vs
3.5Display2.1
Dimensions
Size comparison
Forerunner 255Elemnt Rival
| Forerunner 255 | Elemnt Rival | Difference | |
|---|---|---|---|
| Case size | 45.6 mm | 46.5 mm | −0.9 mm |
| Thickness | 12.9 mm | 15.3 mm | −2.4 mm |
Drawn to the same scale from the official dimensions (front and side).
Why is Forerunner 255 better than Elemnt Rival?
- Screen size1.3″ vs 1.2″+8%
- Thickness12.9 mm vs 15.3 mm+19%
- Resolution (width)260 px vs 240 px+8%
Why is Elemnt Rival better than Forerunner 255?
Elemnt Rival has no measurable advantages in this pair.
Specifications
Side by side
| Design & durability | ||
| Case size | 46 mm | 46 mm |
| Weight | 49 g | — |
| Thickness | 12.9 mm | 15.3 mm |
| Height | 45.6 mm | — |
| Width | 45.6 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 | 1.3″ | 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) | 260 px | 240 px |
| Resolution (height) | 260 px | 240 px |
| Pixel density | 200 ppi | — |
| Battery | ||
| Battery life (smartwatch mode) | 14 days | — |
| GPS battery life | 30 h | — |
| GPS battery life (dual-band) | 16 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 |
Related comparisons
vs
Garmin Forerunner 255vsDiesel Griffed Gen 64.23.7vs
Garmin Forerunner 255vsGarmin Forerunner 2654.24.8vs
Garmin Forerunner 255vsGarmin Forerunner 9654.26.0vs
Garmin Forerunner 255vsPolar Pacer Pro4.23.7vs
Garmin Forerunner 255vsAsus VivoWatch 54.23.8vs
Garmin Forerunner 255vsGarmin Forerunner 945 LTE4.24.4