| Specification | Amazfit GTR 2 | Polar Polar ignite |
|---|---|---|
| Features | ||
| Water Resistant | ||
| Bluetooth | ||
| Speaker | ||
| Others | Self-developed BioTracker, PPG (support blood-oxygen) biological data sensor, Air pressure sensor, Acceleration sensor, Gyroscope sensor, 3-axis geomagnetic sensor, Ambient light sensor | sleep tracker, gym perfect, traing activityetc. |
| Sensors | PPG bio-tracking optical | Heart rate, integrated GPS, personalized daily workout guidance and a nightly recovery measurement. |
| Voice Control | ||
| App Control | ||
| Physical | ||
| Lenth (inch) | 1.8 | 1.63 |
| Height (inch) | 0.4 | 0.33 |
| Width (inch) | 1.8 | 1.63 |
| General | ||
| Screen Size (mm) | 35.3 | 22 mm |
| Display Type | AMOLED | led display |
| Frame | Stainless Steel | stainless steel |
| Color/finish | Black | black/pink |