vs
2.2Display5.0
3.7Battery life3.9
4.9Health tracking4.9
5.0Sports & outdoor5.0
6.5Smart features6.5
3.5Build & durability3.5
Dimensions
Size comparison
Forerunner 255S MusicForerunner 265S
| Forerunner 255S Music | Forerunner 265S | Difference | |
|---|---|---|---|
| Height | 41 mm | 41.7 mm | −0.7 mm |
| Width | 41 mm | 41.7 mm | −0.7 mm |
| Thickness | 12.4 mm | 12.9 mm | −0.5 mm |
| Weight | 39 g | 39 g | = |
Drawn to the same scale from the official dimensions (front and side).
Why is Forerunner 255S Music better than Forerunner 265S?
- GPS battery life26 h vs 24 h+8%
- Thickness12.4 mm vs 12.9 mm+4%
Why is Forerunner 265S better than Forerunner 255S Music?
- Battery life (smartwatch mode)12 days vs 15 days+25%
- AMOLED / OLED displayNo · Forerunner 255S Music: Yes
- Storage4 GB vs 8 GB2×
- Pixel density198 ppi vs 327 ppi+65%
- Resolution (width)218 px vs 360 px+65%
- GPS battery life (dual-band)13 h vs 15 h+15%
Specifications
Side by side
| Design & durability | ||
| Case size | 41 mm | 42 mm |
| Weight | 39 g | 39 g |
| Thickness | 12.4 mm | 12.9 mm |
| Height | 41 mm | 41.7 mm |
| Width | 41 mm | 41.7 mm |
| Case material | Plastic / polymer | Plastic / polymer |
| Sapphire crystal | No | No |
| Lens / cover glass | Corning® Gorilla® Glass 3 | Corning® Gorilla® Glass 3 |
| Strap material | silicone | silicone |
| Water resistance | 5 ATM | 5 ATM |
| Water rating (maker) | 5 ATM | 5 ATM |
| Display | ||
| Screen size | 1.1″ | 1.1″ |
| Display technology | Memory-in-pixel (transflective) | AMOLED |
| Panel | Sunlight-visible, transflective memory-in-pixel | AMOLED |
| AMOLED / OLED display | No | Yes |
| Always-on display | Yes | Yes |
| Touchscreen | — | Yes |
| Resolution (width) | 218 px | 360 px |
| Resolution (height) | 218 px | 360 px |
| Pixel density | 198 ppi | 327 ppi |
| Battery | ||
| Battery life (smartwatch mode) | 12 days | 15 days |
| GPS battery life | 26 h | 24 h |
| GPS battery life (dual-band) | 13 h | 15 h |
| Battery type | Lithium ion | Lithium ion |
| Wireless charging | No | No |
| Charging | Garmin proprietary plug charger | Garmin proprietary plug charger |
| Health sensors | ||
| Optical heart rate | Yes | Yes |
| Blood oxygen (SpO2) | Yes | Yes |
| Temperature sensor | Yes | Yes |
| HRV tracking | Yes | 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 | GPS, GLONASS, Galileo, QZSS, BeiDou, SatIQ technology, Elevate wrist heart rate monitor, Pulse Ox blood oxygen saturation monitor, Barometric altimeter, Compass, Gyroscope, Accelerometer, Thermometer, Ambient light sensor |
| Sports & navigation | ||
| Built-in GPS | Yes | Yes |
| Dual-band GPS | Yes | Yes |
| Satellite systems | GLONASS, GALILEO, BDS, QZSS | GLONASS, GALILEO, BDS, QZSS |
| Barometric altimeter | Yes | Yes |
| Compass | Yes | Yes |
| Multisport / triathlon mode | Yes | Yes |
| Sport profiles | 58 | 58 |
| Connectivity | ||
| NFC payments | Yes | Yes |
| Wi-Fi | Wi-Fi 4 | Wi-Fi 4 |
| ANT+ sensors | Yes | Yes |
| Smart features | ||
| Music on the watch | Yes | Yes |
| Storage | 4 GB | 8 GB |
| Third-party apps | Yes | Yes |
| Platform | ||
| Operating system | Garmin OS | Garmin OS |
| Platform | Proprietary | Proprietary |
| Works with | iOS, Android | iOS, Android |
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