vs
9.4Display2.2
6.0Battery life3.7
9.8Sports & outdoor5.0
4.5Build & durability3.5
Dimensions
Size comparison
Cheetah ProForerunner 255S
| Cheetah Pro | Forerunner 255S | Difference | |
|---|---|---|---|
| Height | 47 mm | 41 mm | +6 mm |
| Width | 47 mm | 41 mm | +6 mm |
| Thickness | 11.8 mm | 12.4 mm | −0.6 mm |
| Weight | 34 g | 39 g | −5 g |
Drawn to the same scale from the official dimensions (front and side).
Why is Cheetah Pro better than Forerunner 255S?
- GPS battery life44 h vs 26 h+69%
- AMOLED / OLED displayYes · Forerunner 255S: No
- Battery life (smartwatch mode)14 days vs 12 days+17%
- Sport profiles156 vs 582.7×
- Screen size1.45″ vs 1.1″+32%
- Resolution (width)480 px vs 218 px2.2×
- GPS battery life (dual-band)26 h vs 13 h2×
- Weight34 g vs 39 g+15%
- Pixel density331 ppi vs 198 ppi+67%
- Thickness11.8 mm vs 12.4 mm+5%
Why is Forerunner 255S better than Cheetah Pro?
Forerunner 255S has no measurable advantages in this pair.
Specifications
Side by side
| Design & durability | ||
| Case size | — | 41 mm |
| Weight | 34 g | 39 g |
| Thickness | 11.8 mm | 12.4 mm |
| Height | 47 mm | 41 mm |
| Width | 47 mm | 41 mm |
| Case material | Titanium | Plastic / polymer |
| Sapphire crystal | — | No |
| Lens / cover glass | Corning® Gorilla® Glass 3 + anti-fingerprint coating | Corning® Gorilla® Glass 3 |
| Strap material | — | silicone |
| Water resistance | 5 ATM | 5 ATM |
| Water rating (maker) | — | 5 ATM |
| Display | ||
| Screen size | 1.45″ | 1.1″ |
| Display technology | AMOLED | Memory-in-pixel (transflective) |
| Panel | AMOLED | Sunlight-visible, transflective memory-in-pixel |
| AMOLED / OLED display | Yes | No |
| Always-on display | — | Yes |
| Touchscreen | Yes | — |
| Resolution (width) | 480 px | 218 px |
| Resolution (height) | 480 px | 218 px |
| Pixel density | 331 ppi | 198 ppi |
| Battery | ||
| Battery life (smartwatch mode) | 14 days | 12 days |
| Battery saver mode | 24 days | — |
| GPS battery life | 44 h | 26 h |
| GPS battery life (dual-band) | 26 h | 13 h |
| Battery capacity | 440 mAh | — |
| Battery type | — | Lithium ion |
| Wireless charging | — | No |
| Charging | Magnetic charging base | Garmin proprietary plug charger |
| Health sensors | ||
| Optical heart rate | — | Yes |
| Blood oxygen (SpO2) | — | Yes |
| Temperature sensor | — | Yes |
| HRV tracking | — | Yes |
| Sleep tracking | Yes | 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 |
| Sports & navigation | ||
| Built-in GPS | Yes | Yes |
| Dual-band GPS | Yes | Yes |
| Satellite systems | — | GLONASS, GALILEO, BDS, QZSS |
| Barometric altimeter | — | Yes |
| Compass | — | Yes |
| Multisport / triathlon mode | — | Yes |
| Sport profiles | 156 | 58 |
| Connectivity | ||
| NFC payments | — | Yes |
| Wi-Fi | Wi-Fi 4 | — |
| Bluetooth | 5 | — |
| ANT+ sensors | — | Yes |
| Smart features | ||
| Calls from the wrist | Yes | — |
| Voice assistant | Yes | — |
| Music on the watch | Yes | — |
| Storage | — | 4 GB |
| Third-party apps | — | Yes |
| Platform | ||
| Operating system | — | Garmin OS |
| Platform | Proprietary | Proprietary |
| Works with | iOS, Android | iOS, Android |
