Garmin Fenix 8 Pro 51mm AMOLED

Name: Garmin Fenix 8 Pro 51mm AMOLED
Brand: Garmin

Garmin Fenix 8 Pro 51mm AMOLED is a GPS sports watch released in September 2025. Key specs: case size 51 mm, screen size 1.4″, AMOLED / OLED display, battery life (smartwatch mode) 27 days.

8.8Score

Display7.5

Battery life8.6

Health tracking8.3

Sports & outdoor8.2

Smart features9.3

Build & durability6.6

price range$1,050–1,350

Full specifications

Released: September 2025
Type: GPS sports watch
Brand: Garmin
Popularity: #302 of 796
Model numbers: fēnix 8 – 43 mm, AMOLEDfēnix E – 47 mm, AMOLEDfēnix 8 Pro – 51 mm, MicroLEDfēnix 8 Pro – 47 mm, AMOLEDfēnix 8 – 51 mm, Solarfēnix 8 – 51 mm, AMOLED

51 mmCase size

1.4″Screen size

YesAMOLED / OLED display

27 daysBattery life (smartwatch mode)

78 hGPS battery life

10 ATMWater resistance

90 gWeight

YesNFC payments

Spec guide

How it ranks among GPS sports watches of 2025

Spec guide

Screen size · 1.4″Bottom 34%Battery life (smartwatch mode) · 27 daysTop 9%GPS battery life · 78 hTop 17%Water resistance · 10 ATMTop 17%Weight · 90 gBottom 9%

Compared with GPS sports watches released in 2025. Bars show the share of models it beats.

compared with other GPS sports watches

Why is Fenix 8 Pro 51mm AMOLED a good choice?

Battery life (smartwatch mode): 27 daysbetter than 86% of GPS sports watches

GPS battery life: 78 hbetter than 88% of GPS sports watches

GPS battery life (dual-band): 53 hbetter than 89% of GPS sports watches

Sport profiles: 99better than 76% of GPS sports watches

Weak points

Weight: 90 gworse than 84% of GPS sports watches

In rankings

#25Longest battery life #17Longest GPS battery life #12Longest battery with multi-band GPS #26Best smart features #10Best Garmin smartwatches #30Best smartwatches of 2025

Specifications

Full specifications

Design & durability

Case size: 51 mm
Weight: 90 g
Thickness: 16.5 mm
Height: 51 mm
Width: 51 mm
Case material: Titanium
Sapphire crystal: Yes
Lens / cover glass: Sapphire crystal
Strap material: silicone
Water resistance: 10 ATM
Water rating (maker): 10 ATM
Rated dive depth: 40 m

Display

Screen size: 1.4″
Display technology: AMOLED
Panel: AMOLED
AMOLED / OLED display: Yes
Touchscreen: Yes
Resolution (width): 454 px
Resolution (height): 454 px
Pixel density: 324 ppi

Battery

Battery life (smartwatch mode): 27 days
Battery life with always-on display: 15 days
Battery saver mode: 34 days
GPS battery life: 78 h
GPS battery life (dual-band): 53 h
Battery type: Lithium ion
Wireless charging: No
Charging: Garmin proprietary plug charger

Health sensors

Optical heart rate: Yes
Blood oxygen (SpO2): Yes
ECG: Yes
Skin temperature: Yes
Temperature sensor: Yes
HRV tracking: Yes
Sleep tracking: Yes
Sensors: GPS, GLONASS, Galileo, QZSS, BeiDou, SatIQ technology, Elevate wrist heart rate monitor, Pulse Ox blood oxygen saturation monitor, Barometric altimeter, Compass, Gyroscope, Accelerometer, Thermometer, Ambient light sensor, Depth sensor