In depth comparison and review of Polar Grit X and Amazfit Bip U Pro. 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 Bip U Pro |
|---|
| Product Type | Sport watch | Smart watch |
|---|---|---|
| Operating System | - | RTOS |
| 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 |
| Width | - | 35.5 mm |
| Height | - | 40.9 mm |
| Depth | - | 11.4 mm |
| Weight | - | 31 g |
| Body Details | With band: 64 g Case only: 44 g |
- |
| Body Material | Stainless steel | Polycarbonate |
| Protection | Waterproof | Dustproof, waterproof |
| Clock Display | Yes | Yes |
| FEATURES | Polar Grit X | Amazfit Bip U Pro |
|---|
| Sensors | Digital compass, barometer, altimeter, heart rate | Accelerometer, gyro sensor, geomagnetic sensor, BioTracker 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, time, speed, calories burned, sleep activity, heart rate, blood oxygen saturation, stress level, menstrual cycle |
| 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 | Music remote handling, camera remote control, find phone function, breathing training function, GPS via mobile, PAI Health Assessment System |
| Notifications | SMS, Email, incoming calls | Missed calls, SMS, Email, social apps, incoming calls |
| Vibrating Alert | Yes | Yes |
| Feedback Type | Vibration alert, visual interface | - |
| Navigation (GPS) | GPS/GLONASS/Galileo/QZSS receiver | GPS receiver |
| IoT Intelligent Assistant | - | Alexa |
| IoT Voice Controlled | - | Direct |
| CONNECTIVITY | Polar Grit X | Amazfit Bip U Pro |
|---|
| Wireless Interface | Bluetooth | Bluetooth 5.0 BLE |
|---|
| DISPLAY | Polar Grit X | Amazfit Bip U Pro |
|---|
| Type | Colour | TFT - colour |
|---|---|---|
| Resolution | 240 x 240 pixels | 320 x 302 pixels |
| Screen Size | 1.2" | 1.43" |
| Screen Protection | Corning Gorilla Glass (scratch resistant glass) | 2.5D curved glass |
| Always On Display (AOD) | Yes | - |
| INPUT DEVICE | Polar Grit X | Amazfit Bip U Pro |
|---|
| Type | Touch sensitive screen | Touch sensitive screen |
|---|
| CASE | Polar Grit X | Amazfit Bip U Pro |
|---|
| Crystal Type | Laminated Corning Gorilla Glass | - |
|---|---|---|
| Case Shape | Round | Rectangular |
| Bezel | Stainless steel | - |
| Case Details | White/silver | Black DLC | Silver | Black | Green | Pink |
| BAND | Polar Grit X | Amazfit Bip U Pro |
|---|
| Band Type | Band | Strap |
|---|---|---|
| Band Size | S | - |
| Band Width | 22 mm | 20 mm |
| Fits Wrist with Circumference | 130-190 mm | - |
| Changeable | Yes | - |
| Clasp Type | Buckle | Buckle |
| Band Material | Silicone | Silicone rubber |
| Band Colour | White | Black | Green | Black | Green | Pink |
| BATTERY | Polar Grit X | Amazfit Bip U Pro |
|---|
| Technology | Lithium polymer | Lithium polymer |
|---|---|---|
| Capacity | 346 mAh | 230 mAh |
| Battery Life | 7 day(s) | 9 day(s) |
| Battery Life Details | Watch mode - up to 7 days Training mode - up to 40 hour(s) |
Daily mode - up to 9 days Heavy usage - up to 5 days |
| Rechargeable Battery | Yes | Yes |
| Recharge Time | - | 2 hour(s) |
| MISCELLANEOUS | Polar Grit X | Amazfit Bip U Pro |
|---|
| Included Accessories | USB charging cable | Charging clip |
|---|---|---|
| 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 | - |
| Manufacturer Model Number | - | A2008 |
| Warranty | 2-year warranty | 1-year warranty |
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