vs
8.7Display5.6
8.2Battery life7.3
9.6Health tracking4.9
9.5Sports & outdoor6.8
9.0Build & durability5.4
Dimensions
Size comparison
T-Rex Dual SolarInstinct 3 50mm AMOLED Tactical Edition
| T-Rex Dual Solar | Instinct 3 50mm AMOLED Tactical Edition | Difference | |
|---|---|---|---|
| Height | 51.4 mm | 50 mm | +1.4 mm |
| Width | 51.4 mm | 50 mm | +1.4 mm |
| Thickness | 14.5 mm | 14.4 mm | +0.1 mm |
| Weight | 69 g | 59 g | +10 g |
Drawn to the same scale from the official dimensions (front and side).
Why is T-Rex Dual Solar better than Instinct 3 50mm AMOLED Tactical Edition?
- Battery life (smartwatch mode)25 days vs 24 days+4%
- Sapphire crystalYes · Instinct 3 50mm AMOLED Tactical Edition: No
- Sport profiles180 vs 97+86%
- GPS battery life (dual-band)41 h vs 30 h+37%
- Resolution (width)466 px vs 416 px+12%
- Pixel density353 ppi vs 320 ppi+10%
Why is Instinct 3 50mm AMOLED Tactical Edition better than T-Rex Dual Solar?
- Weight69 g vs 59 g+17%
Specifications
Side by side
| Design & durability | ||
| Case size | — | 50 mm |
| Weight | 69 g | 59 g |
| Thickness | 14.5 mm | 14.4 mm |
| Height | 51.4 mm | 50 mm |
| Width | 51.4 mm | 50 mm |
| Case material | Titanium | Aluminium |
| Sapphire crystal | Yes | No |
| Lens / cover glass | Sapphire glass | Chemically Strengthened Glass |
| Strap material | — | silicone |
| Water resistance | 10 ATM | 10 ATM |
| Water rating (maker) | — | 10 ATM |
| Display | ||
| Screen size | 1.32″ | 1.3″ |
| Display technology | AMOLED | AMOLED |
| Panel | AMOLED | AMOLED |
| AMOLED / OLED display | Yes | Yes |
| Always-on display | — | Yes |
| Touchscreen | Yes | — |
| Resolution (width) | 466 px | 416 px |
| Resolution (height) | 466 px | 416 px |
| Pixel density | 353 ppi | 320 ppi |
| Peak brightness | 3,000 nits | — |
| Battery | ||
| Battery life (smartwatch mode) | 25 days | 24 days |
| Battery life with always-on display | — | 9 days |
| Battery saver mode | — | 30 days |
| GPS battery life | — | 40 h |
| GPS battery life (dual-band) | 41 h | 30 h |
| Battery capacity | 660 mAh | — |
| Battery type | — | Lithium ion |
| Solar charging | Yes | — |
| Wireless charging | — | No |
| Charging | — | Garmin proprietary plug charger |
| 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 | — | GPS, GLONASS, Galileo, QZSS, BeiDou, SatIQ technology, Elevate wrist heart rate monitor, Pulse Ox blood oxygen saturation monitor, Barometric altimeter, Compass, Gyroscope, Accelerometer, Thermometer, Ambient light sensor |
| Sports & navigation | ||
| Built-in GPS | Yes | Yes |
| Dual-band GPS | Yes | Yes |
| Satellite systems | — | GLONASS, GALILEO, BDS, QZSS |
| Offline maps | Yes | — |
| Barometric altimeter | Yes | Yes |
| Compass | Yes | Yes |
| Multisport / triathlon mode | — | Yes |
| Sport profiles | 180 | 97 |
| LED flashlight | Yes | Yes |
| Connectivity | ||
| NFC payments | — | Yes |
| Wi-Fi | Wi-Fi 4 | — |
| Bluetooth | 5.2 | — |
| ANT+ sensors | — | Yes |
| Smart features | ||
| Calls from the wrist | Yes | — |
| Speaker | Yes | — |
| Microphone | Yes | — |
| Voice assistant | Yes | — |
| Music on the watch | Yes | — |
| Storage | — | 4 GB |
| Third-party apps | — | Yes |
| Platform | ||
| Operating system | — | Garmin OS |
| Platform | Proprietary | Proprietary |
| Works with | — | iOS, Android |
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Garmin Instinct 3 50mm AMOLEDvsGarmin Instinct 3 50mm AMOLED Tactical Edition7.57.5