vs
2.2Display2.1
Dimensions
Size comparison
Forerunner 255SElemnt Rival
| Forerunner 255S | Elemnt Rival | Difference | |
|---|---|---|---|
| Case size | 41 mm | 46.5 mm | −5.5 mm |
| Thickness | 12.4 mm | 15.3 mm | −2.9 mm |
Drawn to the same scale from the official dimensions (front and side).
Why is Forerunner 255S better than Elemnt Rival?
- Thickness12.4 mm vs 15.3 mm+23%
Why is Elemnt Rival better than Forerunner 255S?
- Screen size1.1″ vs 1.2″+9%
- Resolution (width)218 px vs 240 px+10%
Specifications
Side by side
| Design & durability | ||
| Case size | 41 mm | 46 mm |
| Weight | 39 g | — |
| Thickness | 12.4 mm | 15.3 mm |
| Height | 41 mm | — |
| Width | 41 mm | — |
| Case material | Plastic / polymer | Plastic / polymer |
| Sapphire crystal | No | — |
| Lens / cover glass | Corning® Gorilla® Glass 3 | Gorilla Glas |
| Strap material | silicone | Silikon |
| Water resistance | 5 ATM | 5 ATM |
| Water rating (maker) | 5 ATM | 50 m / 5 ATM |
| Colours | — | Black |
| Display | ||
| Screen size | 1.1″ | 1.2″ |
| Display technology | Memory-in-pixel (transflective) | — |
| Panel | Sunlight-visible, transflective memory-in-pixel | — |
| AMOLED / OLED display | No | No |
| Always-on display | Yes | — |
| Resolution (width) | 218 px | 240 px |
| Resolution (height) | 218 px | 240 px |
| Pixel density | 198 ppi | — |
| Battery | ||
| Battery life (smartwatch mode) | 12 days | — |
| GPS battery life | 26 h | — |
| GPS battery life (dual-band) | 13 h | — |
| Battery type | Lithium ion | Li-Po |
| Wireless charging | No | — |
| Charging | Garmin proprietary plug charger | — |
| Health sensors | ||
| Optical heart rate | Yes | — |
| Blood oxygen (SpO2) | Yes | — |
| Temperature sensor | Yes | — |
| HRV tracking | Yes | — |
| Sleep tracking | Yes | — |
| Sensors | GPS, GLONASS, Galileo, QZSS, BeiDou, SatIQ technology, Elevate wrist heart rate monitor, Pulse Ox blood oxygen saturation monitor, Barometric altimeter, Compass, Gyroscope, Accelerometer, Thermometer | accelerometer, ambient light |
| Sports & navigation | ||
| Built-in GPS | Yes | Yes |
| Dual-band GPS | Yes | — |
| Satellite systems | GLONASS, GALILEO, BDS, QZSS | GPS, GLONASS |
| Barometric altimeter | Yes | — |
| Compass | Yes | — |
| Multisport / triathlon mode | Yes | — |
| Sport profiles | 58 | — |
| Connectivity | ||
| NFC payments | Yes | — |
| ANT+ sensors | Yes | — |
| Smart features | ||
| Storage | 4 GB | — |
| Third-party apps | Yes | — |
| Platform | ||
| Operating system | Garmin OS | — |
| Platform | Proprietary | — |
| Works with | iOS, Android | iOS, Android |
