Xiaomi Watch S4 41mm vs Amazfit Bip S comparison
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| key specs |
| Display Size | 41mm | - |
| Strap Material | Milanese | Silicone |
| Dial Shape | Round | Rectangle |
| Ideal For | Unisex | Unisex |
| Compatible OS | - | Android 5.0/ iOS 10.0 and above |
| general |
| Brand | Xiaomi | Amazfit |
| Model | Watch S4 41mm | Bip S |
| Release date | September 24, 2025 | January 8, 2020 |
| Dial Shape | Round | Rectangle |
| Strap Material | Milanese | Silicone |
| Size | Regular | Regular |
| Touchscreen | 1.32 | Yes |
| Water Resistant | 5ATM | Yes |
| Water Resistance Depth | 50 m | 5 ATM |
| Usage | Regular | - |
| Dial Material | Stainless steel | - |
| Ideal For | Unisex | Unisex |
| Model Name | - | Bip S |
| Interchangeable Strap | - | Yes |
| Dial Colour | - | Black |
| dimensions |
| Width | 41.2 | 35.3 |
| Height | 41.2 | 42 |
| Diameter | 9.5 | - |
| Weight (g) | 32.00 | 19.00 |
| Thickness | - | 11.4 |
| product details |
| Sensor | Heart rate sensor (with blood oxygen sensor), Accelerometer, Gyroscope, Ambient light sensor, Electronic compass, Barometer sensor, Temperature sensor | BioTracker PPG bio-tracking optical heart rate sensor, 3-axis acceleration sensor, 3-axis geomagnetic sensor |
| Battery Type | 320mAh | lithium-ion polymer |
| Battery Life | 8 days | 40 days |
| Compatible Device | - | Android, iPhone |
| Notification | - | Yes |
| Charge Time | - | 2.5 hours |
| Charger Type | - | 2 pogo pin USB Magnetic charger |
| Stand By Time | - | 90 days |
| Rechargeable Battery | - | Yes |
| connectivity features |
| Call Function | Yes | - |
| Bluetooth | Yes | Yes |
| Bluetooth Version | 5.4 | 5.0 |
| GPS | Yes | Yes |
| platform and storage features |
| Operating System | Xiaomi HyperOS 3 | Amazfit OS |
| Compatible Operating System | - | Android 5.0/ iOS 10.0 and above |
| camera and display features |
| Display Resolution | 466 × 466 | 176x176 |
| Display Size | 41mm | - |
| Other Display Features | 1500nits, 60Hz refresh rate | - |
| Scratch Resistant | - | Yes |
| fitness and watch functions |
| Step Count | Yes | Yes |
| Heart Rate Monitor | Yes | Yes |
| Altimeter | Yes | - |
| Compass | Yes | Yes |
| Calendar | Yes | - |
| Alarm Clock | Yes | Yes |
| Date & Time Display | Yes | Yes |
| Language | English | - |
| audio and video features |
| Speaker | Yes | - |
| Microphone | Yes | - |
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