Garmin
Forerunner 255 Series
Long battery; but wrist HR tracking is inconsistent.

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I have been using UH for more than a year now and I align with all the reviews posted. If you want to read about the positive things you can look up their subreddit
Sleep tracking is okay-ish. Activity and workout tracking is very off. The best thing about them is their mobile app I'd say
Also same problem at work I use a Fitbit and ended up getting a health tracker ring - love it just use the Fitbit as a digital watch and alarm now
I got the Ultrahuman one but they don’t sell them in the US at the moment some sort of lawsuit with oura effective in October. You might be able to find some residual stock at Walmart or best buy I got mine from Best Buy
Ultrahuman has everything except good battery. Samsung has nothing except decent battery. That said, the new ultrahuman ring pro is about to come out. 14 days of battery life if I remember correctly! You might as well wait a bit for that one.
Tried both UH and Ringconn simultaneously with Oura, got rid of both and keep Oura. Both have good data etc, but it's also a matter of personal preference about the app, imho - I like Oura UI the best, even after redesign. UH was my close second and I like certain features like the ability to upload 3rd party blood work. Ringconn was my personal 3rd place. If the money allow, I would recommend trying all three to see whichever works best for you personally.
I tried the ultrahuman ring and the garman and went back to fitbit.
I had the ultrahuman for 2 years (until the warranty expired) and had to get a total of 6 replacements during that time. It was absolutely infuriating, and I never had one that lasted longer than 6 months. I once had one need to get replaced after only 2 weeks. My Oura has outlasted any ultrahuman ring I’ve had at this point
Garmin
Forerunner 255 Series
Long battery; but wrist HR tracking is inconsistent.

Garmin
Forerunner 955 Series
Best value, clear MIP screen; limited smartwatch features.

Garmin
Fenix 7 Series
Durable, multi-week battery, flashlight; high price, buggy software.
Garmin
Instinct 2 Series
Rugged, solar multi-week battery; bulky, small screen readability issues.

Garmin
Enduro 3
Multi-week solar battery, lightweight; but bulky form factor.

Ranked #1
Oura - Oura Ring Series

Ranked #1
Apple - Ultra Series

Ranked #1
Garmin - Enduro 3

Ranked #1
Garmin - Fenix 7 Series

Ranked #1
Garmin - Forerunner 255 Series

Ranked #1
Oura - Oura Ring Series