vs
2.4Display2.0
2.1Battery life2.3
3.9Build & durability2.2
Dimensions
Size comparison
Forerunner 455 PEAK
| Forerunner 45 | 5 PEAK | Difference | |
|---|---|---|---|
| Height | 42 mm | 43 mm | −1 mm |
| Width | 42 mm | 43 mm | −1 mm |
| Thickness | 11.4 mm | 12.9 mm | −1.5 mm |
| Weight | 32 g | 39 g | −7 g |
Drawn to the same scale from the official dimensions (front and side).
Why is Forerunner 45 better than 5 PEAK?
- Water resistance5 ATM vs 3 ATM+67%
- Weight32 g vs 39 g+22%
- Thickness11.4 mm vs 12.9 mm+13%
Why is 5 PEAK better than Forerunner 45?
- GPS battery life13 h vs 20 h+54%
- Sport profiles9 vs 808.9×
- Screen size1.04″ vs 1.1″+6%
- Resolution (width)208 px vs 218 px+5%
Specifications
Side by side
| Design & durability | ||
| Case size | 42 mm | 43 mm |
| Weight | 32 g | 39 g |
| Thickness | 11.4 mm | 12.9 mm |
| Height | 42 mm | 43 mm |
| Width | 42 mm | 43 mm |
| Case material | — | Stainless steel |
| Sapphire crystal | No | — |
| Lens / cover glass | chemically strengthened glass | Plastic |
| Strap material | silicone | Silicone |
| Water resistance | 5 ATM | 3 ATM |
| Water rating (maker) | 5 ATM | 30 m |
| Display | ||
| Screen size | 1.04″ | 1.1″ |
| Display technology | Memory-in-pixel (transflective) | Memory-in-pixel (transflective) |
| Panel | Sunlight-visible, transflective memory-in-pixel | — |
| AMOLED / OLED display | No | No |
| Always-on display | Yes | — |
| Resolution (width) | 208 px | 218 px |
| Resolution (height) | 208 px | 218 px |
| Pixel density | 200 ppi | 198 ppi |
| Battery | ||
| Battery life (smartwatch mode) | 7 days | 7 days |
| GPS battery life | 13 h | 20 h |
| Battery type | — | rechargeable lithium-ion |
| Wireless charging | No | — |
| Charging | Garmin proprietary plug charger | — |
| Health sensors | ||
| Optical heart rate | Yes | Yes |
| Sleep tracking | Yes | Yes |
| Sensors | GPS, GLONASS, Galileo, Elevate wrist heart rate monitor, Accelerometer | Optical HR |
| Sports & navigation | ||
| Built-in GPS | Yes | Yes |
| Dual-band GPS | — | No |
| Satellite systems | GLONASS, GALILEO | GPS, GLONASS, Galileo, BeiDou, QZSS |
| Multisport / triathlon mode | — | Yes |
| Sport profiles | 9 | 80 |
| Smart features | ||
| Third-party apps | Yes | — |
| Platform | ||
| Operating system | Garmin OS | Suunto OS |
| Platform | Proprietary | Proprietary |
| Works with | iOS, Android | Android, iOS |
