Xiaomi Watch S4 41mm vs Amazfit Active 2 Square comparison
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| key specs |
| Display Size | 41mm | 44mm |
| Strap Material | Milanese | - |
| Dial Shape | Round | Square |
| Ideal For | Unisex | Unisex |
| Compatible OS | - | Android and iOS |
| Display Type | - | AMOLED |
| general |
| Brand | Xiaomi | Amazfit |
| Model | Watch S4 41mm | Active 2 Square |
| Release date | September 24, 2025 | June 17, 2025 |
| Dial Shape | Round | Square |
| Strap Material | Milanese | - |
| Size | Regular | Regular |
| Touchscreen | 1.32 | 1.75 |
| Water Resistant | 5ATM | 5 ATM |
| Water Resistance Depth | 50 m | - |
| Usage | Regular | Regular |
| Dial Material | Stainless steel | Stainless Steel |
| Ideal For | Unisex | Unisex |
| Model Name | - | Amazfit Active 2 Square |
| Dial Colour | - | Black |
| dimensions |
| Width | 41.2 | 43.32 |
| Height | 41.2 | 36.9 |
| Diameter | 9.5 | - |
| Weight (g) | 32.00 | 31.40 |
| Thickness | - | 9 |
| product details |
| Sensor | Heart rate sensor (with blood oxygen sensor), Accelerometer, Gyroscope, Ambient light sensor, Electronic compass, Barometer sensor, Temperature sensor | BioTracker 6.0 PPG biometric sensor, Acceleration, Gyroscope, Ambient light, Geomagnetic, Temperature, Barometric altimeter |
| Battery Type | 320mAh | 260 |
| Battery Life | 8 days | 10 days |
| connectivity features |
| Call Function | Yes | Yes |
| Bluetooth | Yes | Yes |
| Bluetooth Version | 5.4 | 5.2 |
| GPS | Yes | Yes |
| Messaging Support | - | Yes |
| Call Features | - | Yes |
| platform and storage features |
| Operating System | Xiaomi HyperOS 3 | - |
| Compatible Operating System | - | Android and iOS |
| camera and display features |
| Display Resolution | 466 × 466 | 390x450 |
| Display Size | 41mm | 44mm |
| Other Display Features | 1500nits, 60Hz refresh rate | - |
| Display Type | - | AMOLED |
| fitness and watch functions |
| Step Count | Yes | Yes |
| Heart Rate Monitor | Yes | Yes |
| Altimeter | Yes | - |
| Compass | Yes | Yes |
| Calendar | Yes | Yes |
| Alarm Clock | Yes | Yes |
| Date & Time Display | Yes | Yes |
| Language | English | English |
| Calorie Count | - | Yes |
| audio and video features |
| Speaker | Yes | - |
| Microphone | Yes | - |
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