Why is Pace 3 better than FW51?
- Battery life (smartwatch mode)15 days vs 7 days2.1×
- Screen size1.2″ vs 1.09″+10%
Why is FW51 better than Pace 3?
FW51 has no measurable advantages in this pair.
Specifications
Side by side
| Design & durability | ||
| Case size | 42 mm | — |
| Weight | 39 g | — |
| Thickness | 11.7 mm | — |
| Height | 41.9 mm | — |
| Width | 41.9 mm | — |
| Case material | Plastic / polymer | — |
| Sapphire crystal | No | — |
| Lens / cover glass | Mineral Glass | — |
| Strap material | Silicone / Nylon | — |
| Water resistance | 5 ATM | — |
| Water rating (maker) | 5 ATM | — |
| Colours | — | Black |
| Display | ||
| Screen size | 1.2″ | 1.09″ |
| Display technology | Memory-in-pixel (transflective) | — |
| Panel | Touch Screen Always-On Memory LCD | IPS |
| AMOLED / OLED display | No | No |
| Always-on display | Yes | — |
| Touchscreen | Yes | Yes |
| Resolution (width) | 240 px | 240 px |
| Resolution (height) | 240 px | 240 px |
| Pixel density | 200 ppi | — |
| Battery | ||
| Battery life (smartwatch mode) | 15 days | 7 days |
| GPS battery life | 38 h | — |
| GPS battery life (dual-band) | 15 h | — |
| Battery capacity | — | 130 mAh |
| Battery type | — | Li-Po |
| Health sensors | ||
| Optical heart rate | Yes | Yes |
| Blood oxygen (SpO2) | Yes | Yes |
| Temperature sensor | Yes | — |
| HRV tracking | Yes | — |
| Sleep tracking | Yes | Yes |
| Sensors | Optical Heart Rate Monitor, Barometric Altimeter, Accelerometer, Gyroscope, 3D Compass, Thermometer ), Optical Pulse Oximeter | heart rate, SpO2 |
| Sports & navigation | ||
| Built-in GPS | Yes | — |
| Dual-band GPS | Yes | — |
| Satellite systems | GLONASS, GALILEO, BDS, QZSS | — |
| Offline maps | No | — |
| Barometric altimeter | Yes | — |
| Compass | Yes | — |
| Multisport / triathlon mode | Yes | — |
| Sport profiles | 28 | — |
| Connectivity | ||
| Wi-Fi | Wi-Fi 4 | — |
| Smart features | ||
| Music on the watch | Yes | — |
| Storage | 4 GB | — |
| Platform | ||
| Platform | Proprietary | — |
| Chipset | — | Realtek RTK8762DK |
