Dimensions
Size comparison
Grit X2Race 3S
| Grit X2 | Race 3S | Difference | |
|---|---|---|---|
| Height | 44.7 mm | 46 mm | −1.3 mm |
| Width | 44.7 mm | 46 mm | −1.3 mm |
| Thickness | 12.5 mm | 11.4 mm | +1.1 mm |
| Weight | 62 g | 56 g | +6 g |
Drawn to the same scale from the official dimensions (front and side).
Why is Grit X2 better than Race 3S?
Grit X2 has no measurable advantages in this pair.
Why is Race 3S better than Grit X2?
- Battery life (smartwatch mode)8 days vs 12 days+50%
- Storage32 GB vs 64 GB2×
- Weight62 g vs 56 g+11%
- Screen size1.28″ vs 1.32″+3%
- Resolution (width)416 px vs 466 px+12%
- Thickness12.5 mm vs 11.4 mm+10%
- Pixel density325 ppi vs 353 ppi+9%
Specifications
Side by side
| Design & durability | ||
| Case size | 45 mm | 46 mm |
| Weight | 62 g | 56 g |
| Thickness | 12.5 mm | 11.4 mm |
| Height | 44.7 mm | 46 mm |
| Width | 44.7 mm | 46 mm |
| Case material | Stainless steel | Titanium |
| Sapphire crystal | — | Yes |
| Lens / cover glass | — | Sapphire crystal |
| Strap material | — | Silicone |
| Water resistance | 5 ATM | 5 ATM |
| Water rating (maker) | WR50 | 50 m |
| Military-grade (MIL-STD-810) | Yes | — |
| Colours | Brown Copper, Night Black | — |
| Display | ||
| Screen size | 1.28″ | 1.32″ |
| Display technology | AMOLED | AMOLED |
| Panel | AMOLED | AMOLED |
| AMOLED / OLED display | Yes | Yes |
| Always-on display | — | Yes |
| Touchscreen | Yes | Yes |
| Resolution (width) | 416 px | 466 px |
| Resolution (height) | 416 px | 466 px |
| Pixel density | 325 ppi | 353 ppi |
| Battery | ||
| Battery life (smartwatch mode) | 8 days | 12 days |
| GPS battery life | 25 h | — |
| Battery capacity | 310 mAh | — |
| Battery type | Li-Pol | rechargeable lithium-ion |
| Health sensors | ||
| Optical heart rate | Yes | Yes |
| Blood oxygen (SpO2) | Yes | Yes |
| ECG | Yes | — |
| Skin temperature | Yes | — |
| Temperature sensor | Yes | Yes |
| HRV tracking | Yes | Yes |
| Sleep tracking | Yes | Yes |
| Sensors | Barometer, Magnetometer compass, Accelerometer, Gyroscope | Optical HR, Barometer, Compass, Thermometer |
| Sports & navigation | ||
| Built-in GPS | Yes | Yes |
| Dual-band GPS | — | Yes |
| Satellite systems | — | GPS, GLONASS, GALILEO, BDS, QZSS |
| Offline maps | Yes | Yes |
| Barometric altimeter | Yes | Yes |
| Compass | Yes | Yes |
| Multisport / triathlon mode | — | Yes |
| Dive mode | — | Yes |
| LED flashlight | No | — |
| Smart features | ||
| Music on the watch | — | Yes |
| Storage | 32 GB | 64 GB |
| Platform | ||
| Operating system | Polar OS | Suunto OS |
| Platform | Proprietary | Proprietary |
| Works with | — | iOS, Android |
