vs
9.6Display2.6
8.6Build & durability4.5
Dimensions
Size comparison
T-Rex ProApproach S12
| T-Rex Pro | Approach S12 | Difference | |
|---|---|---|---|
| Case size | 47.7 mm | 43.7 mm | +4 mm |
| Thickness | 13.5 mm | 11.5 mm | +2 mm |
| Weight | 59 g | 34 g | +25 g |
Drawn to the same scale from the official dimensions (front and side).
Why is T-Rex Pro better than Approach S12?
- Water resistance10 ATM vs 5 ATM2×
- AMOLED / OLED displayYes · Approach S12: No
- Screen size2″ vs 1.27″+57%
- Resolution (width)800 px vs 176 px4.5×
- Pixel density598 ppi vs 139 ppi4.3×
- Sport profiles120 vs 1120×
Why is Approach S12 better than T-Rex Pro?
- Weight59.4 g vs 34.1 g+74%
- Thickness13.5 mm vs 11.5 mm+17%
Specifications
Side by side
| Design & durability | ||
| Case size | 48 mm | 44 mm |
| Weight | 59.4 g | 34.1 g |
| Thickness | 13.5 mm | 11.5 mm |
| Height | — | 43.7 mm |
| Width | — | 43.7 mm |
| Strap material | — | silicone |
| Water resistance | 10 ATM | 5 ATM |
| Water rating (maker) | — | 5 ATM |
| Military-grade (MIL-STD-810) | Yes | — |
| Display | ||
| Screen size | 2″ | 1.27″ |
| Display technology | AMOLED | Memory-in-pixel (transflective) |
| Panel | AMOLED | Sunlight-visible, transflective memory-in-pixel |
| AMOLED / OLED display | Yes | No |
| Always-on display | — | Yes |
| Touchscreen | Yes | — |
| Resolution (width) | 800 px | 176 px |
| Resolution (height) | 890 px | 176 px |
| Pixel density | 598 ppi | 139 ppi |
| Battery | ||
| Battery life (smartwatch mode) | — | 70 days |
| GPS battery life | — | 30 h |
| Battery capacity | 390 mAh | — |
| Wireless charging | — | No |
| Charging | — | Garmin proprietary plug charger |
| Health sensors | ||
| Optical heart rate | Yes | — |
| Blood oxygen (SpO2) | Yes | — |
| Sleep tracking | Yes | — |
| Sensors | — | GPS |
| Sports & navigation | ||
| Built-in GPS | Yes | Yes |
| Dual-band GPS | Yes | — |
| Offline maps | Yes | — |
| Barometric altimeter | Yes | — |
| Compass | Yes | — |
| Sport profiles | 120 | 1 |
| Connectivity | ||
| NFC payments | Yes | — |
| Bluetooth | 5 | — |
| Smart features | ||
| Voice assistant | Yes | — |
| Storage | — | 0.12 GB |
| Platform | ||
| Operating system | — | Garmin OS |
| Platform | Proprietary | Proprietary |
| Works with | — | iOS, Android |
