In depth comparison and review of Apple Watch 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 Series 4 (GPS + Cellular) | Polar Grit X |
|---|
| Product Type | Smart watch | Sport watch |
|---|---|---|
| Operating System | WatchOS 5 | - |
| Supported Host Device OS | iOS | 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 | 39.8 g | - |
| Body Details | - | With band: 64 g Case only: 44 g |
| Body Material | Stainless steel | Stainless steel |
| Protection | Waterproof | Waterproof |
| Clock Display | Yes | Yes |
| FEATURES | Apple Watch 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 Series 4 (GPS + Cellular) | Polar Grit X |
|---|
| Technology | WCDMA (UMTS) / GSM | - |
|---|---|---|
| Mobile Broadband Generation | 4G | - |
| SIM Card Type | Electronic SIM card (e-SIM) | - |
| Messaging Services | SMS | - |
| Supported Mobile Messaging Services | SMS | - |
| CONNECTIVITY | Apple Watch Series 4 (GPS + Cellular) | Polar Grit X |
|---|
| Wireless Interface | IEEE 802.11b/g/n, Bluetooth 5.0 | Bluetooth |
|---|
| DISPLAY | Apple Watch Series 4 (GPS + Cellular) | Polar Grit X |
|---|
| Type | LTPO OLED - colour | Colour |
|---|---|---|
| Resolution | 324 x 394 pixels | 240 x 240 pixels |
| Screen Size | 1.57" | 1.2" |
| Screen Protection | Sapphire glass | Corning Gorilla Glass (scratch resistant glass) |
| Always On Display (AOD) | - | Yes |
| INPUT DEVICE | Apple Watch Series 4 (GPS + Cellular) | Polar Grit X |
|---|
| Type | Touch sensitive screen (Force Touch) | Touch sensitive screen |
|---|
| CASE | Apple Watch Series 4 (GPS + Cellular) | Polar Grit X |
|---|
| Case Size | 40 mm | - |
|---|---|---|
| Crystal Type | - | Laminated Corning Gorilla Glass |
| Case Shape | Rectangular | Round |
| Bezel | - | Stainless steel |
| Case Back | Sapphire crystal and ceramic back | - |
| Case Details | Stainless steel | Space grey aluminium | Space black stainless steel | Silver aluminium | Gold aluminium | Gold stainless steel | White/silver | Black DLC | Silver |
| Crown Type | Digital with haptic feedback | - |
| BAND | Apple Watch Series 4 (GPS + Cellular) | Polar Grit X |
|---|
| Band Type | Milanese loop | Band |
|---|---|---|
| Band Size | - | S |
| Band Width | - | 22 mm |
| Fits Wrist with Circumference | 130-180 mm | 130-190 mm |
| Changeable | - | Yes |
| Clasp Type | Magnetic closure | Buckle |
| Band Material | Steel mesh | Silicone |
| Band Colour | White | Black | Pink sand | Space black | Gold | Seashell | Stone | White | Black | Green |
| STORAGE | Apple Watch Series 4 (GPS + Cellular) | Polar Grit X |
|---|
| Storage Capacity | 16 GB | - |
|---|
| CPU | Apple Watch Series 4 (GPS + Cellular) | Polar Grit X |
|---|
| Manufacturer | Apple | - |
|---|---|---|
| CPU Type | S4 | - |
| Features | W3 Apple wireless chip | - |
| BATTERY | Apple Watch 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 Series 4 (GPS + Cellular) | Polar Grit X |
|---|
| Included Accessories | Power adapter, magnetic charging cable | USB charging cable |
|---|---|---|
| Preloaded Software | Apple Pay | - |
| 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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