite | Amazfit GTR 2E |
|---|
| Technology | Lithium polymer | - |
|---|---|---|
| Capacity | 174 mAh | 471 mAh |
| Battery Life Details | Watch mode + HR - up to 4 days Training mode + HR - up to 50 hour(s) |
Typical usage - up to 24 days Basic mode - up to 45 days Heavy usage - up to 12 days |
| Rechargeable Battery | Yes | Yes |
| MISCELLANEOUS | Polar Unite | Amazfit GTR 2E |
|---|
| Included Accessories | Charging/data cable | Magnetic charging dock |
|---|---|---|
| Preloaded Software | Polar Fitness Test, Polar Flow | - |
| Max Depth of Water Resistance | 30 m | 50 m |
| Max Operating Temperature | 50 °C | - |
| Min Operating Temperature | -10 °C | - |
| Manufacturer Model Number | - | A2023 |
| Warranty | 2-year warranty | - |
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