Amazfit Cheetah 2 Ultra vs Xiaomi Watch S1 comparison
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| key specs |
| Dial Shape | Round | Round |
| Display Type | AMOLED | AMOLED |
| Ideal For | Unisex | Unisex |
| Strap Colour | - | Black Viton, Brown Leather, Blue Leather |
| Display Size | - | 36mm |
| general |
| Brand | Amazfit | Xiaomi |
| Model | Cheetah 2 Ultra | Watch S1 |
| Release date | June 9, 2026 | December 28, 2021 |
| Dial Shape | Round | Round |
| Size | Large | Regular |
| Touchscreen | 1.5 | Yes |
| Water Resistant | 5 ATM | Yes |
| Water Resistance Depth | 50 m | 5ATM |
| Usage | Regular, Sports, Adventure Sports | - |
| Ideal For | Unisex | Unisex |
| Model Number | - | M2108W1 |
| Dial Colour | - | Silver |
| Strap Colour | - | Black Viton, Brown Leather, Blue Leather |
| Interchangeable Strap | - | Yes |
| Dial Material | - | Stainless steel |
| dimensions |
| Width | 47.4 | 46.5 |
| Height | 47.4 | 46.5 |
| Thickness | 15.6 | 11 |
| Weight (g) | 52.00 | - |
| product details |
| Sensor | BioTracker PPG biometric sensor, Accelerometer, Gyroscope, Geomagnetic sensor, Temperature sensor, Barometric altimeter, Ambient light sensor | Heart rate sensor, SpO2 sensor, acceleration sensor, gyroscope, geomagnetic sensor, air pressure sensor, ambient light sensor |
| Battery Type | 780mAh | Li-ion polymer |
| Battery Life | 30 days | 12 days |
| Rechargeable Battery | Yes | - |
| Compatible Device | - | Android, iPhone |
| Notification | - | Yes |
| connectivity features |
| Call Function | Yes | Yes |
| Bluetooth | Yes | Bluetooth |
| Bluetooth Version | 5.2 | v5.2 |
| GPS | Yes | Yes |
| Wi-Fi | - | Yes |
| Messaging Support | - | Yes |
| Call Features | - | Yes |
| platform and storage features |
| Operating System | ZeppOS 6 | - |
| Internal Memory | 64GB | - |
| camera and display features |
| Display Resolution | 480 x 480 | 466x466 |
| Display Type | AMOLED | AMOLED |
| Other Display Features | Up to 3,000 nits, Sapphire glass | - |
| Display Size | - | 36mm |
| Backlight Display | - | Yes |
| fitness and watch functions |
| Step Count | Yes | Yes |
| Heart Rate Monitor | Yes | Yes |
| Altimeter | Yes | - |
| Compass | Yes | - |
| Date & Time Display | Yes | Yes |
| Language | English | Simplified Chinese |
| Number of Buttons | 4 | 2 |
| Calorie Count | - | Yes |
| Calendar | - | Yes |
| Alarm Clock | - | Yes |
| Chronograph | - | Yes |
| Other Fitness Features | - | 117 sports modes |
| audio and video features |
| Speaker | Yes | Yes |
| Microphone | Yes | Yes |
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