Apple Watch Series 4 vs Apple Watch Series 3 Aluminum
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| PHONES | ||
|---|---|---|
| Phone Names | Apple Watch Series 4 | Apple Watch Series 3 Aluminum |
| Network | ||
|---|---|---|
| 2G bands | GSM 850 / 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 |
| 3G bands | HSDPA 850 / 900 / 2100 / 800 - Europe, Australia | HSDPA 850 / 900 / 2100 / 800 - Europe, Australia (A1891) |
| 4G bands | 1, 3, 5, 7, 8, 18, 19, 20, 26 - Europe, Australia | 1, 3, 5, 7, 8, 18, 19, 20, 26 - Europe, Australia (A1891) |
| Speed | HSPA, LTE | HSPA, LTE |
| Technology | GSM / HSPA / LTE | GSM / HSPA / LTE |
| 1, 3, 39, 40, 41 - China | 1, 3, 39, 40, 41 - China (A1892) | |
| Launch | ||
|---|---|---|
| Announced | 2018, September. Released 2018, September | 2017, September. Released 2017, September |
| Status | Discontinued | Discontinued |
| Body | ||
|---|---|---|
| Build | Glass front (Sapphire crystal), ceramic/sapphire crystal back, stainless steel frame | Glass front, ceramic back, aluminum frame |
| Dimensions | 44 x 38 x 10.7 mm (1.73 x 1.50 x 0.42 in) | 42.5 x 36.4 x 11.4 mm (1.67 x 1.43 x 0.45 in) |
| SIM | eSIM | eSIM |
| Weight | 48 g (1.69 oz) | 34.9 g (1.23 oz) |
| 50m water resistant ECG certified (region dependent SW application; HW available on all models) | 50m water resistant | |
| Display | ||
|---|---|---|
| Protection | Sapphire crystal glass | Ion-X strengthened glass |
| Resolution | 448 x 368 pixels (~326 ppi density) | 390 x 312 pixels (~303 ppi density) |
| Size | 1.78 inches | 1.65 inches |
| Type | Retina LTPO OLED, 1000 nits (peak) | Retina OLED, 1000 nits (peak) |
| 3D Touch display | 3D Touch display | |
| Platform | ||
|---|---|---|
| CPU | Dual-core | Dual-core |
| Chipset | Apple S4 | Apple S3 |
| GPU | PowerVR | PowerVR |
| OS | watchOS 5.0, upgradable to watchOS 10.6.1 | watchOS 4.0, upgradable to watchOS 8.7 |
| Memory | ||
|---|---|---|
| Card slot | No | No |
| Internal | 16GB 1GB RAM | 8GB 768MB RAM, 16GB 768MB RAM |
| Sound | ||
|---|---|---|
| 3.5mm jack | No | No |
| 35mm jack | No | No |
| Loudspeaker | Yes | Yes |
| Comms | ||
|---|---|---|
| Bluetooth | 5.0, A2DP, LE | 4.2, A2DP, LE |
| NFC | Yes | Yes |
| Positioning | GPS, GLONASS, GALILEO, QZSS | GPS, GLONASS |
| Radio | No | No |
| USB | No | No |
| WLAN | Wi-Fi 802.11 b/g/n | Wi-Fi 802.11 b/g/n |
| Features | ||
|---|---|---|
| Sensors | Accelerometer, gyro, heart rate, barometer | Accelerometer, gyro, heart rate, barometer |
| Natural language commands and dictation (talking mode) | Natural language commands and dictation (talking mode) | |
| Battery | ||
|---|---|---|
| Charging | Wireless | Wireless |
| Type | Li-Ion 292 mAh (1.12 Wh), non-removable | Li-Ion 341 mAh (1.34 Wh), non-removable |
| Misc | ||
|---|---|---|
| Colors | Space Black, Silver, Gold | Silver, Gold, Space Gray |
| Models | A1975, A1976, A2007, A2008 | A1860, A1861, A1889, A1891, A1890, A1892, A1858, A1859 |
| Price | About 700 EUR | About 480 EUR |
| SAR | - | 0.52 W/kg (head) 0.34 W/kg (body) |
| Camera | ||
|---|---|---|
| No | No | |