In depth comparison and review of Polar Grit X and Apple Watch Nike SE (GPS + Cellular). 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 | Apple Watch Nike SE (GPS + Cellular) |
|---|
| Product Type | Sport watch | Smart watch |
|---|---|---|
| Operating System | - | WatchOS 7 |
| Supported Host Device OS | iOS, Android | iOS 14 or later |
| Activity/Sport | Multisport | - |
| Wearing Style | Watch style | Watch style |
| Audio Input | - | Microphone |
| Audio Output | - | Speaker |
| Body Details | With band: 64 g Case only: 44 g |
Case only: 30.68 g |
| Body Material | Stainless steel | Aerospace-grade aluminium alloy |
| Protection | Waterproof | Water-resistant |
| Clock Display | Yes | Yes |
| FEATURES | Polar Grit X | Apple Watch Nike SE (GPS + Cellular) |
|---|
| Sensors | Digital compass, barometer, altimeter, heart rate | Accelerometer, ambient light sensor, digital compass, gyro sensor, barometric altimeter, optical heart sensor |
|---|---|---|
| Tracking Data | Distance, speed, calories burned, activity, heart rate, steps taken, pace, sleep stages, cadence, running power, swimming metrics, running index | Distance, time, calories burned, activity, sleep activity, heart rate |
| 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 | Call handling, music remote handling, camera remote control, Retina Display technology, Fall detection, Emergency SOS, irregular beat alerts, Family Setup support |
| Notifications | SMS, Email, incoming calls | Calendar, SMS, Email |
| Vibrating Alert | Yes | Yes |
| Feedback Type | Vibration alert, visual interface | Audio alert, vibration alert, visual interface |
| Navigation (GPS) | GPS/GLONASS/Galileo/QZSS receiver | GPS/GNSS receiver |
| Payment Technology | - | Apple Pay |
| Internet of Things (IoT) Compatible | - | Yes |
| IoT Intelligent Assistant | - | Siri |
| IoT Voice Controlled | - | Direct |
| CELLULAR | Polar Grit X | Apple Watch Nike SE (GPS + Cellular) |
|---|
| Technology | - | WCDMA (UMTS) |
|---|---|---|
| Mobile Broadband Generation | - | 4G |
| SIM Card Type | - | Electronic SIM card (e-SIM) |
| CONNECTIVITY | Polar Grit X | Apple Watch Nike SE (GPS + Cellular) |
|---|
| 3M UMTS Band | - | Band 1, Band 2, Band 5, Band 8, Band 10 |
|---|---|---|
| 4G LTE Band | - | Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 18, Band 19, Band 20, Band 25, Band 26, Band 28, Band 39, Band 40, Band 41, Band 66 |
| Wireless Interface | Bluetooth | IEEE 802.11b/g/n, Bluetooth 5.0 |
| DISPLAY | Polar Grit X | Apple Watch Nike SE (GPS + Cellular) |
|---|
| Type | Colour | LTPO OLED - colour |
|---|---|---|
| Resolution | 240 x 240 pixels | 324 x 394 pixels |
| Screen Size | 1.2" | - |
| Screen Protection | Corning Gorilla Glass (scratch resistant glass) | Ion-X glass |
| Always On Display (AOD) | Yes | - |
| INPUT DEVICE | Polar Grit X | Apple Watch Nike SE (GPS + Cellular) |
|---|
| Type | Touch sensitive screen | Touch sensitive screen |
|---|
| CASE | Polar Grit X | Apple Watch Nike SE (GPS + Cellular) |
|---|
| Case Size | - | 40 mm |
|---|---|---|
| Crystal Type | Laminated Corning Gorilla Glass | - |
| Case Shape | Round | Rectangular |
| Bezel | Stainless steel | - |
| Case Back | - | Sapphire crystal and ceramic back |
| Case Details | White/silver | Black DLC | Silver | Silver aluminium | Space grey aluminium |
| Crown Type | - | Digital with haptic feedback |
| BAND | Polar Grit X | Apple Watch Nike SE (GPS + Cellular) |
|---|
| Band Type | Band | Nike sport band |
|---|---|---|
| Band Size | S | S/M/L |
| Band Width | 22 mm | - |
| Fits Wrist with Circumference | 130-190 mm | 130-200 mm |
| Changeable | Yes | Yes |
| Clasp Type | Buckle | Pin-and-tuck |
| Band Material | Silicone | Fluoroelastomer |
| Band Colour | White | Black | Green | Pure platinum/black | Anthracite/black |
| STORAGE | Polar Grit X | Apple Watch Nike SE (GPS + Cellular) |
|---|
| Storage Capacity | - | 32 GB |
|---|
| CPU | Polar Grit X | Apple Watch Nike SE (GPS + Cellular) |
|---|
| Manufacturer | - | Apple |
|---|---|---|
| CPU Type | - | S5 SiP |
| Features | - | W3 Apple wireless chip |
| BATTERY | Polar Grit X | Apple Watch Nike SE (GPS + Cellular) |
|---|
| Technology | Lithium polymer | Lithium Ion |
|---|---|---|
| Capacity | 346 mAh | - |
| Battery Life | 7 day(s) | 18 hours |
| Battery Life Details | Watch mode - up to 7 days Training mode - up to 40 hour(s) |
- |
| Rechargeable Battery | Yes | Yes |
| Wireless Charging | - | Yes |
| MISCELLANEOUS | Polar Grit X | Apple Watch Nike SE (GPS + Cellular) |
|---|
| Included Accessories | USB charging cable | Magnetic charging cable |
|---|---|---|
| Preloaded Software | - | Apple Pay, GymKit |
| Compliant Standards | MIL-STD 810G | - |
| SAR Value | - | 0.18 W/kg (head), 0.92 W/kg (limb) |
| Max Depth of Water Resistance | 100 m | 50 m |
| Max Operating Temperature | 50 °C | - |
| Min Operating Temperature | -20 °C | - |
| Manufacturer Model Number | - | A2355 |
| Warranty | 2-year warranty | 1-year warranty |
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