Compare Apple Watch Series 4 40mm
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 |  |  |  |  |  | Add smartwatch to comparison |
|---|---|---|---|---|---|---|
| Dimensions: | 40 x 34 x 10.7 mm | 40 x 34 x 10.4 mm | 40 x 34 x 10.74 mm | 38.6 x 33.3 x 11.4 mm | not yet known | |
| Weight: | 30.1 grams | 30.5 grams | 30.1 grams | 26.7 grams | not yet known | |
| Stand-by: | 0.8 days | depends on usage | depends on usage | depends on usage | 0.8 days | |
| Talk time: | depends on usage | depends on usage | depends on usage | depends on usage | 3 hour | |
| Announced: | 12 september 2018 | 15 september 2020 | 10 september 2019 | 12 september 2018 | 11 september 2014 | |
Design type | ||||||
| Watch: | ||||||
Controls | ||||||
| Touchscreen: | Capacitive | Force Touch, capacitive | Force Touch, capacitive | Capacitive | Capacitive | |
| Voice command: | ||||||
| Directional key: | ||||||
Operating system | ||||||
| watchOS: | 4.0 | 7 | 6 | 4.0 | 2.0 | |
Display | ||||||
| Color display: | Adjustable display brightness, 16.777.216 colors (24 bits), OLED | Adjustable display brightness, 16.777.216 colors (24 bits), OLED, Always On feature | Adjustable display brightness, 16.777.216 colors (24 bits), OLED | Adjustable display brightness, 16.777.216 colors (24 bits), AMOLED | Adjustable display brightness, 16.777.216 colors (24 bits), AMOLED | |
| Resolution: | 272 x 340 pixels | 324 x 394 pixels | 272 x 340 pixels + 312 x 390 pixels | 272 x 340 pixels | 272 x 340 pixels + 312 x 390 pixels | |
| Size: | 1.34 inch | 1.57 inch | 1.34 inch + 1.65 inch | 1.34 inch | 1.34 inch + 1.65 inch | |
| Aspect ratio: | 5:4 | 10.9:9 | 5:4 | 5:4 | 5:4 | |
| Pixels Per Inch (PPI): | 325 | 325 | 373 | 325 | 373 | |
| Screen-to-body ratio: | 41.6% | 57.4% | 41.6% | 44% | ||
| Peak brightness: | 1000 nits | |||||
Hardware | ||||||
| Processor: | Apple S4, Dual Core | Apple S6, Dual Core | Apple S5 | Dual Core | Apple S1 | |
Materials | ||||||
| Dust and waterproof: | IPX7 | IPX7, 5 ATM | IPX7 | IPX7 | IPX7 | |
Telephony | ||||||
| Integrated handsfree speaker: | ||||||
| Vibrating alert: | ||||||
Personal Information | ||||||
| Alarm clock: | ||||||
| Date and time notation: | ||||||
| Reminder list: | ||||||
| Stopwatch & countdown timer: | ||||||
Available applications | ||||||
| Pedometer: | ||||||
| Photo album: | ||||||
Navigation | ||||||
| Build-in navigation system: | Apple Maps | Apple Maps | Apple Maps | Apple Maps | Apple Maps | |
| GLONASS: | ||||||
| GPS receiver: | ||||||
| Digital Compass: | ||||||
| Galileo: | ||||||
| Quasi-Zenith (QZSS).: | ||||||
Audio | ||||||
| Built-in speakers: | ||||||
| Microphone: | ||||||
Build-in memory | ||||||
| Internal memory: | ||||||
| Size (RAM): | 512 MB | 512 MB | 512 MB | 512 MB | ||
| Storage: | 16 GB | 32 GB | 16 GB | 16 GB | 8 GB | |
Connectivity | ||||||
| Bluetooth: | v5.0 | v5.0 | v5.0 | v4.2 | v4.0 | |
| Synchronisation: | ||||||
| Wireless Lan (WLAN/Wi-Fi): | Wi-Fi 4 (802.11n) | Wi-Fi 4 (802.11n) | Wi-Fi 4 (802.11n) | Wi-Fi 4 (802.11n) | Wi-Fi 4 (802.11n) | |
Power supply | ||||||
| Battery: | Li-ion | Li-ion | Li-ion | Li-ion | Li-ion | |
| Capacity: | 273 mAh | 273 mAh | 273 mAh | 273 mAh | 205 mAh + 246 mAh | |
Sensors | ||||||
| Ambient light sensor: | ||||||
| Barometer: | ||||||
| Gesture recognition: | ||||||
| Gyroscope: | ||||||
| Heart rate monitor: | ||||||
| Oxygen saturation (SpO2): | ||||||
Compatibility | ||||||
| With iOS: | 8.3+ | 8.3+ | 8.3+ | 8.3+ | 8.3+ | |
