In depth comparison and review of Amazfit Stratos 2S and Polar Grit X. 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 | Amazfit Stratos 2S | Polar Grit X |
|---|
| Product Type | Smart watch | Sport watch |
|---|---|---|
| Supported Host Device OS | Android 4.4 (KitKat) or later, iOS 9 or later | iOS, Android |
| Activity/Sport | - | Multisport |
| Wearing Style | Watch style | Watch style |
| Body Details | - | With band: 64 g Case only: 44 g |
| Body Material | - | Stainless steel |
| Protection | Dustproof, waterproof | Waterproof |
| Clock Display | Yes | Yes |
| FEATURES | Amazfit Stratos 2S | Polar Grit X |
|---|
| Sensors | Ambient light sensor, gyro sensor, heart rate, geomagnetic sensor, 3-axis accelerometer | Digital compass, barometer, altimeter, heart rate |
|---|---|---|
| Tracking Data | Distance, time, speed, calories burned, sleep activity, heart rate, pace, cadence, oxygen level | Distance, speed, calories burned, activity, heart rate, steps taken, pace, sleep stages, cadence, running power, swimming metrics, running index |
| Goal Setting | - | Yes |
| Features | Listening to music, idle alert | 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 |
| Notifications | Missed calls, SMS, Email, social apps, incoming calls | SMS, Email, incoming calls |
| Vibrating Alert | Yes | Yes |
| Feedback Type | - | Vibration alert, visual interface |
| Navigation (GPS) | - | GPS/GLONASS/Galileo/QZSS receiver |
| CONNECTIVITY | Amazfit Stratos 2S | Polar Grit X |
|---|
| Wireless Interface | IEEE 802.11b/g/n, Bluetooth 4.0 | Bluetooth |
|---|
| DISPLAY | Amazfit Stratos 2S | Polar Grit X |
|---|
| Type | LCD - colour - transflective | Colour |
|---|---|---|
| Resolution | 320 x 300 pixels | 240 x 240 pixels |
| Screen Size | 1.34" | 1.2" |
| Screen Protection | Dinorex Glass (scratch resistant glass) | Corning Gorilla Glass (scratch resistant glass) |
| Always On Display (AOD) | - | Yes |
| INPUT DEVICE | Amazfit Stratos 2S | Polar Grit X |
|---|
| Type | Touch sensitive screen | Touch sensitive screen |
|---|
| CASE | Amazfit Stratos 2S | Polar Grit X |
|---|
| Crystal Type | - | Laminated Corning Gorilla Glass |
|---|---|---|
| Case Shape | Round | Round |
| Bezel | Ceramic black | Stainless steel |
| Case Details | Carbon fibre | White/silver | Black DLC | Silver |
| BAND | Amazfit Stratos 2S | Polar Grit X |
|---|
| Band Type | Band | Band |
|---|---|---|
| Band Size | - | S |
| Band Width | 22 mm | 22 mm |
| Fits Wrist with Circumference | - | 130-190 mm |
| Changeable | Yes | Yes |
| Clasp Type | Buckle | Buckle |
| Band Material | Leather | Silicone |
| Band Colour | Black | White | Black | Green |
| STORAGE | Amazfit Stratos 2S | Polar Grit X |
|---|
| Storage Capacity | 4 GB | - |
|---|---|---|
| User Memory | 2 GB | - |
| RAM | Amazfit Stratos 2S | Polar Grit X |
|---|
| RAM Size | 512 MB | - |
|---|
| CPU | Amazfit Stratos 2S | Polar Grit X |
|---|
| Clock Speed | 1.2 GHz | - |
|---|
| BATTERY | Amazfit Stratos 2S | Polar Grit X |
|---|
| Technology | - | Lithium polymer |
|---|---|---|
| Capacity | 290 mAh | 346 mAh |
| Battery Life | - | 7 day(s) |
| Battery Life Details | - | Watch mode - up to 7 days Training mode - up to 40 hour(s) |
| Standby Time | 5 days | - |
| Rechargeable Battery | - | Yes |
| MISCELLANEOUS | Amazfit Stratos 2S | Polar Grit X |
|---|
| Included Accessories | - | USB charging cable |
|---|---|---|
| Compliant Standards | - | MIL-STD 810G |
| Max Depth of Water Resistance | 50 m | 100 m |
| Max Operating Temperature | - | 50 °C |
| Min Operating Temperature | - | -20 °C |
| Warranty | - | 2-year warranty |
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