Device summary

Garmin

Forerunner 170

Garmin

Forerunner 570 42mm

Full specifications

Full specifications

Basic information
Release year	2026	2025
Starting price	—	—
Display size	1.2-inch	1.2-inch
Dimensions	43.0 mm × 43.0 mm × 12.6 mm	42.4 mm × 42.4 mm × 12.9 mm
Weight	45 g	42 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; aluminum bezel
Ingress protection	5 ATM	5 ATM

Full specifications

Basic information
Release year	2026	2025
Starting price	—	—
Display size	1.2-inch	1.2-inch
Dimensions	43.0 mm × 43.0 mm × 12.6 mm	42.4 mm × 42.4 mm × 12.9 mm
Weight	45 g	42 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; aluminum bezel
Ingress protection	5 ATM	5 ATM

Key differences

The most meaningful measured gaps in size and weight — not an overall winner.

• Thickness

  Forerunner 170

  0.3 mm thinner · minor difference

• Weight

  Forerunner 570 42mm

  3 g lighter · minor difference

• Height

  Forerunner 170

  0.6 mm taller · minor difference

• Width

  Forerunner 170

  0.6 mm wider · minor difference