Detailed comparison and review of Apple Watch Series 4 (GPS + Cellular) and Apple Watch Series 6 (GPS + Cellular). 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) | Apple Watch Series 6 (GPS + Cellular) |
|---|
| Product Type | Smart watch | Smart watch |
|---|---|---|
| Operating System | WatchOS 5 | WatchOS 7 |
| Supported Host Device OS | iOS | iOS 14 or later |
| Wearing Style | Watch style | Watch style |
| Audio Input | Microphone | Microphone |
| Audio Output | Speaker | Speaker |
| Width | 34 mm | - |
| Height | 40 mm | - |
| Depth | 10.7 mm | - |
| Weight | 39.8 g | - |
| Body Details | - | Case only: 39.7 g |
| Body Material | Stainless steel | Stainless steel |
| Protection | Waterproof | Water-resistant |
| Clock Display | Yes | Yes |
| FEATURES | Apple Watch Series 4 (GPS + Cellular) | Apple Watch Series 6 (GPS + Cellular) |
|---|
| Sensors | Accelerometer, ambient light sensor, gyro sensor, barometric altimeter, optical heart sensor, electrical heart sensor | Accelerometer, ambient light sensor, digital compass, gyro sensor, barometric altimeter, optical heart sensor, electrical heart sensor, blood oxygen sensor |
|---|---|---|
| Tracking Data | Distance, time, calories burned, activity, heart rate, steps taken, UV index, Air Quality index | Distance, time, calories burned, activity, sleep activity, heart rate, blood oxygen saturation, ECG |
| 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 | Music remote handling, ECG accurate heart rate, camera remote control, Retina Display technology, Fall detection, Emergency SOS, irregular beat alerts, Family Setup support |
| Notifications | Calendar, SMS, Email | Calendar |
| Vibrating Alert | Yes | Yes |
| Feedback Type | Audio alert, vibration alert, visual interface | Audio alert, vibration alert, visual interface |
| Navigation (GPS) | GPS/GLONASS/Galileo/QZSS receiver | GPS/GNSS receiver |
| Payment Technology | Apple Pay | Apple Pay |
| Internet of Things (IoT) Compatible | - | Yes |
| IoT Intelligent Assistant | Siri | Siri |
| IoT Voice Controlled | - | Direct |
| CELLULAR | Apple Watch Series 4 (GPS + Cellular) | Apple Watch Series 6 (GPS + Cellular) |
|---|
| Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) |
|---|---|---|
| Mobile Broadband Generation | 4G | 4G |
| SIM Card Type | Electronic SIM card (e-SIM) | Electronic SIM card (e-SIM) |
| Messaging Services | SMS | - |
| Supported Mobile Messaging Services | SMS | - |
| CONNECTIVITY | Apple Watch Series 4 (GPS + Cellular) | Apple Watch Series 6 (GPS + Cellular) |
|---|
| Wireless Interface | IEEE 802.11b/g/n, Bluetooth 5.0 | IEEE 802.11b/g/n, Bluetooth 5.0 |
|---|
| DISPLAY | Apple Watch Series 4 (GPS + Cellular) | Apple Watch Series 6 (GPS + Cellular) |
|---|
| Type | LTPO OLED - colour | LTPO OLED - colour |
|---|---|---|
| Resolution | 324 x 394 pixels | 324 x 394 pixels |
| Screen Size | 1.57" | - |
| Screen Protection | Sapphire glass | Sapphire glass |
| Always On Display (AOD) | - | Yes |
| INPUT DEVICE | Apple Watch Series 4 (GPS + Cellular) | Apple Watch Series 6 (GPS + Cellular) |
|---|
| Type | Touch sensitive screen (Force Touch) | Touch sensitive screen |
|---|
| CASE | Apple Watch Series 4 (GPS + Cellular) | Apple Watch Series 6 (GPS + Cellular) |
|---|
| Case Size | 40 mm | 40 mm |
|---|---|---|
| Case Shape | Rectangular | Rectangular |
| Case Back | Sapphire crystal and ceramic back | Sapphire crystal and ceramic back |
| Case Details | Stainless steel | Space grey aluminium | Space black stainless steel | Silver aluminium | Gold aluminium | Gold stainless steel | Gold stainless steel | Blue aluminium | Silver stainless steel | Graphite stainless steel | Gold aluminium | Space grey aluminium | Red aluminium | Silver aluminium |
| Crown Type | Digital with haptic feedback | Digital with haptic feedback |
| BAND | Apple Watch Series 4 (GPS + Cellular) | Apple Watch Series 6 (GPS + Cellular) |
|---|
| Band Type | Milanese loop | Sport band |
|---|---|---|
| Band Size | - | S/M/L |
| Fits Wrist with Circumference | 130-180 mm | 130-200 mm |
| Changeable | - | Yes |
| Clasp Type | Magnetic closure | Pin-and-tuck |
| Band Material | Steel mesh | Fluoroelastomer |
| Band Colour | White | Black | Pink sand | Space black | Gold | Seashell | Stone | Deep navy | White | Black | Pink sand | Cyprus green | Red | Black Unity | Silver | Graphite | Gold | Garnet |
| STORAGE | Apple Watch Series 4 (GPS + Cellular) | Apple Watch Series 6 (GPS + Cellular) |
|---|
| Storage Capacity | 16 GB | 32 GB |
|---|
| CPU | Apple Watch Series 4 (GPS + Cellular) | Apple Watch Series 6 (GPS + Cellular) |
|---|
| Manufacturer | Apple | Apple |
|---|---|---|
| CPU Type | S4 | S6 |
| Features | W3 Apple wireless chip | W3 Apple wireless chip, U1 chip |
| BATTERY | Apple Watch Series 4 (GPS + Cellular) | Apple Watch Series 6 (GPS + Cellular) |
|---|
| Technology | Lithium Ion | Lithium Ion |
|---|---|---|
| Battery Life | 18 hours | 18 hours |
| Rechargeable Battery | Yes | Yes |
| Wireless Charging | Yes | Yes |
| MISCELLANEOUS | Apple Watch Series 4 (GPS + Cellular) | Apple Watch Series 6 (GPS + Cellular) |
|---|
| Included Accessories | Power adapter, magnetic charging cable | Magnetic charging cable |
|---|---|---|
| Preloaded Software | Apple Pay | Apple Pay, GymKit |
| SAR Value | 0.27 W/kg (head), 0.26 W/kg (limb) | 0.29 W/kg (head), 0.31 W/kg (limb) |
| Max Depth of Water Resistance | 50 m | 50 m |
| Manufacturer Model Number | - | A2375 |
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