Device summary

Garmin

fēnix 8 Pro 51mm AMOLED

Garmin

fēnix 9 Pro 51mm AMOLED

Full specifications

Full specifications

Basic information
Release year	2025	2026
Starting price	—	—
Display size	1.4-inch	1.5-inch
Dimensions	51.0 mm × 51.0 mm × 16.5 mm	51.0 mm × 51.0 mm × 15.8 mm
Weight	69 g	73 g
Front material	—	—
Back material	—	—
Display
Display technology	AMOLED	AMOLED
Resolution	454 × 454	466 × 466
Peak brightness	—	3000 nits
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; titanium bezel	Titanium
Ingress protection	10 ATM	10 ATM

Full specifications

Basic information
Release year	2025	2026
Starting price	—	—
Display size	1.4-inch	1.5-inch
Dimensions	51.0 mm × 51.0 mm × 16.5 mm	51.0 mm × 51.0 mm × 15.8 mm
Weight	69 g	73 g
Front material	—	—
Back material	—	—
Display
Display technology	AMOLED	AMOLED
Resolution	454 × 454	466 × 466
Peak brightness	—	3000 nits
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; titanium bezel	Titanium
Ingress protection	10 ATM	10 ATM

Key differences

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

• Thickness

  fēnix 9 Pro 51mm AMOLED

  0.7 mm thinner

• Weight

  fēnix 8 Pro 51mm AMOLED

  4 g lighter · minor difference

• Display size

  fēnix 9 Pro 51mm AMOLED

  0.1 in larger display · minor difference

• Height

  Very similar height