vs
3.3Battery life5.3
4.9Health tracking4.9
4.3Sports & outdoor3.9
6.5Smart features6.5
Dimensions
Size comparison
Fenix 6S Pro and Sapphire EditionsForerunner 945
| Fenix 6S Pro and Sapphire Editions | Forerunner 945 | Difference | |
|---|---|---|---|
| Height | 42 mm | 47 mm | −5 mm |
| Width | 42 mm | 47 mm | −5 mm |
| Thickness | 13.8 mm | 13.7 mm | +0.1 mm |
| Weight | 61 g | 50 g | +11 g |
Drawn to the same scale from the official dimensions (front and side).
Why is Fenix 6S Pro and Sapphire Editions better than Forerunner 945?
- Sapphire crystalYes · Forerunner 945: No
- Storage32 GB vs 16 GB2×
- Sport profiles39 vs 31+26%
Why is Forerunner 945 better than Fenix 6S Pro and Sapphire Editions?
- Battery life (smartwatch mode)9 days vs 14 days+56%
- GPS battery life25 h vs 36 h+44%
- Weight61 g vs 50 g+22%
Specifications
Side by side
| Design & durability | ||
| Case size | 42 mm | 47 mm |
| Weight | 61 g | 50 g |
| Thickness | 13.8 mm | 13.7 mm |
| Height | 42 mm | 47 mm |
| Width | 42 mm | 47 mm |
| Case material | Stainless steel | Plastic / polymer |
| Sapphire crystal | Yes | No |
| Lens / cover glass | Corning® Gorilla® Glass DX or Sapphire Crystal | Corning® Gorilla® Glass 3 DX |
| Strap material | silicone, suede or nylon | silicone |
| Water resistance | — | 5 ATM |
| Water rating (maker) | — | 5 ATM |
| Display | ||
| Screen size | 1.2″ | 1.2″ |
| Display technology | — | Memory-in-pixel (transflective) |
| Panel | — | Sunlight-visible, transflective memory-in-pixel |
| AMOLED / OLED display | — | No |
| Always-on display | — | Yes |
| Resolution (width) | 240 px | 240 px |
| Resolution (height) | 240 px | 240 px |
| Pixel density | 200 ppi | 200 ppi |
| Battery | ||
| Battery life (smartwatch mode) | 9 days | 14 days |
| Battery saver mode | 34 days | — |
| GPS battery life | 25 h | 36 h |
| 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, Elevate wrist heart rate monitor, Pulse Ox blood oxygen saturation monitor, Barometric altimeter, Compass, Gyroscope, Accelerometer, Thermometer | GPS, GLONASS, Galileo, Elevate wrist heart rate monitor, Pulse Ox blood oxygen saturation monitor, Barometric altimeter, Compass, Gyroscope, Accelerometer, Thermometer |
| Sports & navigation | ||
| Built-in GPS | Yes | Yes |
| Satellite systems | GLONASS, GALILEO | GLONASS, GALILEO |
| Offline maps | Yes | Yes |
| Barometric altimeter | Yes | Yes |
| Compass | Yes | Yes |
| Multisport / triathlon mode | Yes | Yes |
| Sport profiles | 39 | 31 |
| Connectivity | ||
| NFC payments | Yes | Yes |
| Wi-Fi | Wi-Fi 4 | Wi-Fi 4 |
| ANT+ sensors | Yes | Yes |
| Smart features | ||
| Music on the watch | Yes | Yes |
| Storage | 32 GB | 16 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 Fenix 6S Pro and Sapphire EditionsvsPolar Vantage V24.64.0vs
Garmin Fenix 6S Pro and Sapphire EditionsvsSuunto 54.63.6
vsGarmin Fenix 6SvsGarmin Fenix 6S Pro and Sapphire Editions4.44.6
vs
Garmin Forerunner 745vsGarmin Forerunner 9453.84.4vs
Garmin Forerunner 945vsGarmin Forerunner 945 LTE4.44.4
vsGarmin Forerunner 55vsGarmin Forerunner 9453.64.4