Garmin - fēnix 8 Solar 51mm
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Reddit Reviews:
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Based on 1 year's data from Jan 25, 2026 How it works
Liked most:
427
104
"It's also absolutely unbreakable ... I have it since 3 years, done ton of afters, street parties, beach parties, etc, with it. Saltwater, beers, dust, sand, falling on the ground, etc, nothing broke or deteriorated it the slightest, and I am a pro for breaking anything technological."
"will last you forever as they are absolute tanks"
"amazed how the quality resembles logitech g pro 1"
300
22
"the battery lasts 2 weeks, that's with 5 days worth of tracking runs and day to day use. Incredible."
"16 days battery life on my fenix. ... The other aspect I really appreciate about my fenix is the battery life. 16 days or so. With everything I have to change these days (laptops, mice, keyboards, headphones, watches, phones), I appreciate not having to worry about it too often."
"Oh, and the battery lasts days even when exercising a lot (weeks without excercise)."
30
10
"Full watch-based navigation and mapping features—found particularly on the Forerunner 970 and Fenix series—include offline maps, turn-by-turn navigation, and visual guidance. ... For everyday runs on familiar routes, they matter less, but for trail running or hiking where orientation is crucial, they’re invaluable. ... Maps offer extra value for safety, route planning, and are also popular among cyclists and those exploring new routes"
"Battery life is super important to me. I do ultras so having 24+ hours of gps is necessary."
"Trail running so I can load the route onto my garmin and navigate without carrying phone for 50km"
219
38
"The HRV and stress is not gimmicky in fact it was the heads up for my sister in law being diagnosed with cancer …her stress was screaming with no other really identifiable reasons (in 2022) ... in my case my stress was exceedingly high … for months & months and I kept having warnings and then I completely crashed with full on burnout ... Post my hysterectomy I saw crazy stress again ( not as bad as when I burned out but pretty intense) for the first 6 weeks & then it improved a little but it’s only come back to a normal place post 12 weeks & energy levels too only back to normal at 5 months …I didn’t have keyhole. But all that data correlates with the recovery pattern for major surgery & the fatigue was chronic for weeks ... the stress marker was defo the alarm bell for my sister in law and was indicative for me."
"I've taken it on a 2 day 100km ultra marathon, with full GPS throughout, and it was fantastic at tracking everything and still had battery by the end!"
"What I love most are the customizable data screens. ... I’ve tailored the cardio profile specifically for my workouts. ... For example, in a “CrossFit Rounds” workout, I’ve set it up so I can track laps during an AMRAP and see if I’m going faster or slower than the previous round. ... The customization options are endless."
40
3
"The flashlight is the best ever on a watch."
"helps me find stuff in the dark (exclusive to models with the flashlight)"
"a torch I couldn’t live without now lol ... Torch is 10/10"
Disliked most:
36
109
"sleep is a disaster ... I was watching TV and I was already asleep ... when I go to the bathroom in the evening, the venu didn't even notice that I was sleeping, or didn't even recognize that I went to the bathroom."
"Sleep tracking is great if you are an amazing sleeper who doesn’t have interrupted sleep or gets up in the night. I get up to pray and when I go back it doesn’t pick up that sleep again. It is an issue because sleep tracking was a major reason for me buying a fitness tracker."
"I also found the sleep tracking on the GW6 to be much more reliable. ... I have small kids so I wake up every now and then during the night and on the Garmin - it's so frustrating to be told in the morning that I had a great night of sleep with only 10 mins of time awake when I spent 40 mins trying to get my 2yo to fall back asleep."
58
121
"The thing whoop is giving me is wildly inaccurate HR readings. ... Did a casual bike ride with my child yesterday afternoon and whoop gave me a 187 high HR. This was a really slow like 4 block bike ride. ... AW said 108hr peak. Ive biked hard, ran as hard as possible doing max HR tests with my H10 chest strap and never hit above high 160s. ... Im not sure whats going on but its been doing this type of odd HR readings all week."
"I had Whoop for three months and it started showing a very bad data. Like catastrophicly bad. ... Bought Polar chest strap to check my HRV, it was VERY different and was showing me my normal data, data that whoop originally showed to me as well until three months into use it stopped."
"HR reading on Whoop are known for being absolutely aweful. ... Better having an accurate reading every 5 minutes than multiple bad readings every seconds. ... Whoop has awesome software and data analysis, but makes it somehow unusable because of bad hr data in. ... If HR accuracy is not a problem for you, and only follow "very general trends", yeah Whoop is a cool product. But if you are at some minimal point serious about HR accuracy, for real sport / performance / improvment, you cannot relly on it. ... If a Polar device, Garmin, apple watch says it's at 80 with readings every minute or so, and whoop says 65 every seconds, your "constant readings" are not worth anything. Garbage in, garbage out. ... Even counting it manually with a timer and my finger on my neck would be more accurate. ... their linear HR sensors are poor quality, and not the ideal way of positioning them (VS circular patern)."
0
11
"During runs and activities, the Garmin watch cannot maintain bluetooth connection to the Airpods, and music starts cutting out. It gets resolved temporarily by pressing play/pause in the Spotify app on the watch, but the connection will cut out again within 5 minutes. I've searched Garmin forums and found that this issue has persisted since the Fenix 6, with no indication that Garmin plans to fix it. The #1 feature I bought a fitness watch for is essentially broken."
"So disappointed with its software. ... Have bose qc earbuds thats a top end product but have constant connectivity issues. ... Spoke to garmin don’t know how many times but they don’t have a solution. ... Not even the controls on the earbuds are working. ... I use this feature quite alot and just because of this I wont recommend this watch."
"when i am listening music from my phone: no interface for watch, no next / skip, or the most important the wheel for volume 😂"
10
60
"chunky edges on my 4.5 inch wrist which is tiny"
"So much lighter and low profile than my Epix."
"dancing with a fenix 8 will look & feel ridiculous."
8
50
"fenix 8 pro has LTE and satellite connection which not working at all, or working in a very bad way. ... I made many runs, never had a possibility to send message via garmin messenger, call via garmin messenger, even livetrack, on LTE, has big lags, stuck in random places, etc."
"Garmin’s notification integration with iOS is dogshit."
"many workout functions require a working internet connection via Bluetooth to the phone to operate. ... None of the complex metrics are done on the watch. Not. Even. Close. ... Garmin Connect often requires an active internet connection. It really annoyed me when I owned my Fenix. ... Garmin Connect often requires an active internet connection for many features. I discovered this when I owned one. It pissed me off."
Algunas 1.0Fenix 8 Solar 51mm. 22d. No workout tracking, no notifications. Just passively tracking my life.
alycks 1.0I would probably say the 965 or, if you want a flashlight, the Fenix 8. * **Fenix 8 Solar vs. Fenix 8 AMOLED** * Solar charging is not going to make a difference in your battery life unless you spend a *huge* amount of time outside in very bright sunlight. * Most users here seem to be reporting excellent battery life with the AMOLED version of the Fenix 8. * I have the Fenix 8 Solar 51mm, supposedly the best Garmin has to offer in the Fenix 8 lineup for battery life. I usually get 10-14 days with heavy smartwatch usage and heavy endurance training usage. I charge the watch between 20 and 80% every 10-14 days. You'll easily be able to match that with an AMOLED version, with AOD, if you just throw it on the charger when you shower * **Flashlight** * If you can afford it, get it. The flashlight is amazing. * **Auto-tracking activities** * Every Garmin I've ever had will track these kinds of workouts fairly accurately through the MoveIQ functionality. * That said, I usually track everything manually, because why not? My Fenix 8 has a separate "Bike Commute" profile which I use for errands, commuting, etc. I am a triathlete, runner, bike commuter, etc. I swim, bike, run, walk, strength train, yoga, SUP, OWS, ski. The Forerunner 965 or the Fenix 8 will be an outstanding choice for you.
Yep. I have an AWU2 and a Fenix 8 Solar. Probably selling the AWU2 soon because it failed me so badly on a recent 70M ultra. People knock the Garmins for their poor smartwatch features, but honestly the differences have really minimized over time. On both watches I can: * use voice commands to quickly set timers and alarms * check the weather, my calendars * respond to text messages with Siri * this is much, much better on Apple Watch, but the Garmin has gotten it done for me, including when I'm going 20 mph on a bicycle or flying down a ski slope * contactless pay The only real advantages Apple Watch have are cellular, a few niche app things like unlocking my Level app, and better speech-to-text/Siri performance. The UI is also nice on Apple Watch, but the revamped UI for Fenix 8 and Enduro 3 is better than before and I quite like it. I'm not apologizing for Garmin Connect, however. That's still pretty rough. The Garmin Fenix 8 really does have a better training/wellness package. Sleep tracking works well for me, and Body Battery and Stress are actionable items for me that Apple Watch cannot replicate, not even with 3rd party apps, and I'm a Bevel subscriber. The AWU2 is a nice to have, but as a guy who does ultras north of 50 miles and long, off-grid hikes, the Garmin is the better device.
Conscious-Archer-816 1.0I was holding out for the 8 Pro, but after the reveal I went with the 8 51mm Solar. I am team MIP display and that not being an option on the 8 Pro I was immediately turned off on it.
Efficient-Objective2 1.0Thanks for the review. Got my Fenix 8 solar 51mm. So disappointed with its software. Have bose qc earbuds thats a top end product but have constant connectivity issues. Spoke to garmin don’t know how many times but they don’t have a solution. Not even the controls on the earbuds are working. Both watch and earbuds on latest software. I use this feature quite alot and just because of this I wont recommend this watch.
FireFighter-116 1.0Im in garmin ecosystem for 1 year and I dont see such problems as other users. I mean, im using a Fênix 8 51mm solar now and didnt notice bugs and the battery doesnt reach as much as advertised, but performs very well. My former epix 2 had some bugs, but Garmin fixed. Charging port its ok. However, my old t Rex 2 from amazfit had magnetic charging port, which was nice.
notinsuit 1.0I have a Fenix 8 Solar and I have to charge it weekly. That’s 52 times a year
The hyperbole is unwarranted since the Fenix 8 Solar 51mm, which is basically the best Fenix, battery-wise, is so far from charging it once a month, that it’s ridiculous. It’s not a smartwatch (unlike the Apple Watch, for example) and the battery everyone brags about is perhaps if you’re not using it to track anything. I’ve had mine for 11 months now and I’m literally charging it weekly. I like the running metrics, especially since the last update, but still, where’s my one month battery?
Ok_Organization8849 1.0I replaced my Fenix 8 51mm solar a few days ago and I'm totally happy. I like the app much better. My Suunto works much better with rouvy than Garmin (there I always had to run two activities) and also when running Zone Sense is a game changer So from my side: I'm glad to have changed and don't look back anymore
Pohq 1.0Be aware you will be losing a lot leaving Apple Watch. You’ll get lots of benefits of course but the UI / Apps / Software / Music Streaming are pretty bad. It’s going to feel especially bad coming from a polished OS experience. Having said that loads of pros. Top notch fitness tracking. Battery for days. Flashlight. Super rugged looking and performing hardware. No phone on your wrist distracting you lighting up like a Christmas tree all the time. The software and the bugs are what let Garmin down. If you can cope with that I have an Enduro 3. IMO best watch Garmin make. Second Fenix 8 (non pro) 51mm solar.
The fenix has a few of the Apple safety features but nowhere near as good. They have the main one high / low heart rate alerts when not exercising. I think they have some sort of fall detection but it's not as good or polished as Apple. With Garmins buggy software not sure I'd trust it anyway. AW also has sleep apnea alerts and hypertension alerts (new) which the Garmins do not have.........yet.
RoutinePermit9226 1.0For me it is the Fénix 8 solar 51mm
I have a Fénix 8 solar and I recommend it to you. It's the best watch I've ever had
I have a Fénix 8 solar and it is the best Garmin watch I have ever had. I recommend it to you
I have a Fénix 8 and for me it is quite reliable in sleep and cardio. And if you want more precision in your sleep, I recommend the Index Sleep Monitor
I have a Fénix 8 but for the use you are going to give it, the Forerunner 255 or 265 would be good for you
Since the differences are not many, both watches will serve you perfectly but I would go for the Fénix 8 which is aesthetically more beautiful and resistant
I have a Fénix 8 and it is the best Garmin watch I have ever had. I recommend it to you
I have a Fénix 8 and it is the best Garmin watch I have ever owned. I recommend it to you
Yes the 5 buttons are essential. I have a Fénix 8, it is touch-sensitive and has 5 buttons. I never use the touch screen, I always use the buttons.
Buy a Fénix 8, I have one and I recommend it 100%
I would buy the Fénix 8
The Fénix range is Garmin's top one and therefore when new functions come out they will surely put them first and for me it is also aesthetically pleasing, the Fénix 8 is beautiful, I love it. I have a 51mm Fénix 8 solar. También por la duración de la batería que es impresionante
0hlove 0.6Fenix 8 Solar a Little of Training and Health stats configured. 10-14 days.
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