Apple Watch Series 4
Platform
| GPU | PowerVR |
| CPU | Dual-core |
| Chipset | Apple S4 |
| OS | watchOS 5.0, upgradable to 8.6 |
Memory
| Internal | 16GB 1GB RAM |
| Card slot | No |
Display
3D Touch display | |
| Protection | Sapphire crystal glass |
| Resolution | 448 x 368 pixels (~326 ppi density) |
| Size | 1.78 inches |
| Type | Retina LTPO OLED, 1000 nits (peak) |
Body
50m water resistant ECG certified (region dependent SW application; HW available on all models) | |
| SIM | eSIM |
| Build | Glass front (Sapphire crystal), ceramic/sapphire crystal back, stainless steel frame |
| Weight | 48 g (1.69 oz) |
| Dimensions | 44 x 38 x 10.7 mm (1.73 x 1.50 x 0.42 in) |
Battery
| Charging | Wireless charging |
| Type | Li-Ion 292 mAh (1.12 Wh), non-removable |
Sound
| 3.5mm jack | No |
| Loudspeaker | Yes |
Features
Natural language commands and dictation (talking mode) | |
| Sensors | Accelerometer, gyro, heart rate, barometer |
Misc
| Price | About 700 EUR |
| Models | A1975, A1976, A2007, A2008 |
| Colors | Space Black, Silver, Gold |
Comms
| USB | No |
| Radio | No |
| NFC | Yes |
| GPS | Yes, with A-GPS, GLONASS, GALILEO, QZSS |
| Bluetooth | 5.0, A2DP, LE |
| WLAN | Wi-Fi 802.11 b/g/n |
Camera
No |
Launch
| Status | Available. Released 2018, September |
| Announced | 2018, September |
Network
| Speed | HSPA 42.2/5.76 Mbps, LTE |
1, 3, 39, 40, 41 - China | |
2, 4, 5, 12, 13, 17, 18, 19, 25, 26, 41 - USA, LATAM, Canada | |
| 4G bands | 1, 3, 5, 7, 8, 18, 19, 20, 26 - Europe, Australia |
HSDPA 2100 - China | |
HSDPA 850 / 1700(AWS) / 1900 / 800 - USA, LATAM, Canada | |
| 3G bands | HSDPA 850 / 900 / 2100 / 800 - Europe, Australia |
| 2G bands | GSM 850 / 900 / 1800 / 1900 |
| Technology |