In depth comparison and review of Polar Grit X and Xiaomi Redmi Watch 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 | Xiaomi Redmi Watch 3 |
|---|
| Product Type | Sport watch | Smart watch |
|---|---|---|
| Supported Host Device OS | iOS, Android | Android 6.0 (Marshmallow) or later, iOS 12 or later |
| Activity/Sport | Multisport | - |
| Wearing Style | Watch style | Watch style |
| Width | - | 36.56 mm |
| Height | - | 42.58 mm |
| Depth | - | 9.99 mm |
| Weight | - | 37 g |
| Body Details | With band: 64 g Case only: 44 g |
- |
| Body Material | Stainless steel | - |
| Protection | Waterproof | Water-resistant |
| Colours | - | Elegant black |
| Clock Display | Yes | Yes |
| FEATURES | Polar Grit X | Xiaomi Redmi Watch 3 |
|---|
| Sensors | Digital compass, barometer, altimeter, heart rate | Accelerometer, geomagnetic sensor, optical heart sensor, blood oxygen sensor, gyroscope |
|---|---|---|
| Tracking Data | Distance, speed, calories burned, activity, heart rate, steps taken, pace, sleep stages, cadence, running power, swimming metrics, running index | Distance, calories burned, activity, sleep activity, heart rate, steps taken, blood oxygen saturation, stress level, breath, blood pressure, menstrual cycle |
| Modes | - | 100+ Workout modes, do-not-disturb mode |
| 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 | Find phone function, answering a call, phone unlocking, automatic exercise recognition, SOS call, auto pause, music playback control, weather information, personalised Watch Faces, stopwatch timer, 10 preloaded running courses, brightness: 600 nits |
| Notifications | SMS, Email, incoming calls | SMS, Email, social apps, calls, sedentary |
| 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 |
| Payment Technology | - | Alipay |
| Internet of Things (IoT) Compatible | - | Yes |
| IoT Intelligent Assistant | - | Xiao Ai |
| CELLULAR | Polar Grit X | Xiaomi Redmi Watch 3 |
|---|
| Messaging Services | - |
|---|
| CONNECTIVITY | Polar Grit X | Xiaomi Redmi Watch 3 |
|---|
| Wireless Interface | Bluetooth | NFC, Bluetooth 5.2 |
|---|
| DISPLAY | Polar Grit X | Xiaomi Redmi Watch 3 |
|---|
| Type | Colour | AMOLED - colour |
|---|---|---|
| Resolution | 240 x 240 pixels | 390 x 450 pixels |
| Screen Size | 1.2" | 1.75" |
| Pixel Density | - | 341 ppi |
| Screen Protection | Corning Gorilla Glass (scratch resistant glass) | - |
| Always On Display (AOD) | Yes | Yes |
| INPUT DEVICE | Polar Grit X | Xiaomi Redmi Watch 3 |
|---|
| Type | Touch sensitive screen | Touch sensitive screen |
|---|
| CASE | Polar Grit X | Xiaomi Redmi Watch 3 |
|---|
| Case Size | - | 42 mm |
|---|---|---|
| Crystal Type | Laminated Corning Gorilla Glass | - |
| Case Shape | Round | - |
| Bezel | Stainless steel | - |
| Case Details | White/silver | Black DLC | Silver | - |
| BAND | Polar Grit X | Xiaomi Redmi Watch 3 |
|---|
| Band Type | Band | Strap |
|---|---|---|
| Band Size | S | - |
| Band Width | 22 mm | - |
| Fits Wrist with Circumference | 130-190 mm | 135-200 mm |
| Changeable | Yes | - |
| Clasp Type | Buckle | Pin buckle |
| Band Material | Silicone | - |
| Band Colour | White | Black | Green | - |
| BATTERY | Polar Grit X | Xiaomi Redmi Watch 3 |
|---|
| Technology | Lithium polymer | Lithium Ion |
|---|---|---|
| Capacity | 346 mAh | - |
| Battery Life | 7 day(s) | 12 day(s) |
| Battery Life Details | Watch mode - up to 7 days Training mode - up to 40 hour(s) |
Typical usage - up to 12 days Heavy usage - up to 7 days GPS + HR mode (Continuous reception) - up to 18 hour(s) |
| Rechargeable Battery | Yes | Yes |
| MISCELLANEOUS | Polar Grit X | Xiaomi Redmi Watch 3 |
|---|
| Included Accessories | USB charging cable | Magnetic charging cable |
|---|---|---|
| Compliant Standards | MIL-STD 810G | - |
| Max Depth of Water Resistance | 100 m | 50 m |
| Max Operating Temperature | 50 °C | - |
| Min Operating Temperature | -20 °C | - |
| Manufacturer Model Number | - | M2215W1 |
| Warranty | 2-year warranty | - |
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