Garmin
Forerunner 170 vs Forerunner 70
Device summary
Garmin
Forerunner 70
Full specifications
| Basic information | ||
|---|---|---|
| Release year | 2026 | 2026 |
| Starting price | — | — |
| Display size | 1.2-inch | 1.2-inch |
| Dimensions | 43.0 mm × 43.0 mm × 12.6 mm | 43.0 mm × 43.0 mm × 12.6 mm |
| Weight | 45 g | 45 g |
| Front material | — | — |
| Back material | — | — |
| Display | ||
| Display technology | AMOLED | AMOLED |
| Resolution | 390 × 390 | 390 × 390 |
| Battery & charging | ||
| Charging standard | Garmin proprietary clip / USB charging | Garmin proprietary clip / USB charging |
| Battery type | Lithium-ion | Lithium-ion |
| Connectivity | ||
| Cellular | GPS / multi-GNSS | GPS / multi-GNSS |
| Bluetooth | Bluetooth | Bluetooth |
| NFC | Yes | Yes |
| Build & durability | ||
| Frame | Fiber-reinforced polymer | Fiber-reinforced polymer |
| Ingress protection | 5 ATM | 5 ATM |
Basic information
Release year
- Forerunner 170
- 2026
- Forerunner 70
- 2026
Starting price
- Forerunner 170
- —
- Forerunner 70
- —
Display size
- Forerunner 170
- 1.2-inch
- Forerunner 70
- 1.2-inch
Dimensions
- Forerunner 170
- 43.0 mm × 43.0 mm × 12.6 mm
- Forerunner 70
- 43.0 mm × 43.0 mm × 12.6 mm
Weight
- Forerunner 170
- 45 g
- Forerunner 70
- 45 g
Front material
- Forerunner 170
- —
- Forerunner 70
- —
Back material
- Forerunner 170
- —
- Forerunner 70
- —
Display
Display technology
- Forerunner 170
- AMOLED
- Forerunner 70
- AMOLED
Resolution
- Forerunner 170
- 390 × 390
- Forerunner 70
- 390 × 390
Battery & charging
Charging standard
- Forerunner 170
- Garmin proprietary clip / USB charging
- Forerunner 70
- Garmin proprietary clip / USB charging
Battery type
- Forerunner 170
- Lithium-ion
- Forerunner 70
- Lithium-ion
Connectivity
Cellular
- Forerunner 170
- GPS / multi-GNSS
- Forerunner 70
- GPS / multi-GNSS
Bluetooth
- Forerunner 170
- Bluetooth
- Forerunner 70
- Bluetooth
NFC
- Forerunner 170
- Yes
- Forerunner 70
- Yes
Build & durability
Frame
- Forerunner 170
- Fiber-reinforced polymer
- Forerunner 70
- Fiber-reinforced polymer
Ingress protection
- Forerunner 170
- 5 ATM
- Forerunner 70
- 5 ATM
Key differences
The most meaningful measured gaps in size and weight — not an overall winner.
Height
Very similar height
Width
Very similar width
Thickness
Very similar thickness
Weight
Very similar weight
Height, width, thickness, and weight are very similar between these devices.