vs
5.9Display5.6
5.6Battery life7.3
4.9Health tracking4.9
6.6Sports & outdoor6.6
5.6Build & durability5.4
Dimensions
Size comparison
Instinct 3 45mm AMOLEDInstinct 3 50mm AMOLED
| Instinct 3 45mm AMOLED | Instinct 3 50mm AMOLED | Difference | |
|---|---|---|---|
| Height | 45 mm | 50 mm | −5 mm |
| Width | 45 mm | 50 mm | −5 mm |
| Thickness | 14.9 mm | 14.4 mm | +0.5 mm |
| Weight | 53 g | 59 g | −6 g |
Drawn to the same scale from the official dimensions (front and side).
Why is Instinct 3 45mm AMOLED better than Instinct 3 50mm AMOLED?
- Weight53 g vs 59 g+11%
Why is Instinct 3 50mm AMOLED better than Instinct 3 45mm AMOLED?
- Battery life (smartwatch mode)18 days vs 24 days+33%
- GPS battery life32 h vs 40 h+25%
- Screen size1.2″ vs 1.3″+8%
- GPS battery life (dual-band)23 h vs 30 h+30%
- Battery life with always-on display7 days vs 9 days+29%
- Battery saver mode24 days vs 30 days+25%
- Resolution (width)390 px vs 416 px+7%
- Thickness14.9 mm vs 14.4 mm+3%
Specifications
Side by side
| Design & durability | ||
| Case size | 45 mm | 50 mm |
| Weight | 53 g | 59 g |
| Thickness | 14.9 mm | 14.4 mm |
| Height | 45 mm | 50 mm |
| Width | 45 mm | 50 mm |
| Case material | Aluminium | Aluminium |
| Sapphire crystal | No | No |
| Lens / cover glass | Chemically Strengthened Glass | Chemically Strengthened Glass |
| Strap material | silicone | silicone |
| Water resistance | 10 ATM | 10 ATM |
| Water rating (maker) | 10 ATM | 10 ATM |
| Display | ||
| Screen size | 1.2″ | 1.3″ |
| Display technology | AMOLED | AMOLED |
| Panel | AMOLED | AMOLED |
| AMOLED / OLED display | Yes | Yes |
| Always-on display | Yes | Yes |
| Resolution (width) | 390 px | 416 px |
| Resolution (height) | 390 px | 416 px |
| Pixel density | 325 ppi | 320 ppi |
| Battery | ||
| Battery life (smartwatch mode) | 18 days | 24 days |
| Battery life with always-on display | 7 days | 9 days |
| Battery saver mode | 24 days | 30 days |
| GPS battery life | 32 h | 40 h |
| GPS battery life (dual-band) | 23 h | 30 h |
| Battery type | Lithium ion | Lithium ion |
| Wireless charging | No | No |
| Charging | Garmin proprietary plug charger | Garmin proprietary plug charger |
| Health sensors | ||
| Optical heart rate | Yes | Yes |
| Blood oxygen (SpO2) | Yes | Yes |
| Temperature sensor | Yes | Yes |
| HRV tracking | Yes | 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 | GPS, GLONASS, Galileo, QZSS, BeiDou, SatIQ technology, Elevate wrist heart rate monitor, Pulse Ox blood oxygen saturation monitor, Barometric altimeter, Compass, Gyroscope, Accelerometer, Thermometer |
| Sports & navigation | ||
| Built-in GPS | Yes | Yes |
| Dual-band GPS | Yes | Yes |
| Satellite systems | GLONASS, GALILEO, BDS, QZSS | GLONASS, GALILEO, BDS, QZSS |
| Barometric altimeter | Yes | Yes |
| Compass | Yes | Yes |
| Multisport / triathlon mode | Yes | Yes |
| Sport profiles | 96 | 96 |
| LED flashlight | Yes | Yes |
| Connectivity | ||
| NFC payments | Yes | Yes |
| ANT+ sensors | Yes | Yes |
| Smart features | ||
| Storage | 4 GB | 4 GB |
| Third-party apps | Yes | Yes |
| Platform | ||
| Operating system | Garmin OS | Garmin OS |
| Platform | Proprietary | Proprietary |
| Works with | iOS, Android | iOS, Android |
Related comparisons
vs
Garmin Instinct 3 50mm SolarvsGarmin Instinct 3 45mm AMOLED6.96.7vs
Garmin Instinct 3 45mm AMOLEDvsLotus Hybrid CONNECTED 20002vs
Garmin Instinct 3 45mm AMOLEDvsJames R9vs
Garmin Instinct 3 45mm AMOLEDvsRadley RYS08-2088vs
Garmin Instinct 3 45mm AMOLEDvsRadley RYS08
vs
Garmin Instinct 3 50mm AMOLEDvsGarmin Instinct 3 50mm AMOLED Tactical Edition7.57.5