Detailed comparison and review of Apple Watch Series 4 (GPS + Cellular) and Polar Unite. With our comprehensive overview, you can simply compare size, design, functions, battery capacities, but also other key features of both smartwatches and easily decide which one is the right choice for you. Our goal is to help you identify the main differences between products and find the watch that best fits your needs and expectations.
| GENERAL | Apple Watch Series 4 (GPS + Cellular) | Polar Unite |
|---|
| Product Type | Smart watch | Sport watch |
|---|---|---|
| Operating System | WatchOS 5 | - |
| Supported Host Device OS | iOS | iOS, Android |
| Wearing Style | Watch style | Watch style |
| Audio Input | Microphone | - |
| Audio Output | Speaker | - |
| Width | 34 mm | 43.4 mm |
| Height | 40 mm | 43.4 mm |
| Depth | 10.7 mm | 10.4 mm |
| Weight | 39.8 g | 32 g |
| Body Material | Stainless steel | Fibreglass reinforced polymer |
| Protection | Waterproof | Water-resistant |
| Clock Display | Yes | Yes |
| FEATURES | Apple Watch Series 4 (GPS + Cellular) | Polar Unite |
|---|
| Sensors | Accelerometer, ambient light sensor, gyro sensor, barometric altimeter, optical heart sensor, electrical heart sensor | Accelerometer, ambient light sensor, optical heart sensor |
|---|---|---|
| Tracking Data | Distance, time, calories burned, activity, heart rate, steps taken, UV index, Air Quality index | Distance, calories burned, activity, sleep activity, heart rate, steps taken |
| 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, Bluetooth Smart technology, inactivity alert, GPS via mobile, guided breathing session, Nightly Recharge recovery measurement, FitSpark training guide |
| Notifications | Calendar, SMS, Email | Calendar, SMS, Email |
| Vibrating Alert | Yes | Yes |
| Feedback Type | Audio alert, vibration alert, visual interface | - |
| Navigation (GPS) | GPS/GLONASS/Galileo/QZSS receiver | - |
| Payment Technology | Apple Pay | - |
| IoT Intelligent Assistant | Siri | - |
| CELLULAR | Apple Watch Series 4 (GPS + Cellular) | Polar Unite |
|---|
| 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 Unite |
|---|
| Wireless Interface | IEEE 802.11b/g/n, Bluetooth 5.0 | Bluetooth |
|---|---|---|
| Connectors | - | USB |
| DISPLAY | Apple Watch Series 4 (GPS + Cellular) | Polar Unite |
|---|
| Type | LTPO OLED - colour | IPS - colour |
|---|---|---|
| Resolution | 324 x 394 pixels | 240 x 204 pixels |
| Screen Size | 1.57" | - |
| Screen Protection | Sapphire glass | - |
| INPUT DEVICE | Apple Watch Series 4 (GPS + Cellular) | Polar Unite |
|---|
| Type | Touch sensitive screen (Force Touch) | Touch sensitive screen |
|---|
| CASE | Apple Watch Series 4 (GPS + Cellular) | Polar Unite |
|---|
| Case Size | 40 mm | - |
|---|---|---|
| Case Shape | Rectangular | Round |
| 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 | - |
| Crown Type | Digital with haptic feedback | - |
| BAND | Apple Watch Series 4 (GPS + Cellular) | Polar Unite |
|---|
| Band Type | Milanese loop | Band |
|---|---|---|
| Band Size | - | S/L |
| Band Width | - | 20 mm |
| Fits Wrist with Circumference | 130-180 mm | 130-210 mm |
| Changeable | - | Yes |
| Clasp Type | Magnetic closure | Snap & slip |
| Band Material | Steel mesh | Silicone |
| Band Colour | White | Black | Pink sand | Space black | Gold | Seashell | Stone | Black | Blue | Pink | White |
| STORAGE | Apple Watch Series 4 (GPS + Cellular) | Polar Unite |
|---|
| Storage Capacity | 16 GB | - |
|---|
| CPU | Apple Watch Series 4 (GPS + Cellular) | Polar Unite |
|---|
| Manufacturer | Apple | - |
|---|---|---|
| CPU Type | S4 | - |
| Features | W3 Apple wireless chip | - |
| BATTERY | Apple Watch Series 4 (GPS + Cellular) | Polar Unite |
|---|
| Technology | Lithium Ion | Lithium polymer |
|---|---|---|
| Capacity | - | 174 mAh |
| Battery Life | 18 hours | - |
| Battery Life Details | - | Watch mode + HR - up to 4 days Training mode + HR - up to 50 hour(s) |
| Rechargeable Battery | Yes | Yes |
| Wireless Charging | Yes | - |
| MISCELLANEOUS | Apple Watch Series 4 (GPS + Cellular) | Polar Unite |
|---|
| Included Accessories | Power adapter, magnetic charging cable | Charging/data cable |
|---|---|---|
| Preloaded Software | Apple Pay | Polar Fitness Test, Polar Flow |
| SAR Value | 0.27 W/kg (head), 0.26 W/kg (limb) | - |
| Max Depth of Water Resistance | 50 m | 30 m |
| Max Operating Temperature | - | 50 °C |
| Min Operating Temperature | - | -10 °C |
| Warranty | - | 2-year warranty |
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