Compare Apple Watch Series 4 40mm
No longer available
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 |  |   £ 370,04 3 colours | New   £ 742,58 2 colours | -5%   £ 228,32 1 colour |  £ 368,09 3 colours | Add smartwatch to the comparison |
|---|---|---|---|---|---|---|
| Dimensions: | 40 x 34 x 10,7 mm | 46 x 46,7 x 11,3 mm | 47,8 x 47,8 x 12,9 mm | 46 x 46 x 10,6 mm | 42 x 42,5 x 10,5 mm | |
| Weight: | 30,1 gr | 63 gr | 80,5 gr | 35 gr | 51 gr | |
| Stand-by time: | 0,8 day(s) | dependent on usage | dependent on usage | dependent on usage | dependent on usage | |
| Call time: | dependent on usage | dependent on usage | dependent on usage | dependent on usage | dependent on usage | |
| Announced: | 12 september 2018 | 15 may 2025 | 19 september 2025 | 1 september 2023 | 16 may 2025 | |
Design type | ||||||
| Watch: | ||||||
Controls | ||||||
| Touchscreen: | Capacitive | 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 | AMOLED, Always On feature | Adjustable display brightness, AMOLED, Always On feature | Adjustable display brightness, AMOLED, Always On feature | |
| Resolution: | 272 x 340 pixels | 466 x 466 pixels | 466 x 466 pixels | 480 x 480 pixels | 466 x 466 pixels | |
| Size: | 1.34 inch | 1.5 inch | 1.5 inch | 1.5 inch | 1.38 inch | |
| Aspect ratio: | 5:4 | 1:1 | 1:1 | 1:1 | 1:1 | |
| Pixels Per Inch (PPI): | 325 | 439 | 439 | 453 | 478 | |
| Screen-to-body ratio: | 41.6% | 33.8% | 31.8% | 34.3% | 34.4% | |
| Peak brightness: | 3000 nits | 3500 nits | 3000 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 | IP69, 5 ATM | IP68/69, 20 ATM | 5 ATM | IP69, 5 ATM | |
| Ceramics: | ||||||
| Glass: | ||||||
| Stainless Steel: | ||||||
| Titanium: | ||||||
| Sapphire Crystal: | ||||||
| Aluminium: | ||||||
Telephony | ||||||
| Integrated handsfree speaker: | ||||||
| Vibrating alert: | ||||||
| eSIM: | ||||||
| Flight mode: | ||||||
Personal Information | ||||||
| Alarm clock: | ||||||
| Date and time notation: | ||||||
| Reminder list: | ||||||
| Stopwatch & countdown timer: | ||||||
| Agenda: | ||||||
| Calculator: | ||||||
| Contact list: | ||||||
| To-do list: | ||||||
Available applications | ||||||
| Pedometer: | ||||||
| Photo album: | ||||||
| Calories: | ||||||
| Sleep tracker: | ||||||
Navigation | ||||||
| Build-in navigation system: | Apple Maps | |||||
| GLONASS: | ||||||
| GPS receiver: | ||||||
| Beidou: | ||||||
| Digital Compass: | ||||||
| Galileo: | ||||||
| Quasi-Zenith (QZSS): | ||||||
| A-GPS: | ||||||
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 | v5.2 | v5.2 | v5.0 | v5.2 | |
| Synchronisation: | ||||||
| Wireless Lan (WLAN/Wi-Fi): | Wi-Fi 4 (802.11n) | Wi-Fi 6 (802.11ax) | 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: | ||||||
| Depth sensor: | ||||||
| ECG: | ||||||
| Skin temperature sensor: | ||||||
| Thermometer: | ||||||
| Oxygen saturation (SpO2): | ||||||
| Altimeter: | ||||||
| PPG: | ||||||
Compatibility | ||||||
| With iOS: | 8.3+ | From 13.0 | From 13.0 | From 14.0 | From 13.0 | |
| With Android: | From 9.0 | From 9.0 | From 7.0 | From 9.0 | ||
| With Apple Health: | ||||||
| With Google Fit: | ||||||
Carrying method | ||||||
| Strap: | Interchangeable | Interchangeable | Interchangeable | |||
| Wrist Size: | 140-210 mm | 140-210 mm | 140-210 mm + 140-215 mm | 120-190 mm | ||
| Size: | 22 mm | |||||
Personalisation | ||||||
| Multiple homescreens: | ||||||
Contents of the package | ||||||
| Oplader: | ||||||
| Quick start guide: | ||||||
| Safety booklet: | ||||||
| Warranty card: | ||||||
| Wristband: | ||||||
Operating frequency | ||||||
| Quad band: | ||||||
Data network | ||||||
| 4G (LTE): | ||||||
Connections | ||||||
| Pogo pin: | ||||||
AI (Artificial intelligence) | ||||||
| Amazon Alexa: | ||||||
