vs
2.4Display2.3
3.8Battery life3.5
3.7Build & durability4.3
Dimensions
Size comparison
Forerunner 55Pacer
| Forerunner 55 | Pacer | Difference | |
|---|---|---|---|
| Height | 42 mm | 45 mm | −3 mm |
| Width | 42 mm | 45 mm | −3 mm |
| Thickness | 11.6 mm | 11.5 mm | +0.1 mm |
| Weight | 37 g | 40 g | −3 g |
Drawn to the same scale from the official dimensions (front and side).
Why is Forerunner 55 better than Pacer?
- Battery life (smartwatch mode)14 days vs 6.5 days2.2×
- Weight37 g vs 40 g+8%
Why is Pacer better than Forerunner 55?
- GPS battery life20 h vs 32 h+60%
- Screen size1.04″ vs 1.2″+15%
- Resolution (width)208 px vs 240 px+15%
Specifications
Side by side
| Design & durability | ||
| Case size | 42 mm | 45 mm |
| Weight | 37 g | 40 g |
| Thickness | 11.6 mm | 11.5 mm |
| Height | 42 mm | 45 mm |
| Width | 42 mm | 45 mm |
| Case material | — | Plastic / polymer |
| Sapphire crystal | No | — |
| Lens / cover glass | chemically strengthened glass | — |
| Strap material | silicone | — |
| Water resistance | 5 ATM | 5 ATM |
| Water rating (maker) | 5 ATM | WR50 |
| Colours | — | Night Black, Purple Dusk, Cloud White |
| Display | ||
| Screen size | 1.04″ | 1.2″ |
| Display technology | Memory-in-pixel (transflective) | Memory-in-pixel (transflective) |
| Panel | Sunlight-visible, transflective memory-in-pixel | MIP |
| AMOLED / OLED display | No | No |
| Always-on display | Yes | Yes |
| Touchscreen | — | No |
| Resolution (width) | 208 px | 240 px |
| Resolution (height) | 208 px | 240 px |
| Pixel density | 200 ppi | 200 ppi |
| Battery | ||
| Battery life (smartwatch mode) | 14 days | 6.5 days |
| GPS battery life | 20 h | 32 h |
| Battery capacity | — | 265 mAh |
| Battery type | — | Li-Pol |
| Wireless charging | No | — |
| Charging | Garmin proprietary plug charger | — |
| Health sensors | ||
| Optical heart rate | Yes | Yes |
| Skin temperature | — | No |
| HRV tracking | — | Yes |
| Sleep tracking | Yes | Yes |
| Sensors | GPS, GLONASS, Galileo, Elevate wrist heart rate monitor, Accelerometer | Accelerometer |
| Sports & navigation | ||
| Built-in GPS | Yes | Yes |
| Satellite systems | GLONASS, GALILEO | — |
| Offline maps | — | No |
| Barometric altimeter | — | No |
| Compass | — | No |
| Sport profiles | 15 | — |
| LED flashlight | — | No |
| Connectivity | ||
| Bluetooth | — | 5.1 |
| ANT+ sensors | Yes | — |
| Smart features | ||
| Storage | 0.03 GB | — |
| Third-party apps | Yes | — |
| Platform | ||
| Operating system | Garmin OS | Polar OS |
| Platform | Proprietary | Proprietary |
| Works with | iOS, Android | — |
