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- Xiaomi Watch S4 15th Anniversary Edition vs Amazfit T Rex Pro
Xiaomi Watch S4 15th Anniversary Edition vs Amazfit T-Rex Pro comparison
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| key specs | ||||
| Display Size | 36mm | - | ||
| Compatible OS | Android 8.0 or above, iOS 12.0 or above | iOS, Android | ||
| Dial Shape | Round | Round | ||
| Display Type | AMOLED | AMOLED | ||
| Ideal For | Unisex | Unisex | ||
| Strap Material | - | Silicone | ||
| general | ||||
| Brand | Xiaomi | Amazfit | ||
| Model | Watch S4 15th Anniversary Edition | T-Rex Pro | ||
| Release date | May 23, 2025 | March 23, 2021 | ||
| Model Name | Xiaomi Watch S4 15th Anniversary Edition | Amazfit T-Rex Pro | ||
| Dial Colour | Black | Desert Grey, Meteorite Black, Steel Blue | ||
| Dial Shape | Round | Round | ||
| Size | Regular | Regular | ||
| Touchscreen | 1.43 | Yes | ||
| Interchangeable Strap | Yes | - | ||
| Water Resistant | 5 ATM | 10 ATM | ||
| Usage | Regular | - | ||
| Ideal For | Unisex | Unisex | ||
| Strap Material | - | Silicone | ||
| Dial Material | - | Polycarbonate | ||
| dimensions | ||||
| Width | 47.3 | 47.7 | ||
| Height | 47.3 | 47.7 | ||
| Thickness | 12 | 13.5 | ||
| Weight (g) | 44.50 | 59.40 | ||
| product details | ||||
| Sensor | Heart Rate Monitor, Stress, Sleep | Three-axis acceleration sensor, Heart Rate Sensor, BioTracker 2 PPG , ambient light sensor, Geomagnetic, three-axis gyroscope, barometric altimeter | ||
| Compatible Device | Android and iOS | Android, iOS | ||
| Battery Type | 486mAh | - | ||
| Notification | - | Yes | ||
| Battery Life | - | 18 days | ||
| Charge Time | - | 1.5 hours | ||
| Charger Type | - | Magnetic 2-pins Pogo Pin | ||
| Rechargeable Battery | - | Yes | ||
| connectivity features | ||||
| Bluetooth | Yes | Yes | ||
| Bluetooth Version | 5.3 | 5.0 | ||
| Wi-Fi | Yes | Yes | ||
| GPS | Yes | Yes | ||
| Other Connectivity Features | NFC, Galileo, Glonass, Beidou, QZSS | - | ||
| platform and storage features | ||||
| Operating System | HyperOS 2 | RTOS | ||
| Compatible Operating System | Android 8.0 or above, iOS 12.0 or above | iOS, Android | ||
| camera and display features | ||||
| Display Resolution | 466 x 466 | 320x360 | ||
| Display Size | 36mm | - | ||
| Display Type | AMOLED | AMOLED | ||
| Scratch Resistant | - | Tempered Glass + anti-fingerprint coating | ||
| fitness and watch functions | ||||
| Step Count | Yes | Yes | ||
| Calorie Count | Yes | Yes | ||
| Heart Rate Monitor | Yes | Yes | ||
| Alarm Clock | Yes | Yes | ||
| Date & Time Display | Yes | Yes | ||
| Language | English | English | ||
| Altimeter | - | Yes | ||
| Calendar | - | Yes | ||
| Number of Buttons | - | 4 | ||
| Other Fitness Features | - | 100+ sports modes | ||
| Other Watch Functions | - | Heart rate monitoring, sleep quality monitoring | ||
| audio and video features | ||||
| Speaker | - | Yes | ||
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