Average score
Product 1: Samsung Galaxy Watch Ultra (2024)
3.7
Product 2: Garmin Fenix 8
3.9
activity auto-detection
Product 1: Samsung Galaxy Watch Ultra (2024)
4.5

Reviewers said the watch automatically tracks workouts and auto-start was reliable for walks and runs.

Product 2: Garmin Fenix 8
2.8

Move IQ auto-detection is present, but one reviewer found it less reliable than starting workouts manually.

app ecosystem
Product 1: Samsung Galaxy Watch Ultra (2024)
4.5

Wear OS app support was a strength, with reviewers highlighting popular third-party apps and mainstream app availability.

Product 2: Garmin Fenix 8
3.2

Garmin offers a meaningful Connect IQ ecosystem, but reviewers still describe the broader app experience as behind Apple and Samsung.

band quality
Product 1: Samsung Galaxy Watch Ultra (2024)
3.3

Bands are easy to swap and there are multiple styles, but some reviewers disliked the Marine band’s design and clasp behavior.

Product 2: Garmin Fenix 8
4.2

The included silicone band was described as comfortable, easy to clean, and functional for everyday wear.

battery life
Product 1: Samsung Galaxy Watch Ultra (2024)
4.0

Battery life usually landed around two to three days, which reviewers saw as strong for Wear OS but still short of true outdoor-watch endurance.

Product 2: Garmin Fenix 8
4.6

Battery life is a standout across reviews, with multi-day real-world endurance and especially strong results on larger or solar variants.

blood oxygen tracking
Product 1: Samsung Galaxy Watch Ultra (2024)
3.3

Blood oxygen features support sleep and health tracking, but one reviewer found overnight readings suspiciously low versus other wearables.

Product 2: Garmin Fenix 8
3.6

Pulse-ox support is included as part of the Fenix 8’s broad sensor suite, though reviewers did not test its accuracy deeply.

Bluetooth connectivity
Product 1: Samsung Galaxy Watch Ultra (2024)
1.5

Bluetooth-based cycling power meter support was described as unreliable, with frequent disconnects and poor implementation.

Product 2: Garmin Fenix 8
4.2

Bluetooth setup and device support were described positively, with straightforward accessory pairing and phone-linked features.

brightness
Product 1: Samsung Galaxy Watch Ultra (2024)
4.5

The screen was repeatedly praised for high brightness and strong visibility in direct sunlight.

Product 2: Garmin Fenix 8
4.5

Reviewers found the screen bright enough for clear viewing, especially on the AMOLED model.

build quality
Product 1: Samsung Galaxy Watch Ultra (2024)
4.5

Multiple reviews called the build quality excellent or top-notch.

Product 2: Garmin Fenix 8
4.6

The watch was repeatedly described as sturdy and well assembled, with a premium, rugged feel.

button controls
Product 1: Samsung Galaxy Watch Ultra (2024)
3.7

The Quick Button was seen as useful and well placed, but reviewers also missed a rotating crown or bezel for better control.

Product 2: Garmin Fenix 8
4.5

The button-plus-touch setup was praised for flexibility and ease, giving users reliable control during workouts.

call handling
Product 1: Samsung Galaxy Watch Ultra (2024)
4.0

The watch supports calls and messaging features, and reviewers used it for calls and replies without flagging major issues.

Product 2: Garmin Fenix 8
2.7

Calls work, but audio quality is a compromise: reviewers noted quiet speaker output and less-than-ideal voice clarity.

calorie tracking usefulness
Product 1: Samsung Galaxy Watch Ultra (2024)
3.8

Calories and calorie-burn goals were part of the watch’s workout and wellness tools, and reviewers found them useful enough in context.

Product 2: Garmin Fenix 8
No score yet
charging convenience
Product 1: Samsung Galaxy Watch Ultra (2024)
2.8

Wireless charging is supported, but losing reverse charging and needing regular top-ups reduced charging convenience.

Product 2: Garmin Fenix 8
3.2

Charging remains dependable, but the proprietary pin cable was seen as less convenient than magnetic chargers.

charging speed
Product 1: Samsung Galaxy Watch Ultra (2024)
2.7

Charging speed was a common complaint, with full recharges often taking around two hours.

Product 2: Garmin Fenix 8
4.3

Charging speed is solid, with one reviewer reporting roughly a one-hour full charge.

coaching features
Product 1: Samsung Galaxy Watch Ultra (2024)
4.0

Wellness Tips, sleep coaching, and guided heart-rate targets gave the watch useful coaching-style features.

Product 2: Garmin Fenix 8
4.2

Garmin’s coaching layer is useful, with structured strength plans and workout guidance expanding the training toolkit.

comfort
Product 1: Samsung Galaxy Watch Ultra (2024)
4.0

Despite the large case, several reviewers still found the watch comfortable for daily wear.

Product 2: Garmin Fenix 8
3.6

Comfort is good for many users, but the larger case and weight can feel bulky, especially on smaller wrists.

companion app quality
Product 1: Samsung Galaxy Watch Ultra (2024)
3.5

Galaxy Wearable and Samsung Health provide plenty of functionality, but the Samsung app setup can feel fragmented.

Product 2: Garmin Fenix 8
4.9

Garmin Connect was one of the strongest positives, praised as stellar, comprehensive, and best-in-class.

contactless payments
Product 1: Samsung Galaxy Watch Ultra (2024)
4.3

Contactless payments were available through NFC wallets and were described as handy in everyday use.

Product 2: Garmin Fenix 8
4.0

Contactless payment support is available and adds to the watch’s everyday convenience.

cross-platform compatibility
Product 1: Samsung Galaxy Watch Ultra (2024)
1.8

Compatibility is limited: it works only with Android, and several important features are reserved for Samsung phones.

Product 2: Garmin Fenix 8
2.8

Core phone integration works across platforms, but iPhone users face more limitations than Android users.

customization options
Product 1: Samsung Galaxy Watch Ultra (2024)
4.5

Reviewers highlighted broad customization for tiles, watch faces, layouts, and button shortcuts.

Product 2: Garmin Fenix 8
4.6

Customization is a major strength, from deep settings control to broad watch-face and interface personalization.

display quality
Product 1: Samsung Galaxy Watch Ultra (2024)
4.5

The AMOLED display was repeatedly described as excellent and among the best on Android watches.

Product 2: Garmin Fenix 8
4.9

The AMOLED display earned especially strong praise for its vivid, premium presentation.

durability
Product 1: Samsung Galaxy Watch Ultra (2024)
4.3

Durability was a clear strength thanks to rugged construction, scratch resistance, and adventure-focused hardware.

Product 2: Garmin Fenix 8
4.5

Long-term wear feedback was strong, with sapphire holding up well and the watch tolerating daily knocks.

ECG functionality
Product 1: Samsung Galaxy Watch Ultra (2024)
3.3

ECG is available, but its usefulness is reduced by Samsung-phone restrictions.

Product 2: Garmin Fenix 8
3.6

ECG hardware is present, but availability remains region-limited rather than universally accessible.

fit
Product 1: Samsung Galaxy Watch Ultra (2024)
3.3

Fit was workable for some reviewers, but the large case still felt bulky to others.

Product 2: Garmin Fenix 8
3.7

Fit benefits from multiple case sizes, though the biggest models can still feel cumbersome on smaller wrists.

fitness tracking accuracy
Product 1: Samsung Galaxy Watch Ultra (2024)
4.3

Fitness tracking was generally seen as capable and useful, even if it is not flawless in every sport.

Product 2: Garmin Fenix 8
4.7

General fitness and workout tracking were reviewed very positively, with strong sensor-driven exercise data.

GPS accuracy
Product 1: Samsung Galaxy Watch Ultra (2024)
4.5

GPS performance was one of the watch’s strongest traits, with several reviewers calling it very solid or Garmin-level good.

Product 2: Garmin Fenix 8
4.6

GPS performance is one of the watch’s clearest strengths, with repeated praise for fast, highly accurate tracking.

health tracking accuracy
Product 1: Samsung Galaxy Watch Ultra (2024)
3.5

Health tracking has broad coverage and can be useful, but reviewers did not see all metrics as equally accurate.

Product 2: Garmin Fenix 8
4.2

Broader health tracking is well regarded overall, though reviewers focused more on usefulness than exhaustive lab-style validation.

heart rate accuracy
Product 1: Samsung Galaxy Watch Ultra (2024)
4.0

Heart-rate tracking was generally good for many runs and workouts, though it was not universally class-leading.

Product 2: Garmin Fenix 8
4.3

Heart-rate accuracy is generally strong, but fast intervals and some sport-specific edge cases still trip it up.

LTE connectivity
Product 1: Samsung Galaxy Watch Ultra (2024)
4.0

LTE is built in, and reviewers noted eSIM calling support.

Product 2: Garmin Fenix 8
1.2

LTE remains the biggest missing hardware feature, and reviewers repeatedly flagged its absence.

materials quality
Product 1: Samsung Galaxy Watch Ultra (2024)
4.5

Titanium and sapphire materials gave the watch a premium feel in multiple reviews.

Product 2: Garmin Fenix 8
4.2

Premium materials such as titanium, steel, and sapphire reinforce the high-end feel, even if they can still show wear.

menu navigation
Product 1: Samsung Galaxy Watch Ultra (2024)
2.5

Menu navigation was a weak point, especially without a rotating bezel or crown.

Product 2: Garmin Fenix 8
3.7

Garmin’s menus are more organized than before, but reviewers still found navigation uneven and occasionally cumbersome.

music controls
Product 1: Samsung Galaxy Watch Ultra (2024)
4.3

Music and media controls were convenient for skipping and pausing playback from the wrist.

Product 2: Garmin Fenix 8
3.0

Music controls are available during activities, though one reviewer disliked being stuck with the extra music page.

onboard music storage
Product 1: Samsung Galaxy Watch Ultra (2024)
No score yet
Product 2: Garmin Fenix 8
4.3

Offline music support is strong, with storage for provider downloads and local files across major services.

operating system experience
Product 1: Samsung Galaxy Watch Ultra (2024)
4.3

Wear OS 5 with Samsung’s interface delivered a refined, full-featured operating experience.

Product 2: Garmin Fenix 8
3.5

Garmin’s OS is capable and efficient, but it still feels more limited than watchOS or Wear OS.

outdoor visibility
Product 1: Samsung Galaxy Watch Ultra (2024)
4.5

Outdoor readability was a clear strength, especially in bright sunlight.

Product 2: Garmin Fenix 8
4.4

Outdoor readability is strong overall, with reviewers highlighting clear visibility and map legibility in real use.

pairing reliability
Product 1: Samsung Galaxy Watch Ultra (2024)
4.3

Initial setup was described as quick, and GPS lock was praised as very fast.

Product 2: Garmin Fenix 8
4.6

Initial syncing and service pairing were smooth in testing, with no major complaints around setup reliability.

recovery insights
Product 1: Samsung Galaxy Watch Ultra (2024)
4.0

The watch offers recovery-focused data including post-workout heart-rate recovery and sleep recovery factors.

Product 2: Garmin Fenix 8
4.1

Recovery-oriented features such as HRV trends and morning summaries add meaningful training context.

reliability
Product 1: Samsung Galaxy Watch Ultra (2024)
3.0

General reliability was mixed: some reviewers saw a stable, glitch-free experience, while others hit odd workout stops or unpredictable battery behavior.

Product 2: Garmin Fenix 8
4.0

Firmware maturity appears improved, with one long-term reviewer reporting a much more stable experience after updates.

safety features
Product 1: Samsung Galaxy Watch Ultra (2024)
4.5

The emergency siren stood out as a strong safety feature and was described as loud and useful.

Product 2: Garmin Fenix 8
4.7

Safety is a strong point thanks to breadcrumb navigation, storm alerts, and backcountry-oriented guidance tools.

size options
Product 1: Samsung Galaxy Watch Ultra (2024)
2.3

Size choice is limited, as the watch comes only in one large 47mm case.

Product 2: Garmin Fenix 8
3.8

The Fenix 8 line offers helpful size variety, but some reviewers disliked the loss of certain smaller variant combinations.

sleep tracking accuracy
Product 1: Samsung Galaxy Watch Ultra (2024)
3.6

Sleep tracking was usually close on timing and rich in detail, but some reviewers found scoring or stage data imperfect.

Product 2: Garmin Fenix 8
4.1

Sleep timing is usually accurate, especially for fall-asleep and wake times, though stage detail remains less convincing.

smartphone notifications
Product 1: Samsung Galaxy Watch Ultra (2024)
4.0

As a phone companion, the watch kept texts, apps, and notifications accessible from the wrist.

Product 2: Garmin Fenix 8
4.1

Notifications work well and are easy to access, with useful phone-linked alerts and media support.

smartwatch features
Product 1: Samsung Galaxy Watch Ultra (2024)
4.5

The overall smartwatch feature set was repeatedly praised as one of the most complete in Wear OS.

Product 2: Garmin Fenix 8
4.2

Smartwatch tools are broader than before, with microphones, speakers, music, and other daily-use additions helping close the gap.

software smoothness
Product 1: Samsung Galaxy Watch Ultra (2024)
4.5

Software smoothness was a standout, with multiple reviewers describing the watch as snappy and free of glitches.

Product 2: Garmin Fenix 8
3.0

Software responsiveness is mixed: some interactions feel polished, but lag still appears in certain menus or displays.

step counting accuracy
Product 1: Samsung Galaxy Watch Ultra (2024)
3.8

Step tracking was generally close enough for daily use, though some reviewers noticed occasional inaccuracies.

Product 2: Garmin Fenix 8
No score yet
stress tracking
Product 1: Samsung Galaxy Watch Ultra (2024)
2.3

Stress tracking exists, but reviewers found it inconsistent and underdeveloped.

Product 2: Garmin Fenix 8
3.6

Stress tracking is included in the wellness stack, though reviewers mostly mentioned it as a feature rather than validating it in depth.

style and design
Product 1: Samsung Galaxy Watch Ultra (2024)
3.5

Design reactions were mixed: some liked the premium, sporty look, while others found it derivative or bulky.

Product 2: Garmin Fenix 8
4.2

The design was seen as rugged and premium, though still undeniably large and utilitarian.

third-party app support
Product 1: Samsung Galaxy Watch Ultra (2024)
3.7

Third-party app support was strong overall, but there were still some limits such as third-party watch-face compatibility.

Product 2: Garmin Fenix 8
2.6

Third-party support exists through Connect IQ, but reviewers still see Garmin as limited compared with fuller smartwatch platforms.

touchscreen responsiveness
Product 1: Samsung Galaxy Watch Ultra (2024)
2.5

The touchscreen worked well when dry, but wet or sweaty use remained a problem.

Product 2: Garmin Fenix 8
4.4

Touch interaction is mostly strong, especially on AMOLED, and new touch-unlock behavior improves usability in workouts.

user interface
Product 1: Samsung Galaxy Watch Ultra (2024)
4.2

The interface felt refined and easy to use overall, even if navigation was not perfect.

Product 2: Garmin Fenix 8
3.5

The redesigned UI is more colorful and modern, but opinions remain mixed because it can still overwhelm or slow down common actions.

value for money
Product 1: Samsung Galaxy Watch Ultra (2024)
2.8

Value depends on the buyer: reviewers saw it as worthwhile for serious users, but too expensive and less compelling than the Watch 7 for many people.

Product 2: Garmin Fenix 8
2.6

Value is the watch’s weakest area: reviewers consistently praised performance but questioned the very high price.

voice assistant quality
Product 1: Samsung Galaxy Watch Ultra (2024)
No score yet
Product 2: Garmin Fenix 8
4.0

Voice features are useful for simple commands, but the experience is still more practical than truly seamless.

watch face quality
Product 1: Samsung Galaxy Watch Ultra (2024)
3.5

Samsung’s own watch faces were viewed positively and offered good customization, but outside watch-face support had limits.

Product 2: Garmin Fenix 8
4.1

Watch-face support is broad and customizable, with both built-in options and Connect IQ downloads available.

water resistance
Product 1: Samsung Galaxy Watch Ultra (2024)
3.5

Water resistance was good for pool and open-water use, but reviewers repeatedly noted that it is not a true dive watch.

Product 2: Garmin Fenix 8
4.8

Water performance is excellent, with certified dive-ready hardware and strong confidence around swimming and recreational diving use.

wellness insights
Product 1: Samsung Galaxy Watch Ultra (2024)
3.8

Energy Score and related wellness guidance could be useful, but newer insight features still need refinement.

Product 2: Garmin Fenix 8
4.2

Wellness insights are a meaningful strength, especially through HRV trends and broader recovery-oriented daily feedback.

workout tracking variety
Product 1: Samsung Galaxy Watch Ultra (2024)
4.5

Workout coverage was broad, with lots of exercise modes and solid multisport support.

Product 2: Garmin Fenix 8
4.8

Workout coverage is exceptionally broad, with reviewers highlighting the sheer range of sport profiles and activity support.