| key specs |
| Dial Shape | Rectangle | Square |
| Display Type | AMOLED | AMOLED |
| Ideal For | Unisex | Unisex |
| Strap Colour | - | Blue, Black, Pink Clay, Olive, Thistle |
| Compatible OS | - | Android, iOS |
| general |
| Brand | Redmi | Fitbit |
| Model | Watch 4 | Versa 3 |
| Release date | November 29, 2023 | August 25, 2020 |
| Model Name | Redmi Watch 4 | Versa 3 |
| Dial Colour | Black, White | - |
| Dial Shape | Rectangle | Square |
| Size | Regular | Regular |
| Touchscreen | Yes | Yes |
| Water Resistant | 5 ATM | Yes |
| Ideal For | Unisex | Unisex |
| Water Resistance Depth | - | 50 meters |
| Strap Colour | - | Blue, Black, Pink Clay, Olive, Thistle |
| dimensions |
| Width | 47.58 | - |
| Height | 41.12 | - |
| Thickness | 10.5 | - |
| Weight (g) | 31.50 | - |
| product details |
| Sensor | acceleration, gyro, geomagnetic, ambient light and optical heart rate and blood oxygen sensors | Accelerometer, Ambient light sensor, Gyroscope Built-in GPS + GLONASS, Altimeter, Optical heart rate sensor |
| Battery Type | 470mAh | Lithium-polymer |
| Battery Life | 20 days | Around 6 days |
| Rechargeable Battery | Yes | - |
| Compatible Device | - | Mac OS X 12.2 and up, iPhone 5S and later, iPad 5 gen. and later, Android 7.0 and later |
| connectivity features |
| Bluetooth | Yes | Yes |
| Bluetooth Version | 5.3 | - |
| Wi-Fi | Yes | Yes |
| Call Function | - | Yes |
| GPS | - | Yes |
| Other Connectivity Features | - | NFC |
| platform and storage features |
| Operating System | HyperOS | - |
| Compatible Operating System | - | Android, iOS |
| camera and display features |
| Display Resolution | 390 x 450 | - |
| Display Type | AMOLED | AMOLED |
| fitness and watch functions |
| Step Count | Yes | Yes |
| Calorie Count | Yes | Yes |
| Heart Rate Monitor | Yes | Yes |
| Compass | Yes | - |
| Calendar | Yes | Yes |
| Alarm Clock | Yes | Yes |
| Date & Time Display | Yes | Yes |
| Language | Simplified Chinese, Traditional Chinese, English | English |
| Number of Buttons | One | - |
| Other Fitness Features | Stress tracker, SpO2, Menstrual cycle monitoring | - |
| Altimeter | - | Yes |
| audio and video features |
| Speaker | - | Yes |
| Microphone | - | Yes |