vs
2.9Display6.9
4.9Health tracking4.9
2.8Sports & outdoor5.3
2.8Build & durability4.1
Dimensions
Size comparison
Forerunner 7457
| Forerunner 745 | 7 | Difference | |
|---|---|---|---|
| Height | 43.8 mm | 50 mm | −6.2 mm |
| Width | 43.8 mm | 50 mm | −6.2 mm |
| Thickness | 13.3 mm | 15.3 mm | −2 mm |
| Weight | 47 g | 52 g | −5 g |
Drawn to the same scale from the official dimensions (front and side).
Why is Forerunner 745 better than 7?
- GPS battery life16 h vs 12 h+33%
- Weight47 g vs 51.9 g+10%
- Thickness13.3 mm vs 15.3 mm+15%
Why is 7 better than Forerunner 745?
- AMOLED / OLED displayNo · Forerunner 745: Yes
- Sport profiles30 vs 702.3×
- Resolution (width)240 px vs 454 px+89%
Specifications
Side by side
| Design & durability | ||
| Case size | 44 mm | 50 mm |
| Weight | 47 g | 51.9 g |
| Thickness | 13.3 mm | 15.3 mm |
| Height | 43.8 mm | 50 mm |
| Width | 43.8 mm | 50 mm |
| Case material | Plastic / polymer | Titanium |
| Sapphire crystal | No | — |
| Lens / cover glass | Corning® Gorilla® Glass DX | Gorilla glass |
| Strap material | silicone | Microfiber textile |
| Water resistance | 5 ATM | 5 ATM |
| Water rating (maker) | 5 ATM | 50 m |
| Display | ||
| Screen size | 1.2″ | — |
| Display technology | Memory-in-pixel (transflective) | AMOLED |
| Panel | Sunlight-visible, transflective memory-in-pixel | — |
| AMOLED / OLED display | No | Yes |
| Always-on display | Yes | — |
| Touchscreen | — | Yes |
| Resolution (width) | 240 px | 454 px |
| Resolution (height) | 240 px | 454 px |
| Pixel density | 200 ppi | — |
| Battery | ||
| Battery life (smartwatch mode) | 7 days | — |
| GPS battery life | 16 h | 12 h |
| Battery type | — | rechargeable lithium-ion |
| Wireless charging | No | — |
| Charging | Garmin proprietary plug charger | — |
| Health sensors | ||
| Optical heart rate | Yes | Yes |
| Blood oxygen (SpO2) | Yes | — |
| Temperature sensor | Yes | Yes |
| HRV tracking | Yes | — |
| Sleep tracking | Yes | Yes |
| Sensors | GPS, GLONASS, Galileo, Elevate wrist heart rate monitor, Pulse Ox blood oxygen saturation monitor, Barometric altimeter, Compass, Gyroscope, Accelerometer, Thermometer | Optical HR, Barometer, Compass, Thermometer |
| Sports & navigation | ||
| Built-in GPS | Yes | Yes |
| Satellite systems | GLONASS, GALILEO | GPS, GLONASS, BeiDou, QZSS |
| Offline maps | — | Yes |
| Barometric altimeter | Yes | Yes |
| Compass | Yes | Yes |
| Multisport / triathlon mode | Yes | — |
| Sport profiles | 30 | 70 |
| Connectivity | ||
| NFC payments | Yes | Yes |
| Wi-Fi | Wi-Fi 4 | — |
| ANT+ sensors | Yes | — |
| Smart features | ||
| Music on the watch | Yes | — |
| Storage | 4 GB | — |
| Third-party apps | Yes | — |
| Platform | ||
| Operating system | Garmin OS | Wear OS |
| Platform | Proprietary | Wear OS |
| Works with | iOS, Android | — |
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