Customer reviews from Garmin
Garmin - fnix 8 AMOLED GPS Smartwatch 51mm Fiber-reinforced polymer - Slate Gray - (2024)
Average customer rating
4.4
(182 Reviews)
Rating breakdown 182 reviews
5 Stars
132
4 Stars
23
3 Stars
11
2 Stars
5
1 Star
11
Customer Reviews for Garmin - fnix 8 AMOLED GPS Smartwatch 51mm Fiber-reinforced polymer - Slate Gray - (2024)
Customer Rating
5
A worthy Upgrade!
on August 12, 2026
Posted by: Off Belay
I recently upgraded my garmin gear. I was an original fenix 3 HR owner with the sapphire glass. It served its life well and is still alive and fully functional! The main reason for upgrade was the battery life was deteriorating.
I debated for quite a while on which model 8 to go with and ultimately chose the AMOLED display in the same 51mm. I’m blown away with the performance and options this new piece of kit has to offer. It’s a learning curve with the new features and apps this can handle but it was a worthy upgrade.
To note. Most of my long thru hikes last a few weeks max. My runs are 10k in the woods. And I’m normally close to civilization or carry a charger. But I have yet to need to charge this thing until I get home. Even over 14 days while using the tracking when set up correctly I made it home wi the at least another 2 weeks of life left in the watch.
Written by a customer while visiting Garmin
Customer Rating
5
Fenix rising
on August 6, 2026
Posted by: WmEn
Dedicated Epix fan until I met the Fenix 51mm. Battery lasts for weeks and scores of adventures. Rugged and handsome.
Written by a customer while visiting Garmin
Customer Rating
4
Fénix 8
on August 2, 2026
Posted by: MITS
Great love it have used fénix for along time tried others but always come back
Would love too see more interaction with other brands for example peloton or other Weight balance
Looking forest too try the 9
Would love too see more interaction with other brands for example peloton or other Weight balance
Looking forest too try the 9
Written by a customer while visiting Garmin
Customer Rating
5
Huge Step Up in Sleep & Recovery Insight
on July 30, 2026
Posted by: NewfieGuy
Upgraded from an 8-year-old Fenix 5 Pro Sapphire that still works perfectly, sapphire screen still pristine. That's Garmin quality for you, and it's why I'm pretty much a forever customer at this point. The Fenix 8's sensors are a big leap forward: sleep tracking is far more detailed, with real onset/wake accuracy instead of rough estimates, plus Body Battery, HRV, SpO₂, and restless moments working together to actually explain how I'm recovering. AMOLED display is gorgeous and easy to read anytime. This is my daily driver watch, and it's earned that spot.
Written by a customer while visiting Garmin
Customer Rating
5
Too much!!! In a good way
on July 30, 2026
Posted by: Dubled
I know, I know ... For a suburban dad, middle aged and a recreational sports guy, this thing is total overkill. But, that's why I love it... The running, weight training, music storage, customization, golf, cycling, skiing, yoga, and all activities make this thing a beast. It's too big, it's too robust, and I absolutely LOVE it. Great step up from the Fenix 6 which I had for 6 years or so. Wouldn't go back!
Written by a customer while visiting Garmin
Customer Rating
5
Love it
on July 23, 2026
Posted by: DatGuy24
Amazing smartwatch and even better fitness and health device. Only way it could be better is if there was a Solar AMOLED version.
Written by a customer while visiting Garmin
Customer Rating
4
Need to be better with software fixes.
on July 22, 2026
Posted by: chewylaw
I thoroughly like the watch. My only issue arose about a month ago. There is some issue with the “maps” update for the “golf” activity. Some corrupt file that was downloaded with the June update. I have completed two factor resets, but the map file continues to be missing. I was able to get the “golf” activity working, but is still very glitchy and must restart several times.
Prior to the map issue, I would have given the watch 5 stars. With the glitch showing up a month ago, and still no permanent fix, I can only go with 4 stars.
Written by a customer while visiting Garmin
Customer Rating
5
No buyers remorse. Excellent watch/tracker
on July 20, 2026
Posted by: Rugby134
30 days in with the watch and it is performing extremely well. Battery life is insane with normal use and apps/ menus are very responsive. I upgraded the band to a Bandletic which compliments the 51mm perfectly.One downside is the adaptive brightness which can not be customized or switched off. Otherwise this has been a solid watch and enjoyable to use. I still wear my Mudmaster for heavier outdoor work just in case.
Written by a customer while visiting Garmin