In depth comparison and review of Polar Grit X and Amazfit GTR 2. 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 2 |
|---|
| Product Type | Sport watch | Smart watch |
|---|---|---|
| Supported Host Device OS | iOS, Android | iOS 10 or later, Android 5.0 (Lollipop) or later |
| Activity/Sport | Multisport | - |
| Wearing Style | Watch style | Watch style |
| Audio Input | - | Microphone |
| Body Details | With band: 64 g Case only: 44 g |
Case only: 39 g |
| Body Material | Stainless steel | Stainless steel |
| Protection | Waterproof | Water-resistant |
| Clock Display | Yes | Yes |
| FEATURES | Polar Grit X | Amazfit GTR 2 |
|---|
| Sensors | Digital compass, barometer, altimeter, heart rate | Accelerometer, ambient light sensor, gyro sensor, SpO2 sensor, 3-axis magnetometer, BioTracker 2 PPG biological tracking optical 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, REM phases |
| 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 | Making a call, store & play music, huami-PAI Health Assessment System |
| Notifications | SMS, Email, incoming calls | SMS, Email, social apps, incoming calls |
| Vibrating Alert | Yes | Yes |
| Feedback Type | Vibration alert, visual interface | Vibration alert, visual interface |
| Navigation (GPS) | GPS/GLONASS/Galileo/QZSS receiver | GPS receiver |
| Internet of Things (IoT) Compatible | - | Yes |
| IoT Intelligent Assistant | - | Alexa |
| CONNECTIVITY | Polar Grit X | Amazfit GTR 2 |
|---|
| Wireless Interface | Bluetooth | Wi-Fi, Bluetooth 5.0 |
|---|
| DISPLAY | Polar Grit X | Amazfit GTR 2 |
|---|
| Type | Colour | AMOLED - colour |
|---|---|---|
| Resolution | 240 x 240 pixels | 454 x 454 pixels |
| Screen Size | 1.2" | 1.39" |
| Pixel Density | - | 326 ppi |
| Screen Protection | Corning Gorilla Glass (scratch resistant glass) | Tempered glass |
| Always On Display (AOD) | Yes | Yes |
| INPUT DEVICE | Polar Grit X | Amazfit GTR 2 |
|---|
| Type | Touch sensitive screen | Touch sensitive screen |
|---|
| CASE | Polar Grit X | Amazfit GTR 2 |
|---|
| Crystal Type | Laminated Corning Gorilla Glass | - |
|---|---|---|
| Case Shape | Round | Round |
| Bezel | Stainless steel | - |
| Case Details | White/silver | Black DLC | Silver | - |
| BAND | Polar Grit X | Amazfit GTR 2 |
|---|
| Band Type | Band | Strap |
|---|---|---|
| Band Size | S | - |
| Band Width | 22 mm | 22 mm |
| Fits Wrist with Circumference | 130-190 mm | - |
| Changeable | Yes | Yes |
| Clasp Type | Buckle | Pin buckle |
| Band Material | Silicone | Leather |
| Band Colour | White | Black | Green | Obsidian black |
| STORAGE | Polar Grit X | Amazfit GTR 2 |
|---|
| User Memory | - | 3 GB |
|---|
| BATTERY | Polar Grit X | Amazfit GTR 2 |
|---|
| Technology | Lithium polymer | - |
|---|---|---|
| Capacity | 346 mAh | 471 mAh |
| Battery Life | 7 day(s) | - |
| Battery Life Details | Watch mode - up to 7 days Training mode - up to 40 hour(s) |
Typical usage - up to 14 days Basic mode - up to 38 days GPS mode - up to 48 hour(s) Talk time - up to 10 hour(s) |
| Rechargeable Battery | Yes | Yes |
| Recharge Time | - | 2.5 hour(s) |
| MISCELLANEOUS | Polar Grit X | Amazfit GTR 2 |
|---|
| Included Accessories | USB charging cable | Magnetic charging dock |
|---|---|---|
| Preloaded Software | - | Amazon Alexa |
| 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 | - |
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