vs
8.8Display6.3
8.2Battery life8.0
9.6Health tracking4.9
9.5Sports & outdoor6.4
7.3Build & durability8.4
Dimensions
Size comparison
T-Rex Ultra 2Race 2
| T-Rex Ultra 2 | Race 2 | Difference | |
|---|---|---|---|
| Height | 51 mm | 49 mm | +2 mm |
| Width | 51 mm | 49 mm | +2 mm |
| Thickness | 14.3 mm | 12.5 mm | +1.8 mm |
| Weight | 89 g | 76 g | +13 g |
Drawn to the same scale from the official dimensions (front and side).
Why is T-Rex Ultra 2 better than Race 2?
- Battery life (smartwatch mode)30 days vs 18 days+67%
- Sport profiles180 vs 95+89%
- Pixel density322 ppi vs 311 ppi+4%
- Resolution (width)480 px vs 466 px+3%
Why is Race 2 better than T-Rex Ultra 2?
- GPS battery life40 h vs 65 h+62%
- Weight89.2 g vs 76 g+17%
- Thickness14.3 mm vs 12.5 mm+14%
- GPS battery life (dual-band)50 h vs 55 h+10%
Specifications
Side by side
| Design & durability | ||
| Case size | 51 mm | 49 mm |
| Weight | 89.2 g | 76 g |
| Thickness | 14.3 mm | 12.5 mm |
| Height | 51 mm | 49 mm |
| Width | 51 mm | 49 mm |
| Case material | Plastic / polymer | Stainless steel |
| Sapphire crystal | Yes | Yes |
| Lens / cover glass | Sapphire glass | Saphirglas Saphirglas |
| Strap material | — | Silikon |
| Water resistance | 10 ATM | 10 ATM |
| Water rating (maker) | — | 100 m / 10 bar / 10 ATM |
| Display | ||
| Screen size | 1.5″ | 1.5″ |
| Display technology | AMOLED | AMOLED |
| Panel | AMOLED | Farbdisplay |
| AMOLED / OLED display | Yes | Yes |
| Always-on display | — | Yes |
| Touchscreen | Yes | Yes |
| Resolution (width) | 480 px | 466 px |
| Resolution (height) | 480 px | 466 px |
| Pixel density | 322 ppi | 311 ppi |
| Peak brightness | 3,000 nits | — |
| LTPO display | — | Yes |
| Battery | ||
| Battery life (smartwatch mode) | 30 days | 18 days |
| GPS battery life | 40 h | 65 h |
| GPS battery life (dual-band) | 50 h | 55 h |
| Battery capacity | 870 mAh | — |
| Battery type | — | Li-Ion |
| Health sensors | ||
| Optical heart rate | Yes | Yes |
| Blood oxygen (SpO2) | Yes | Yes |
| Skin temperature | Yes | — |
| Temperature sensor | Yes | Yes |
| HRV tracking | — | Yes |
| Sleep tracking | Yes | Yes |
| Sensors | — | heart rate, barometer |
| Sports & navigation | ||
| Built-in GPS | Yes | Yes |
| Dual-band GPS | Yes | Yes |
| Satellite systems | — | GPS, GLONASS, GALILEO, BDS, QZSS |
| Offline maps | Yes | Yes |
| Barometric altimeter | Yes | Yes |
| Compass | Yes | Yes |
| Multisport / triathlon mode | — | Yes |
| Sport profiles | 180 | 95 |
| Dive mode | — | Yes |
| LED flashlight | Yes | — |
| Connectivity | ||
| Wi-Fi | Wi-Fi 4 | — |
| Bluetooth | 5.2 | — |
| Smart features | ||
| Calls from the wrist | Yes | — |
| Speaker | Yes | — |
| Microphone | Yes | — |
| Voice assistant | Yes | — |
| Music on the watch | Yes | — |
| Storage | — | 32 GB |
| Platform | ||
| Operating system | — | Suunto OS |
| Platform | Proprietary | Proprietary |
| Works with | Android, iOS | iOS, Android |
