vs
2.6Display4.0
7.6Battery life8.8
4.9Health tracking4.9
6.2Sports & outdoor6.2
5.8Build & durability5.5
Dimensions
Size comparison
Instinct 3 45mm SolarInstinct 3 50mm Solar
| Instinct 3 45mm Solar | Instinct 3 50mm Solar | 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 | 52 g | 58 g | −6 g |
Drawn to the same scale from the official dimensions (front and side).
Why is Instinct 3 45mm Solar better than Instinct 3 50mm Solar?
- Weight52 g vs 58 g+12%
- Pixel density139 ppi vs 113 ppi+23%
Why is Instinct 3 50mm Solar better than Instinct 3 45mm Solar?
- Battery life (smartwatch mode)28 days vs 40 days+43%
- GPS battery life40 h vs 60 h+50%
- Screen size1.27″ vs 1.56″+23%
- Battery saver mode65 days vs 100 days+54%
- GPS battery life (dual-band)24 h vs 34 h+42%
- Thickness14.9 mm vs 14.4 mm+3%
Specifications
Side by side
| Design & durability | ||
| Case size | 45 mm | 50 mm |
| Weight | 52 g | 58 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 | Power Glass™ | Power Glass™ |
| Strap material | silicone | silicone |
| Water resistance | 10 ATM | 10 ATM |
| Water rating (maker) | 10 ATM | 10 ATM |
| Display | ||
| Screen size | 1.27″ | 1.56″ |
| Display technology | Memory-in-pixel (transflective) | Memory-in-pixel (transflective) |
| Panel | Monochrome, sunlight-visible, transflective memory-in-pixel | Monochrome, sunlight-visible, transflective memory-in-pixel |
| AMOLED / OLED display | No | No |
| Always-on display | Yes | Yes |
| Resolution (width) | 176 px | 176 px |
| Resolution (height) | 176 px | 176 px |
| Pixel density | 139 ppi | 113 ppi |
| Battery | ||
| Battery life (smartwatch mode) | 28 days | 40 days |
| Battery saver mode | 65 days | 100 days |
| GPS battery life | 40 h | 60 h |
| GPS battery life (dual-band) | 24 h | 34 h |
| Battery type | Lithium ion | Lithium ion |
| Solar charging | Yes | Yes |
| 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, SatIQ technology, Elevate wrist heart rate monitor, Pulse Ox blood oxygen saturation monitor, Barometric altimeter, Compass, Gyroscope, Accelerometer, Thermometer | GPS, GLONASS, Galileo, 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 | GLONASS, GALILEO |
| Barometric altimeter | Yes | Yes |
| Compass | Yes | Yes |
| Multisport / triathlon mode | Yes | Yes |
| Sport profiles | 94 | 94 |
| LED flashlight | Yes | Yes |
| Connectivity | ||
| NFC payments | Yes | Yes |
| ANT+ sensors | Yes | Yes |
| Smart features | ||
| Storage | 0.12 GB | 0.12 GB |
| Third-party apps | Yes | Yes |
| Platform | ||
| Operating system | Garmin OS | Garmin OS |
| Platform | Proprietary | Proprietary |
| Works with | iOS, Android | iOS, Android |
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