Amazfit Cheetah 2 Ultra vs Xiaomi Watch S4 41mm comparison
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| key specs |
| Dial Shape | Round | Round |
| Display Type | AMOLED | - |
| Ideal For | Unisex | Unisex |
| Display Size | - | 41mm |
| Strap Material | - | Milanese |
| general |
| Brand | Amazfit | Xiaomi |
| Model | Cheetah 2 Ultra | Watch S4 41mm |
| Release date | June 9, 2026 | September 24, 2025 |
| Dial Shape | Round | Round |
| Size | Large | Regular |
| Touchscreen | 1.5 | 1.32 |
| Water Resistant | 5 ATM | 5ATM |
| Water Resistance Depth | 50 m | 50 m |
| Usage | Regular, Sports, Adventure Sports | Regular |
| Ideal For | Unisex | Unisex |
| Strap Material | - | Milanese |
| Dial Material | - | Stainless steel |
| dimensions |
| Width | 47.4 | 41.2 |
| Height | 47.4 | 41.2 |
| Thickness | 15.6 | - |
| Weight (g) | 52.00 | 32.00 |
| Diameter | - | 9.5 |
| product details |
| Sensor | BioTracker PPG biometric sensor, Accelerometer, Gyroscope, Geomagnetic sensor, Temperature sensor, Barometric altimeter, Ambient light sensor | Heart rate sensor (with blood oxygen sensor), Accelerometer, Gyroscope, Ambient light sensor, Electronic compass, Barometer sensor, Temperature sensor |
| Battery Type | 780mAh | 320mAh |
| Battery Life | 30 days | 8 days |
| Rechargeable Battery | Yes | - |
| connectivity features |
| Call Function | Yes | Yes |
| Bluetooth | Yes | Yes |
| Bluetooth Version | 5.2 | 5.4 |
| GPS | Yes | Yes |
| platform and storage features |
| Operating System | ZeppOS 6 | Xiaomi HyperOS 3 |
| Internal Memory | 64GB | - |
| camera and display features |
| Display Resolution | 480 x 480 | 466 × 466 |
| Display Type | AMOLED | - |
| Other Display Features | Up to 3,000 nits, Sapphire glass | 1500nits, 60Hz refresh rate |
| Display Size | - | 41mm |
| fitness and watch functions |
| Step Count | Yes | Yes |
| Heart Rate Monitor | Yes | Yes |
| Altimeter | Yes | Yes |
| Compass | Yes | Yes |
| Date & Time Display | Yes | Yes |
| Language | English | English |
| Number of Buttons | 4 | - |
| Calendar | - | Yes |
| Alarm Clock | - | Yes |
| audio and video features |
| Speaker | Yes | Yes |
| Microphone | Yes | Yes |
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