Xiaomi Watch S4 vs Apple Watch Series 9
| Phones Images | |||||
|---|---|---|---|---|---|
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| PHONES | ||
|---|---|---|
| Phone Names | Xiaomi Watch S4 | Apple Watch Series 9 |
| Network | ||
|---|---|---|
| 2G bands | GSM 850 / 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 |
| 3G bands | HSDPA | HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 - International, China, HK |
| 4G bands | LTE | 1, 2, 3, 4, 5, 6, 7, 8, 18, 19, 20, 25, 26, 28, 39, 40, 41, 66 - International, China, HK |
| EDGE | No | - |
| GPRS | No | - |
| Speed | HSPA, LTE | HSPA, LTE |
| Technology | GSM / HSPA / LTE | GSM / HSPA / LTE |
| Launch | ||
|---|---|---|
| Announced | 2024, October 29 | 2023, September 12 |
| Status | Available. Released 2024, October 29 | Available. Released 2023, September 22 |
| Body | ||
|---|---|---|
| Build | Aluminum alloy frame, stainless steel bezel | Sapphire crystal front, ceramic/sapphire crystal back, stainless steel frame |
| Dimensions | 47.3 x 47.3 x 12 mm (1.86 x 1.86 x 0.47 in) | 45 x 38 x 10.7 mm (1.77 x 1.50 x 0.42 in) |
| SIM | eSIM (market/region dependent) | eSIM |
| Weight | 44.5 g (1.59 oz) | 42.3 g (41mm), 51.5 g (45mm) (1.48 oz) |
| Display | ||
|---|---|---|
| Protection | Scratch/drop-proof glass | Sapphire crystal glass |
| Resolution | 466 x 466 pixels (~326 ppi density) | 484 x 396 pixels (~326 ppi density) |
| Size | 1.43 inches | 1.9 inches |
| Type | AMOLED, 1500 nits (HBM), 2200 nits (peak) | Retina LTPO OLED, 2000 nits (peak) |
| Platform | ||
|---|---|---|
| CPU | - | Dual-core |
| Chipset | - | Apple S9 |
| GPU | - | PowerVR |
| OS | HyperOS 2 | watchOS 10, upgradable to watchOS 26.1 |
| Memory | ||
|---|---|---|
| Card slot | No | No |
| Internal | - | 64GB |
| Sound | ||
|---|---|---|
| 35mm jack | No | No |
| Loudspeaker | Yes | Yes |
| Comms | ||
|---|---|---|
| Bluetooth | 5.3, A2DP, LE | 5.3, A2DP, LE |
| NFC | Yes (market/region dependent) | Yes |
| Positioning | GPS (L1+L5), GLONASS, GALILEO, BDS, QZSS | GPS, GLONASS, GALILEO, QZSS, BDS |
| Radio | No | No |
| USB | No | No |
| WLAN | No | Wi-Fi 802.11 b/g/n, dual-band |
| Features | ||
|---|---|---|
| Sensors | Accelerometer, gyro, compass, barometer, heart rate, SpO2 | Accelerometer, gyro, heart rate, barometer, always-on altimeter, compass, SpO2, VO2max, temperature (body) |
| Battery | ||
|---|---|---|
| Charging | - | Wireless, 0-80% in 45 min |
| Type | Li-Po 486 mAh | Li-Ion 308 mAh |
| Misc | ||
|---|---|---|
| Colors | Black, Silver, Rainbow | Graphite, Silver, Gold, Red |
| Models | M2424W1, M2425W1 | A2982, A2984, A2983, A2985, Watch7,3, Watch7,4 |
| Price | About 130 EUR | About 630 EUR |
| SAR | - | 1.02 W/kg (head) |
| SAR EU | - | 0.64 W/kg (head) |