In depth comparison and review of Apple Watch Nike+ Series 4 (GPS + Cellular) 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 | Apple Watch Nike+ Series 4 (GPS + Cellular) | Polar Grit X |
|---|
| Product Type | Smart watch | Sport watch |
|---|---|---|
| Operating System | WatchOS 5 | - |
| Supported Host Device OS | iOS 12 or later | iOS, Android |
| Activity/Sport | - | Multisport |
| Wearing Style | Watch style | Watch style |
| Audio Input | Microphone | - |
| Audio Output | Speaker | - |
| Width | 34 mm | - |
| Height | 40 mm | - |
| Depth | 10.7 mm | - |
| Weight | 30.1 g | - |
| Body Details | - | With band: 64 g Case only: 44 g |
| Body Material | Anodised aluminium | Stainless steel |
| Protection | Water-resistant | Waterproof |
| Clock Display | Yes | Yes |
| FEATURES | Apple Watch Nike+ Series 4 (GPS + Cellular) | Polar Grit X |
|---|
| Sensors | Accelerometer, ambient light sensor, gyro sensor, barometric altimeter, optical heart sensor, electrical heart sensor | Digital compass, barometer, altimeter, heart rate |
|---|---|---|
| Tracking Data | Distance, time, calories burned, activity, heart rate, steps taken, UV index, Air Quality index | Distance, speed, calories burned, activity, heart rate, steps taken, pace, sleep stages, cadence, running power, swimming metrics, running index |
| Goal Setting | Yes | Yes |
| Features | Music remote handling, ECG accurate heart rate, listening to music, Retina Display technology, call alerts, automatic exercise recognition, Fall detection, Emergency SOS | 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 | Calendar, SMS, Email | SMS, Email, incoming calls |
| Vibrating Alert | Yes | Yes |
| Feedback Type | Audio alert, vibration alert, visual interface | Vibration alert, visual interface |
| Navigation (GPS) | GPS/GLONASS/Galileo/QZSS receiver | GPS/GLONASS/Galileo/QZSS receiver |
| Payment Technology | Apple Pay | - |
| IoT Intelligent Assistant | Siri | - |
| CELLULAR | Apple Watch Nike+ Series 4 (GPS + Cellular) | Polar Grit X |
|---|
| Technology | WCDMA (UMTS) | - |
|---|---|---|
| Mobile Broadband Generation | 4G | - |
| SIM Card Type | Electronic SIM card (e-SIM) | - |
| Messaging Services | SMS | - |
| Supported Mobile Messaging Services | SMS | - |
| CONNECTIVITY | Apple Watch Nike+ Series 4 (GPS + Cellular) | Polar Grit X |
|---|
| Wireless Interface | IEEE 802.11b/g/n, Bluetooth 5.0 | Bluetooth |
|---|
| DISPLAY | Apple Watch Nike+ Series 4 (GPS + Cellular) | Polar Grit X |
|---|
| Type | LTPO OLED - colour | Colour |
|---|---|---|
| Resolution | 324 x 394 pixels | 240 x 240 pixels |
| Screen Size | - | 1.2" |
| Screen Protection | Ion-X glass | Corning Gorilla Glass (scratch resistant glass) |
| Always On Display (AOD) | - | Yes |
| INPUT DEVICE | Apple Watch Nike+ Series 4 (GPS + Cellular) | Polar Grit X |
|---|
| Type | Touch sensitive screen (Force Touch) | Touch sensitive screen |
|---|
| CASE | Apple Watch Nike+ Series 4 (GPS + Cellular) | Polar Grit X |
|---|
| Case Size | 40 mm | - |
|---|---|---|
| Crystal Type | - | Laminated Corning Gorilla Glass |
| Case Shape | - | Round |
| Bezel | - | Stainless steel |
| Case Back | All ceramic and sapphire crystal back | - |
| Case Details | Space grey aluminium | Silver aluminium | White/silver | Black DLC | Silver |
| Crown Type | Digital with haptic feedback | - |
| BAND | Apple Watch Nike+ Series 4 (GPS + Cellular) | Polar Grit X |
|---|
| Band Type | Nike sport band | Band |
|---|---|---|
| Band Size | - | S |
| Band Width | - | 22 mm |
| Fits Wrist with Circumference | 130-200 mm | 130-190 mm |
| Changeable | - | Yes |
| Clasp Type | Pin-and-tuck | Buckle |
| Band Material | Fluoroelastomer | Silicone |
| Band Colour | Pure platinum/black | Summit white | Anthracite/black | Black | White | Black | Green |
| STORAGE | Apple Watch Nike+ Series 4 (GPS + Cellular) | Polar Grit X |
|---|
| Storage Capacity | 16 GB | - |
|---|
| CPU | Apple Watch Nike+ Series 4 (GPS + Cellular) | Polar Grit X |
|---|
| Manufacturer | Apple | - |
|---|---|---|
| CPU Type | S4 | - |
| Features | W3 Apple wireless chip | - |
| BATTERY | Apple Watch Nike+ Series 4 (GPS + Cellular) | Polar Grit X |
|---|
| Technology | Lithium Ion | Lithium polymer |
|---|---|---|
| Capacity | - | 346 mAh |
| Battery Life | 18 hours | 7 day(s) |
| Battery Life Details | - | Watch mode - up to 7 days Training mode - up to 40 hour(s) |
| Rechargeable Battery | Yes | Yes |
| Wireless Charging | Yes | - |
| MISCELLANEOUS | Apple Watch Nike+ Series 4 (GPS + Cellular) | Polar Grit X |
|---|
| Included Accessories | Power adapter, magnetic charging cable | USB charging cable |
|---|---|---|
| Preloaded Software | Apple Pay, Nike+ Run Club, GymKit | - |
| Compliant Standards | - | MIL-STD 810G |
| SAR Value | 0.27 W/kg (head), 0.26 W/kg (limb) | - |
| 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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