| Specification | Samsung Galaxy Watch 3 | Amazfit GTR 2 |
|---|---|---|
| Features | ||
| Sensors | Accelerometer, gyro, heart rate, barometer | PPG bio-tracking optical |
| Voice Control | ||
| App Control | ||
| Water Resistant | ||
| Bluetooth | ||
| Speaker | ||
| Others | Advanced Health Monitoring, Fitness Tracking, and Long Lasting Battery - Mystic Silver (US Version) | Self-developed BioTracker, PPG (support blood-oxygen) biological data sensor, Air pressure sensor, Acceleration sensor, Gyroscope sensor, 3-axis geomagnetic sensor, Ambient light sensor |
| General | ||
| Frame | Titanium | Stainless Steel |
| Color/finish | Silver | Black |
| Screen Size (mm) | 41 | 35.3 |
| Display Type | Super AMOLED | AMOLED |
| Physical | ||
| Lenth (inch) | 4.7 | 1.8 |
| Height (inch) | 4.2 | 0.4 |
| Width (inch) | 4.3 | 1.8 |