Apple Watch Series 7 vs Apple Watch Series 4
| Phones Images | |||||
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| PHONES | ||
|---|---|---|
| Phone Names | Apple Watch Series 7 | Apple Watch Series 4 |
| Network | ||
|---|---|---|
| 2G bands | GSM 850 / 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 |
| 3G bands | HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 - International | HSDPA 850 / 900 / 2100 / 800 - Europe, Australia |
| 4G bands | 1, 2, 3, 4, 5, 7, 8, 18, 19, 20, 25, 26, 28, 39, 40, 41, 66 - International | 1, 3, 5, 7, 8, 18, 19, 20, 26 - Europe, Australia |
| Speed | HSPA, LTE | HSPA, LTE |
| Technology | GSM / HSPA / LTE | GSM / HSPA / LTE |
| 1, 2, 3, 4, 5, 7, 12, 13, 14, 17, 18, 19, 25, 26, 39, 40, 41, 66 - USA, LATAM, Canada | 1, 3, 39, 40, 41 - China | |
| Launch | ||
|---|---|---|
| Announced | 2021, September 14 | 2018, September. Released 2018, September |
| Status | Available. Released 2021, October 15 | Discontinued |
| Body | ||
|---|---|---|
| Build | Sapphire crystal front, ceramic/sapphire crystal back, stainless steel frame | Glass front (Sapphire crystal), ceramic/sapphire crystal back, stainless steel frame |
| Dimensions | 45 x 38 x 10.7 mm (1.77 x 1.50 x 0.42 in) | 44 x 38 x 10.7 mm (1.73 x 1.50 x 0.42 in) |
| SIM | eSIM | eSIM |
| Weight | 42.3 g (41mm), 51.5 g (45mm) (1.48 oz) | 48 g (1.69 oz) |
| IP6X certified 50m water resistant ECG certified (region dependent SW application; HW available on all models) | 50m water resistant ECG certified (region dependent SW application; HW available on all models) | |
| Display | ||
|---|---|---|
| Protection | Sapphire crystal glass | Sapphire crystal glass |
| Resolution | 484 x 396 pixels (~326 ppi density) | 448 x 368 pixels (~326 ppi density) |
| Size | 1.9 inches | 1.78 inches |
| Type | Retina LTPO OLED, 1000 nits (peak) | Retina LTPO OLED, 1000 nits (peak) |
| Always-on display | 3D Touch display | |
| Platform | ||
|---|---|---|
| CPU | Dual-core | Dual-core |
| Chipset | Apple S7 | Apple S4 |
| GPU | PowerVR | PowerVR |
| OS | watchOS 8.0, upgradable to watchOS 26.1 | watchOS 5.0, upgradable to watchOS 10.6.1 |
| Memory | ||
|---|---|---|
| Card slot | No | No |
| Internal | 32GB 1GB RAM | 16GB 1GB RAM |
| Sound | ||
|---|---|---|
| 3.5mm jack | No | No |
| 35mm jack | No | No |
| Loudspeaker | Yes | Yes |
| Comms | ||
|---|---|---|
| Bluetooth | 5.0, A2DP, LE | 5.0, A2DP, LE |
| NFC | Yes | Yes |
| Positioning | GPS, GLONASS, GALILEO, QZSS, BDS | GPS, GLONASS, GALILEO, QZSS |
| Radio | No | No |
| USB | No | No |
| WLAN | Wi-Fi 802.11 b/g/n, dual-band | Wi-Fi 802.11 b/g/n |
| Features | ||
|---|---|---|
| Sensors | Accelerometer, gyro, heart rate, barometer, always-on altimeter, compass, SpO2, VO2max | Accelerometer, gyro, heart rate, barometer |
| Natural language commands and dictation (talking mode) Ultra Wideband (UWB) support | Natural language commands and dictation (talking mode) | |
| Battery | ||
|---|---|---|
| Charging | Wireless, 0-80% in 45 min | Wireless |
| Type | Li-Ion 309 mAh (1.19 Wh) | Li-Ion 292 mAh (1.12 Wh), non-removable |
| Misc | ||
|---|---|---|
| Colors | Graphite, Gold, Silver | Space Black, Silver, Gold |
| Models | A2475, A2476, A2477, A2478, watch6,8, watch6,9 | A1975, A1976, A2007, A2008 |
| Price | About 310 EUR | About 700 EUR |
| SAR | 1.10 W/kg (head) | - |
| SAR EU | 0.70 W/kg (head) 1.50 W/kg (body) | - |
| Camera | ||
|---|---|---|
| No | No | |