Xiaomi Watch S4 15th Anniversary Edition vs Xiaomi Watch S1 Pro comparison
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| key specs |
| Display Size | 36mm | - |
| Compatible OS | Android 8.0 or above, iOS 12.0 or above | - |
| Dial Shape | Round | Round |
| Display Type | AMOLED | AMOLED |
| Ideal For | Unisex | Unisex |
| Strap Colour | - | Black |
| Strap Material | - | Silicone |
| general |
| Brand | Xiaomi | Xiaomi |
| Model | Watch S4 15th Anniversary Edition | Watch S1 Pro |
| Release date | May 23, 2025 | August 11, 2022 |
| Model Name | Xiaomi Watch S4 15th Anniversary Edition | Watch S1 Pro |
| Dial Colour | Black | Black |
| Dial Shape | Round | Round |
| Size | Regular | Regular |
| Touchscreen | 1.43 | 1.47-inch |
| Interchangeable Strap | Yes | - |
| Water Resistant | 5 ATM | 5ATM |
| Usage | Regular | - |
| Ideal For | Unisex | Unisex |
| Model Number | - | M2134W1 |
| Strap Colour | - | Black |
| Strap Material | - | Silicone |
| dimensions |
| Width | 47.3 | 46mm |
| Height | 47.3 | 46mm |
| Thickness | 12 | 11.28mm |
| Weight (g) | 44.50 | - |
| product details |
| Sensor | Heart Rate Monitor, Stress, Sleep | Heart rate sensor (including blood oxygen), acceleration sensor, gyroscope geomagnetic sensor, air pressure sensor, ambient light sensor , capacitive sensor, temperature sensor |
| Compatible Device | Android and iOS | - |
| Battery Type | 486mAh | Lithium-ion polymer battery |
| connectivity features |
| Bluetooth | Yes | - |
| Bluetooth Version | 5.3 | Bluetooth v5.2 |
| Wi-Fi | Yes | Yes |
| GPS | Yes | Yes |
| Other Connectivity Features | NFC, Galileo, Glonass, Beidou, QZSS | - |
| Operating Range | - | 10m |
| platform and storage features |
| Operating System | HyperOS 2 | - |
| Compatible Operating System | Android 8.0 or above, iOS 12.0 or above | - |
| camera and display features |
| Display Resolution | 466 x 466 | 480x480 |
| Display Size | 36mm | - |
| Display Type | AMOLED | AMOLED |
| fitness and watch functions |
| Step Count | Yes | - |
| Calorie Count | Yes | - |
| Heart Rate Monitor | Yes | Yes |
| Alarm Clock | Yes | Yes |
| Date & Time Display | Yes | Yes |
| Language | English | - |
| Compass | - | Yes |
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