vs
5.3Display5.3
2.7Battery life2.9
4.9Health tracking4.9
3.2Sports & outdoor4.8
6.5Smart features6.5
3.9Build & durability3.1
Dimensions
Size comparison
Approach S50Forerunner 170 Music
| Approach S50 | Forerunner 170 Music | Difference | |
|---|---|---|---|
| Height | 43 mm | 42.6 mm | +0.4 mm |
| Width | 43 mm | 42.6 mm | +0.4 mm |
| Thickness | 11.4 mm | 11.9 mm | −0.5 mm |
| Weight | 29 g | 41 g | −12 g |
Drawn to the same scale from the official dimensions (front and side).
Why is Approach S50 better than Forerunner 170 Music?
- Weight29 g vs 41 g+41%
- Thickness11.4 mm vs 11.9 mm+4%
Why is Forerunner 170 Music better than Approach S50?
- GPS battery life15 h vs 20 h+33%
- Sport profiles46 vs 79+72%
Specifications
Side by side
| Design & durability | ||
| Case size | 43 mm | 43 mm |
| Weight | 29 g | 41 g |
| Thickness | 11.4 mm | 11.9 mm |
| Height | 43 mm | 42.6 mm |
| Width | 43 mm | 42.6 mm |
| Case material | Aluminium | Plastic / polymer |
| Sapphire crystal | No | No |
| Lens / cover glass | Corning ® Gorilla ® Glass 3 | chemically strengthened glass |
| Strap material | ComfortFit nylon band | silicone |
| Water resistance | 5 ATM | 5 ATM |
| Water rating (maker) | 5 ATM | 5 ATM |
| Display | ||
| Screen size | 1.2″ | 1.2″ |
| Display technology | AMOLED | AMOLED |
| Panel | AMOLED | AMOLED |
| AMOLED / OLED display | Yes | Yes |
| Always-on display | Yes | Yes |
| Touchscreen | Yes | Yes |
| Resolution (width) | 390 px | 390 px |
| Resolution (height) | 390 px | 390 px |
| Pixel density | 325 ppi | 325 ppi |
| Battery | ||
| Battery life (smartwatch mode) | 10 days | 10 days |
| Battery life with always-on display | — | 4 days |
| Battery saver mode | — | 19 days |
| GPS battery life | 15 h | 20 h |
| Battery type | — | 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 |
| HRV tracking | Yes | Yes |
| Sleep tracking | Yes | Yes |
| Sensors | GPS, GLONASS, Galileo, Elevate wrist heart rate monitor, Pulse Ox blood oxygen saturation monitor, Compass, Gyroscope, Accelerometer, Ambient light sensor | GPS, GLONASS, Galileo, 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 |
| Satellite systems | GLONASS, GALILEO | GLONASS, GALILEO |
| Barometric altimeter | — | Yes |
| Compass | Yes | Yes |
| Sport profiles | 46 | 79 |
| 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 | 4 GB |
| Third-party apps | Yes | Yes |
| Platform | ||
| Operating system | Garmin OS | Garmin OS |
| Platform | Proprietary | Proprietary |
| Works with | iOS, Android | iOS, Android |
