vs
5.4Display2.7
3.4Build & durability9.0
Dimensions
Size comparison
Forerunner 70Core 2
| Forerunner 70 | Core 2 | Difference | |
|---|---|---|---|
| Height | 42.6 mm | 49 mm | −6.4 mm |
| Width | 42.6 mm | 49 mm | −6.4 mm |
| Thickness | 11.9 mm | 14.8 mm | −2.9 mm |
| Weight | 40 g | 64 g | −24 g |
Drawn to the same scale from the official dimensions (front and side).
Why is Forerunner 70 better than Core 2?
- AMOLED / OLED displayYes · Core 2: No
- Weight40 g vs 64 g+60%
- Thickness11.9 mm vs 14.8 mm+25%
Why is Core 2 better than Forerunner 70?
- Water resistance5 ATM vs 10 ATM2×
- Screen size1.2″ vs 1.3″+8%
Specifications
Side by side
| Design & durability | ||
| Case size | 43 mm | 49 mm |
| Weight | 40 g | 64 g |
| Thickness | 11.9 mm | 14.8 mm |
| Height | 42.6 mm | 49 mm |
| Width | 42.6 mm | 49 mm |
| Case material | Plastic / polymer | Plastic / polymer |
| Sapphire crystal | No | — |
| Lens / cover glass | chemically strengthened glass | Gorilla Glas |
| Strap material | silicone | Silikon |
| Water resistance | 5 ATM | 10 ATM |
| Water rating (maker) | 5 ATM | 100 m / 10 bar / 10 ATM |
| Colours | — | Black |
| Display | ||
| Screen size | 1.2″ | 1.3″ |
| Display technology | AMOLED | — |
| Panel | AMOLED | LED |
| AMOLED / OLED display | Yes | No |
| Always-on display | Yes | — |
| Touchscreen | Yes | — |
| Resolution (width) | 390 px | — |
| Resolution (height) | 390 px | — |
| Pixel density | 325 ppi | — |
| Battery | ||
| Battery life (smartwatch mode) | 13 days | — |
| Battery life with always-on display | 5 days | — |
| Battery saver mode | 28 days | — |
| GPS battery life | 23 h | — |
| Battery type | Lithium ion | CR3032 coin cell battery |
| Wireless charging | No | — |
| Charging | Garmin proprietary plug charger | — |
| Health sensors | ||
| Optical heart rate | Yes | — |
| Blood oxygen (SpO2) | Yes | — |
| Temperature sensor | — | Yes |
| HRV tracking | Yes | — |
| Sleep tracking | Yes | — |
| Sensors | GPS, GLONASS, Galileo, Elevate wrist heart rate monitor, Pulse Ox blood oxygen saturation monitor, Accelerometer, Ambient light sensor | barometer |
| Sports & navigation | ||
| Built-in GPS | Yes | — |
| Satellite systems | GLONASS, GALILEO | — |
| Barometric altimeter | — | Yes |
| Compass | — | Yes |
| Sport profiles | 76 | — |
| Connectivity | ||
| ANT+ sensors | Yes | — |
| Smart features | ||
| Storage | 0 GB | — |
| Third-party apps | Yes | — |
| Platform | ||
| Operating system | Garmin OS | Suunto OS |
| Platform | Proprietary | Proprietary |
| Works with | iOS, Android | — |
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