vs
3.3Battery life5.2
4.9Health tracking4.9
3.3Sports & outdoor5.2
2.2Smart features9.8
Dimensions
Size comparison
Fenix 6SForerunner 945 LTE
| Fenix 6S | Forerunner 945 LTE | Difference | |
|---|---|---|---|
| Height | 42 mm | 44.4 mm | −2.4 mm |
| Width | 42 mm | 44.4 mm | −2.4 mm |
| Thickness | 13.8 mm | 13.9 mm | −0.1 mm |
| Weight | 58 g | 49 g | +9 g |
Drawn to the same scale from the official dimensions (front and side).
Why is Fenix 6S better than Forerunner 945 LTE?
Fenix 6S has no measurable advantages in this pair.
Why is Forerunner 945 LTE better than Fenix 6S?
- Battery life (smartwatch mode)9 days vs 14 days+56%
- GPS battery life25 h vs 35 h+40%
- Storage0.06 GB vs 16 GB266.7×
- Weight58 g vs 49 g+18%
- Sport profiles39 vs 60+54%
Specifications
Side by side
| Design & durability | ||
| Case size | 42 mm | 44 mm |
| Weight | 58 g | 49 g |
| Thickness | 13.8 mm | 13.9 mm |
| Height | 42 mm | 44.4 mm |
| Width | 42 mm | 44.4 mm |
| Case material | Stainless steel | Plastic / polymer |
| Sapphire crystal | No | No |
| Lens / cover glass | Corning® Gorilla® Glass DX | Corning® Gorilla® Glass 3 DX |
| Strap material | silicone | 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 | 35 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 |
| Barometric altimeter | Yes | Yes |
| Compass | Yes | Yes |
| Multisport / triathlon mode | Yes | Yes |
| Sport profiles | 39 | 60 |
| Connectivity | ||
| NFC payments | Yes | Yes |
| LTE (cellular) | — | Yes |
| Wi-Fi | — | Wi-Fi 4 |
| ANT+ sensors | Yes | Yes |
| Smart features | ||
| Music on the watch | Yes | Yes |
| Storage | 0.06 GB | 16 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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