Compare Apple Watch Series 4 40mm
No longer available
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 |  | New   £ 228,32 1 colour |  £ 368,09 3 colours | New   £ 742,58 2 colours | Add smartwatch to the comparison |
|---|---|---|---|---|---|
| Dimensions: | 40 x 34 x 10,7 mm | 46 x 46 x 10,6 mm | 42 x 42,5 x 10,5 mm | 47,8 x 47,8 x 12,9 mm | |
| Weight: | 30,1 gr | 35 gr | 51 gr | 80,5 gr | |
| Stand-by time: | 0,8 day(s) | dependent on usage | dependent on usage | dependent on usage | |
| Call time: | dependent on usage | dependent on usage | dependent on usage | dependent on usage | |
| Announced: | 12 september 2018 | 1 september 2023 | 16 may 2025 | 19 september 2025 | |
Design type | |||||
| Watch: | |||||
Controls | |||||
| Touchscreen: | Capacitive | Capacitive | Capacitive | Capacitive | |
| Voice command: | |||||
| Directional key: | |||||
| Swivel crown: | |||||
Operating system | |||||
| watchOS: | 4.0 | ||||
Display | |||||
| Colour display: | Adjustable display brightness, 16.777.216 colours (24 bits), OLED | Adjustable display brightness, AMOLED, Always On feature | Adjustable display brightness, AMOLED, Always On feature | AMOLED, Always On feature | |
| Resolution: | 272 x 340 pixels | 480 x 480 pixels | 466 x 466 pixels | 466 x 466 pixels | |
| Size: | 1.34 inch | 1.5 inch | 1.38 inch | 1.5 inch | |
| Aspect ratio: | 5:4 | 1:1 | 1:1 | 1:1 | |
| Pixels Per Inch (PPI): | 325 | 453 | 478 | 439 | |
| Screen-to-body ratio: | 41.6% | 34.3% | 34.4% | 31.8% | |
| Peak brightness: | 3000 nits | 3500 nits | |||
Hardware | |||||
| Processor: | Apple S4, Dual Core | Qualcomm Snapdragon Wear 2500, Quad Core | |||
| Clock Frequency: | 1.1 GHz | ||||
| Integrated antenna: | |||||
Materials | |||||
| Dirt and waterproof: | IPX7 | 5 ATM | IP69, 5 ATM | IP68/69, 20 ATM | |
| Aluminium: | |||||
| Glass: | |||||
| Ceramics: | |||||
| Stainless Steel: | |||||
| Titanium: | |||||
| Sapphire Crystal: | |||||
Telephony | |||||
| Integrated handsfree speaker: | |||||
| Vibrating alert: | |||||
| eSIM: | |||||
| Flight mode: | |||||
Personal Information | |||||
| Alarm clock: | |||||
| Date and time notation: | |||||
| Reminder list: | |||||
| Stopwatch & countdown timer: | |||||
| To-do list: | |||||
| Agenda: | |||||
| Calculator: | |||||
| Contact list: | |||||
Available applications | |||||
| Pedometer: | |||||
| Photo album: | |||||
| Calories: | |||||
| Sleep tracker: | |||||
Navigation | |||||
| Build-in navigation system: | Apple Maps | ||||
| GLONASS: | |||||
| GPS receiver: | |||||
| A-GPS: | |||||
| Digital Compass: | |||||
| Galileo: | |||||
| Beidou: | |||||
| Quasi-Zenith (QZSS): | |||||
Audio | |||||
| Built-in speakers: | |||||
| Microphone: | |||||
Build-in memory | |||||
| Internal memory: | |||||
| Size (RAM): | 512 MB | 512 MB | |||
| Storage: | 16 GB | 4 GB | |||
Connectivity | |||||
| Bluetooth: | v5.0 | v5.0 | v5.2 | v5.2 | |
| Synchronisation: | |||||
| Wireless Lan (WLAN/Wi-Fi): | Wi-Fi 4 (802.11n) | Wi-Fi 6 (802.11ax) | Wi-Fi 6 (802.11ax) | ||
| NFC: | |||||
Power supply | |||||
| Battery: | Li-ion | Li-ion | |||
| Capacity: | 273 mAh | 475 mAh | |||
| Wireless charging: | |||||
Sensors | |||||
| Ambient light sensor: | |||||
| Barometer: | |||||
| Gesture recognition: | |||||
| Gyroscope: | |||||
| Heart rate monitor: | |||||
| Altimeter: | |||||
| PPG: | |||||
| Thermometer: | |||||
| Depth sensor: | |||||
| ECG: | |||||
| Skin temperature sensor: | |||||
| Oxygen saturation (SpO2): | |||||
Compatibility | |||||
| With iOS: | 8.3+ | From 14.0 | From 13.0 | From 13.0 | |
| With Android: | From 7.0 | From 9.0 | From 9.0 | ||
| With Apple Health: | |||||
| With Google Fit: | |||||
Carrying method | |||||
| Strap: | Interchangeable | Interchangeable | |||
| Size: | 22 mm | ||||
| Wrist Size: | 140-210 mm + 140-215 mm | 120-190 mm | 140-210 mm | ||
Operating frequency | |||||
| Quad band: | |||||
Data network | |||||
| 4G (LTE): | |||||
Connections | |||||
| Pogo pin: | |||||
AI (Artificial intelligence) | |||||
| Amazon Alexa: | |||||
Personalisation | |||||
| Multiple homescreens: | |||||
Contents of the package | |||||
| Oplader: | |||||
| Quick start guide: | |||||
| Safety booklet: | |||||
| Warranty card: | |||||
| Wristband: | |||||
