vs
3.8Display6.8
6.4Battery life3.1
4.9Health tracking4.9
6.0Sports & outdoor5.6
6.5Smart features6.5
Dimensions
Size comparison
Forerunner 955Pro 3 Ultra
| Forerunner 955 | Pro 3 Ultra | Difference | |
|---|---|---|---|
| Height | 46.5 mm | 47 mm | −0.5 mm |
| Width | 46.5 mm | 48 mm | −1.5 mm |
| Thickness | 14.4 mm | 12.2 mm | +2.2 mm |
| Weight | 52 g | 41 g | +11 g |
Drawn to the same scale from the official dimensions (front and side).
Why is Forerunner 955 better than Pro 3 Ultra?
- Battery life (smartwatch mode)15 days vs 3 days5×
- Storage32 GB vs 8 GB4×
Why is Pro 3 Ultra better than Forerunner 955?
- AMOLED / OLED displayNo · Forerunner 955: Yes
- Weight52 g vs 41 g+27%
- Screen size1.3″ vs 1.4″+8%
- Resolution (width)260 px vs 454 px+75%
- Thickness14.4 mm vs 12.2 mm+18%
Specifications
Side by side
| Design & durability | ||
| Case size | 46 mm | — |
| Weight | 52 g | 41 g |
| Thickness | 14.4 mm | 12.2 mm |
| Height | 46.5 mm | 47 mm |
| Width | 46.5 mm | 48 mm |
| Case material | Plastic / polymer | Stainless steel |
| Sapphire crystal | No | — |
| Lens / cover glass | Corning® Gorilla® Glass 3 DX | Gorillaglas |
| Strap material | silicone | Kautschuk |
| Water resistance | 5 ATM | — |
| Water rating (maker) | 5 ATM | — |
| Colours | — | Black |
| Display | ||
| Screen size | 1.3″ | 1.4″ |
| Display technology | Memory-in-pixel (transflective) | AMOLED |
| Panel | Sunlight-visible, transflective memory-in-pixel | AMOLED |
| AMOLED / OLED display | No | Yes |
| Always-on display | Yes | — |
| Touchscreen | Yes | Yes |
| Resolution (width) | 260 px | 454 px |
| Resolution (height) | 260 px | 454 px |
| Pixel density | 200 ppi | — |
| Battery | ||
| Battery life (smartwatch mode) | 15 days | 3 days |
| GPS battery life | 42 h | — |
| GPS battery life (dual-band) | 20 h | — |
| Battery life (hours) | — | 72 h |
| Battery capacity | — | 577 mAh |
| Wireless charging | No | — |
| Charging | Garmin proprietary plug charger | — |
| Health sensors | ||
| Optical heart rate | Yes | Yes |
| Blood oxygen (SpO2) | Yes | 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 | heart rate, SpO2, barometer, accelerometer |
| Sports & navigation | ||
| Built-in GPS | Yes | Yes |
| Dual-band GPS | Yes | — |
| Satellite systems | GLONASS, GALILEO, BDS, QZSS | GPS, GLONASS, GALILEO, BDS, QZSS |
| Offline maps | Yes | — |
| Barometric altimeter | Yes | Yes |
| Compass | Yes | — |
| Multisport / triathlon mode | Yes | Yes |
| Sport profiles | 80 | — |
| Connectivity | ||
| NFC payments | Yes | Yes |
| Wi-Fi | Wi-Fi 4 | Wi-Fi 4 |
| Bluetooth | — | 5 |
| ANT+ sensors | Yes | — |
| Smart features | ||
| Speaker | — | Yes |
| Microphone | — | Yes |
| Music on the watch | Yes | Yes |
| Storage | 32 GB | 8 GB |
| RAM | — | 1 GB |
| Third-party apps | Yes | — |
| Platform | ||
| Operating system | Garmin OS | Wear OS by Google |
| Platform | Proprietary | Wear OS |
| Works with | iOS, Android | — |
| Chipset | — | Qualcomm Snapdragon Wear 4100 |
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