Xiaomi Watch S4 vs Xiaomi Mi Watch (2020) comparison
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| key specs |
| Dial Shape | Round | Round |
| Display Type | AMOLED | AMOLED |
| Ideal For | Unisex | Unisex |
| Display Size | - | 35mm |
| Compatible OS | - | Android, iOS |
| general |
| Brand | Xiaomi | Xiaomi |
| Model | Watch S4 | Mi Watch (2020) |
| Release date | October 29, 2024 | October 1, 2020 |
| Dial Shape | Round | Round |
| Size | Regular | Regular |
| Touchscreen | 1.43 | Yes |
| Interchangeable Strap | Yes | Yes |
| Water Resistant | 5 ATM | 5 ATM |
| Usage | Regular | - |
| Ideal For | Unisex | Unisex |
| Model Name | - | Mi Watch |
| Water Resistance Depth | - | 50 metres |
| dimensions |
| Width | 47.3 | - |
| Height | 47.3 | - |
| Thickness | 12 | - |
| Weight (g) | 44.50 | 32.00 |
| product details |
| Sensor | heart rate, SpO2, steps, sleep tracker | Geomagnetic compass, elevation sensor, heart rate, blood exygen, air pressure sensor |
| Battery Type | 486mAh | - |
| Battery Life | 15 | 16 days |
| Compatible Device | - | Android, iOS |
| Notification | - | Yes |
| Charge Time | - | 2 hours |
| Charger Type | - | Magnetic |
| Rechargeable Battery | - | Yes |
| connectivity features |
| Bluetooth | Yes | Yes |
| Bluetooth Version | 5.2 | - |
| Wi-Fi | Yes | - |
| GPS | Yes | Yes |
| Other Connectivity Features | NFC, Galileo, Glonass, Beidou, QZSS | - |
| platform and storage features |
| Operating System | HyperOS 2 | - |
| Compatible Operating System | - | Android, iOS |
| camera and display features |
| Display Resolution | 466 x 466 | 454x454 |
| Display Type | AMOLED | AMOLED |
| Display Size | - | 35mm |
| Scratch Resistant | - | Corning Gorilla Glass 3 |
| fitness and watch functions |
| Step Count | Yes | Yes |
| Heart Rate Monitor | Yes | Yes |
| Date & Time Display | Yes | Yes |
| Calorie Count | - | Yes |
| Altimeter | - | Yes |
| Compass | - | Yes |
| Calendar | - | Yes |
| Alarm Clock | - | Yes |
| Language | - | English |
| Number of Buttons | - | 2 |
| Other Fitness Features | - | 117 exercise modes |
| audio and video features |
| Speaker | - | Yes |
| Microphone | - | Yes |
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