vs
5.3Display2.6
3.9Battery life5.0
4.9Health tracking4.9
3.4Build & durability5.8
Dimensions
Size comparison
Forerunner 70Instinct E 45mm
| Forerunner 70 | Instinct E 45mm | Difference | |
|---|---|---|---|
| Height | 42.6 mm | 45 mm | −2.4 mm |
| Width | 42.6 mm | 45 mm | −2.4 mm |
| Thickness | 11.9 mm | 14.2 mm | −2.3 mm |
| Weight | 40 g | 48 g | −8 g |
Drawn to the same scale from the official dimensions (front and side).
Why is Forerunner 70 better than Instinct E 45mm?
- AMOLED / OLED displayYes · Instinct E 45mm: No
- Storage0 GB vs 0.12 GB4.2×
- Pixel density325 ppi vs 139 ppi2.3×
- Resolution (width)390 px vs 176 px2.2×
- Weight40 g vs 48 g+20%
- Thickness11.9 mm vs 14.2 mm+19%
- Sport profiles76 vs 69+10%
Why is Instinct E 45mm better than Forerunner 70?
- Battery life (smartwatch mode)13 days vs 16 days+23%
- Water resistance5 ATM vs 10 ATM2×
- GPS battery life23 h vs 24 h+4%
- Screen size1.2″ vs 1.27″+6%
- Battery saver mode28 days vs 40 days+43%
Specifications
Side by side
| Design & durability | ||
| Case size | 43 mm | 45 mm |
| Weight | 40 g | 48 g |
| Thickness | 11.9 mm | 14.2 mm |
| Height | 42.6 mm | 45 mm |
| Width | 42.6 mm | 45 mm |
| Case material | Plastic / polymer | Plastic / polymer |
| Sapphire crystal | No | No |
| Lens / cover glass | chemically strengthened glass | Chemically Strengthened Glass |
| Strap material | silicone | silicone |
| Water resistance | 5 ATM | 10 ATM |
| Water rating (maker) | 5 ATM | 10 ATM |
| Display | ||
| Screen size | 1.2″ | 1.27″ |
| Display technology | AMOLED | Memory-in-pixel (transflective) |
| Panel | AMOLED | Monochrome, sunlight-visible, transflective memory-in-pixel |
| AMOLED / OLED display | Yes | No |
| Always-on display | Yes | Yes |
| Touchscreen | Yes | — |
| Resolution (width) | 390 px | 176 px |
| Resolution (height) | 390 px | 176 px |
| Pixel density | 325 ppi | 139 ppi |
| Battery | ||
| Battery life (smartwatch mode) | 13 days | 16 days |
| Battery life with always-on display | 5 days | — |
| Battery saver mode | 28 days | 40 days |
| GPS battery life | 23 h | 24 h |
| Battery type | Lithium ion | 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, Accelerometer, Ambient light sensor | GPS, GLONASS, Galileo, Elevate wrist heart rate monitor, Pulse Ox blood oxygen saturation monitor, Barometric altimeter, Compass, Accelerometer, Thermometer |
| Sports & navigation | ||
| Built-in GPS | Yes | Yes |
| Satellite systems | GLONASS, GALILEO | GLONASS, GALILEO |
| Barometric altimeter | — | Yes |
| Compass | — | Yes |
| Sport profiles | 76 | 69 |
| Connectivity | ||
| ANT+ sensors | Yes | Yes |
| Smart features | ||
| Storage | 0 GB | 0.12 GB |
| Third-party apps | Yes | Yes |
| Platform | ||
| Operating system | Garmin OS | Garmin OS |
| Platform | Proprietary | Proprietary |
| Works with | iOS, Android | iOS, Android |
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