| key specs |
| Strap Colour | Black, Khaki Green, Gold and Brown, and Soft Blue | Black, Light Gold and Silver |
| Strap Material | Rubber | Leather |
| Dial Shape | Round | Round |
| Display Type | AMOLED | AMOLED |
| Ideal For | Unisex | Unisex |
| Display Size | - | 42mm |
| Compatible OS | - | Android, iOS |
| general |
| Brand | Xiaomi | Xiaomi |
| Model | Watch 5 | Watch S2 |
| Release date | December 25, 2025 | January 10, 2022 |
| Model Name | Watch 5 | Xiaomi Watch S2 |
| Dial Colour | Silver, Black | Black |
| Dial Shape | Round | Round |
| Strap Colour | Black, Khaki Green, Gold and Brown, and Soft Blue | Black, Light Gold and Silver |
| Strap Material | Rubber | Leather |
| Size | Large | Large |
| Touchscreen | 1.54-Inch AMOLED | Yes |
| Interchangeable Strap | Yes | Yes |
| Water Resistant | 5 ATM | Yes |
| Ideal For | Unisex | Unisex |
| Water Resistance Depth | - | 5ATM |
| Usage | - | Fitness & Outdoor |
| dimensions |
| Width | 47mm | - |
| Height | 47mm | - |
| Thickness | 12.3mm | - |
| Diameter | 205mm | - |
| Weight (g) | 56.00 | - |
| product details |
| Sensor | heart rate sensor, a SpO2 sensor, an ECG sensor, EMG sensor, accelerometer, a gyroscope, a geomagnetic sensor, a barometric pressure sensor, and an ambient light sensor | Blood Oxygen Monitor, Heart Rate Monitor |
| Compatible Device | Android 8 or later versions and iOS 14 and newer versions | Android, iOS |
| Battery Type | Lithium-Ion | 305 |
| Rechargeable Battery | 903mAh | Yes |
| Closure | - | Strap Buckle |
| Notification | - | Message |
| Battery Life | - | 12 Days |
| connectivity features |
| Call Function | Yes | Yes |
| Bluetooth | Yes | Yes |
| Bluetooth Version | 5.4 | 5.2 |
| Wi-Fi | Yes | - |
| GPS | Yes | Yes |
| Messaging Support | Yes | - |
| Operating Range | 10m | - |
| Third Party App Support | - | Yes |
| Call Features | - | call, answer, reject and mute calls |
| Other Connectivity Features | - | Notifications |
| camera and display features |
| Display Resolution | 480x480 pixels | 466X466 |
| Display Type | AMOLED | AMOLED |
| Display Size | - | 42mm |
| Other Display Features | - | Touch Screen |
| fitness and watch functions |
| Step Count | Yes | Yes |
| Calorie Count | Yes | - |
| Heart Rate Monitor | Yes | Yes |
| Compass | Yes | Yes |
| Calendar | Yes | Yes |
| Alarm Clock | Yes | Yes |
| Date & Time Display | Yes | Yes |
| Number of Buttons | 2 | - |
| Other Fitness Features | Heart rate monitoring, SpO2 blood-oxygen level monitoring, and ECG tracking | - |
| platform and storage features |
| Operating System | - | MIUI Watch OS |
| Compatible Operating System | - | Android, iOS |