vs
2.9Display8.3
5.3Battery life5.2
4.9Health tracking8.3
3.9Sports & outdoor2.9
2.6Build & durability3.8
Dimensions
Size comparison
Forerunner 945Vantage V3
| Forerunner 945 | Vantage V3 | Difference | |
|---|---|---|---|
| Height | 47 mm | 47.3 mm | −0.3 mm |
| Width | 47 mm | 47.3 mm | −0.3 mm |
| Thickness | 13.7 mm | 13.5 mm | +0.2 mm |
| Weight | 50 g | 57 g | −7 g |
Drawn to the same scale from the official dimensions (front and side).
Why is Forerunner 945 better than Vantage V3?
- Battery life (smartwatch mode)14 days vs 11 days+27%
- Weight50 g vs 57 g+14%
Why is Vantage V3 better than Forerunner 945?
- AMOLED / OLED displayNo · Forerunner 945: Yes
- GPS battery life36 h vs 42 h+17%
- Storage16 GB vs 32 GB2×
- Screen size1.2″ vs 1.39″+16%
- Resolution (width)240 px vs 454 px+89%
- Pixel density200 ppi vs 327 ppi+64%
Specifications
Side by side
| Design & durability | ||
| Case size | 47 mm | 47 mm |
| Weight | 50 g | 57 g |
| Thickness | 13.7 mm | 13.5 mm |
| Height | 47 mm | 47.3 mm |
| Width | 47 mm | 47.3 mm |
| Case material | Plastic / polymer | Aluminium |
| Sapphire crystal | No | — |
| Lens / cover glass | Corning® Gorilla® Glass 3 DX | — |
| Strap material | silicone | — |
| Water resistance | 5 ATM | 5 ATM |
| Water rating (maker) | 5 ATM | WR50 |
| Colours | — | Sunrise Apricot, Orange, Night Black, Sky Blue |
| Display | ||
| Screen size | 1.2″ | 1.39″ |
| Display technology | Memory-in-pixel (transflective) | AMOLED |
| Panel | Sunlight-visible, transflective memory-in-pixel | AMOLED |
| AMOLED / OLED display | No | Yes |
| Always-on display | Yes | — |
| Touchscreen | — | Yes |
| Resolution (width) | 240 px | 454 px |
| Resolution (height) | 240 px | 454 px |
| Pixel density | 200 ppi | 327 ppi |
| Battery | ||
| Battery life (smartwatch mode) | 14 days | 11 days |
| GPS battery life | 36 h | 42 h |
| Battery capacity | — | 488 mAh |
| Battery type | — | Li-Pol |
| Wireless charging | No | — |
| Charging | Garmin proprietary plug charger | — |
| 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 | GPS, GLONASS, Galileo, Elevate wrist heart rate monitor, Pulse Ox blood oxygen saturation monitor, Barometric altimeter, Compass, Gyroscope, Accelerometer, Thermometer | Barometer, Magnetometer compass, Accelerometer, Gyroscope |
| Sports & navigation | ||
| Built-in GPS | Yes | Yes |
| Satellite systems | GLONASS, GALILEO | — |
| Offline maps | Yes | Yes |
| Barometric altimeter | Yes | Yes |
| Compass | Yes | Yes |
| Multisport / triathlon mode | Yes | — |
| Sport profiles | 31 | — |
| LED flashlight | — | No |
| Connectivity | ||
| NFC payments | Yes | — |
| Wi-Fi | Wi-Fi 4 | — |
| Bluetooth | — | 5.1 |
| ANT+ sensors | Yes | — |
| Smart features | ||
| Music on the watch | Yes | — |
| Storage | 16 GB | 32 GB |
| Third-party apps | Yes | — |
| Platform | ||
| Operating system | Garmin OS | Polar OS |
| Platform | Proprietary | Proprietary |
| Works with | iOS, Android | Android, iOS |
