Average score
Product 1: Samsung Galaxy Watch Ultra (2024)
3.7
Product 2: Garmin Vivoactive 6
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 Vivoactive 6
3.8

Auto-start is genuinely useful and can launch runs quickly, but one reviewer found it a little too eager when casual walking was not meant to be tracked.

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 Vivoactive 6
2.3

The app ecosystem is limited by mainstream smartwatch standards, with reviewers repeatedly calling out weak third-party app breadth and a separate Connect IQ experience.

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 Vivoactive 6
3.0

Band impressions are mixed: some reviewers liked the softer, less plasticky feel and stretch, while another reported initial skin rubbing from the silicone strap.

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 Vivoactive 6
4.3

Battery life is a clear strength, with reviewers commonly landing around a week of real use and some citing up to about 11 to 12 days in lighter scenarios.

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 Vivoactive 6
4.0

Blood oxygen tracking is present as part of the health suite, though reviewers mostly described availability rather than deeply validating its accuracy.

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 Vivoactive 6
4.3

Bluetooth support is versatile, covering external sensors, headphones, and accessory pairing without much friction.

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 Vivoactive 6
3.8

The screen is generally considered brighter than before and reasonably bright overall, though glare can still make it harder to read in harsh light.

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

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

Product 2: Garmin Vivoactive 6
4.0

Build quality is solid for the price, with reviewers calling the watch well-built and well-constructed despite its lighter materials.

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 Vivoactive 6
4.2

The two-button setup is easy to use, and several reviewers specifically liked the updated raised button design and tactile feel.

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 Vivoactive 6
2.8

Call handling is basic rather than full smartwatch grade: you can manage call prompts in some cases, but reviewers also stressed that true on-wrist calling is limited or absent.

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 Vivoactive 6
3.5

Calorie tracking is available in the daily metrics and app views, but reviewers did not spend much time validating how actionable it feels beyond basic logging.

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 Vivoactive 6
2.8

Charging convenience is mixed because the cable connection is secure, but the proprietary charger remains a recurring complaint.

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 Vivoactive 6
3.7

Charging speed is decent rather than class-leading, with reviewers describing it as fairly quick but still taking around an hour to an hour and 45 minutes.

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 Vivoactive 6
4.5

Garmin Coach and related plans are a strong point, with useful running, cycling, strength, and guided workout support called out across reviews.

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 Vivoactive 6
4.8

Comfort is one of the Vivoactive 6’s biggest wins thanks to its low weight, slim profile, and easy all-day and overnight wear.

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 Vivoactive 6
3.3

Garmin Connect is rich and motivating for some reviewers, but others found it complex, overwhelming, or in need of refinement.

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 Vivoactive 6
3.8

Garmin Pay is a helpful everyday convenience, though one reviewer noted it still feels less polished than Apple Watch or Wear OS payment flows.

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 Vivoactive 6
4.5

The watch works well with both Android and iOS, making it an easy fit for users who do not want to be locked into one phone platform.

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 Vivoactive 6
4.3

Customization is strong, with flexible watch faces, widgets, fonts, and expanded data-page setup helping users tailor the watch to their preferences.

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 Vivoactive 6
4.3

Display quality is strong overall, with reviewers praising the AMOLED panel for being vibrant, sharp, and pleasant to look at.

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 Vivoactive 6
3.5

Durability is respectable for normal use, but not flawless, as some reviewers praised its toughness while another noticed scratches during everyday wear.

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 Vivoactive 6
1.5

ECG is a clear omission here, and multiple reviews explicitly highlighted that the Vivoactive 6 does not offer it.

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 Vivoactive 6
4.0

Fit is generally very good on smaller or average wrists, though the single-size approach limits flexibility for people who want a different case size.

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 Vivoactive 6
4.5

Fitness tracking accuracy is one of the product’s core strengths, with multiple reviewers calling its activity tracking highly accurate and dependable.

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 Vivoactive 6
4.3

GPS accuracy is consistently praised for this price tier, even if reviewers still note that Garmin’s higher-end multiband models can do better in tougher conditions.

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 Vivoactive 6
4.3

Health tracking broadly compares well with competing devices, with reviewers finding the overall mix of measurements and wellness monitoring impressively accurate for the class.

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 Vivoactive 6
4.0

Heart-rate accuracy is good for steady efforts and everyday use, but some reviewers still saw lag or weaker behavior during harder interval-style sessions.

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

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

Product 2: Garmin Vivoactive 6
1.5

LTE is not available, so this is not the watch to buy if you want cellular freedom away from your phone.

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 Vivoactive 6
3.0

Materials are functional more than luxurious, combining polymer and aluminum parts in a package that feels light but not especially premium.

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 Vivoactive 6
3.7

Menu navigation is improved and easier than earlier Garmin efforts, though some reviewers still felt the structure could be confusing at times.

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 Vivoactive 6
4.0

Music controls cover the basics well enough, including playback control from the watch without needing a more full-featured app experience.

onboard music storage
Product 1: Samsung Galaxy Watch Ultra (2024)
No score yet
Product 2: Garmin Vivoactive 6
4.3

Onboard music storage is a real plus, with 8GB available and support for syncing or downloading music from major services like Spotify.

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 Vivoactive 6
4.5

The operating system feels more polished and intuitive than before, helping the watch feel less clunky than older Garmin experiences.

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

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

Product 2: Garmin Vivoactive 6
4.5

Outdoor visibility is mostly very good, with several reviewers saying the display remains readable in direct sunlight.

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 Vivoactive 6
4.5

Pairing is straightforward for sensors and music services, with reviewers describing setup and connections as easy or painless.

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 Vivoactive 6
4.3

Recovery insights are useful and fairly deep for the segment, including metrics like HRV status, recovery times, and related training feedback.

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 Vivoactive 6
4.5

Reliability is a strong theme across reviews, with the watch described as dependable in daily use, workout recording, and connected features.

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 Vivoactive 6
4.2

Safety tools such as incident detection and LiveTrack add meaningful protection, even if one reviewer felt they were not the most detailed in class.

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 Vivoactive 6
2.5

Only one size is offered, and reviewers repeatedly flagged that lack of size choice as a compromise.

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 Vivoactive 6
3.6

Sleep tracking is generally good but not perfect, with several reviewers finding it solid overall and others noting misses or weaker stage detection on some nights.

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 Vivoactive 6
4.0

Smartphone notifications work well for the basics, with clear alerts and a generally pleasant experience on the wrist.

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 Vivoactive 6
4.0

Smartwatch features are good enough for everyday basics, but they stop short of the richer experience offered by full app-heavy smartwatch platforms.

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 Vivoactive 6
4.5

Software smoothness is a strong area, with reviewers describing the watch as fast, smooth, and responsive in use.

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 Vivoactive 6
4.2

Step counting is generally reliable and aligns well with other trackers, even if one reviewer saw inconsistency across tests.

stress tracking
Product 1: Samsung Galaxy Watch Ultra (2024)
2.3

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

Product 2: Garmin Vivoactive 6
4.0

Stress tracking is part of the health stack and appears useful day to day, though reviews focused more on availability than deep validation.

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 Vivoactive 6
4.5

Style and design are widely praised, with reviewers liking the slim, sleek, casual look that works beyond workouts.

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 Vivoactive 6
2.8

Third-party app support exists but remains limited, and it still trails watchOS and Wear OS by a wide margin.

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 Vivoactive 6
4.5

The touchscreen is widely described as responsive and easy to use, helping the watch feel modern despite its fitness-first roots.

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 Vivoactive 6
4.5

The refreshed interface is one of the clearest improvements, making the watch noticeably more intuitive and beginner-friendly.

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 Vivoactive 6
4.7

Value for money is excellent, with many reviewers framing the Vivoactive 6 as one of Garmin’s strongest deals.

voice assistant quality
Product 1: Samsung Galaxy Watch Ultra (2024)
No score yet
Product 2: Garmin Vivoactive 6
1.5

Voice features are weak because there is no built-in speaker or voice assistant, and reviewers clearly noticed that omission.

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 Vivoactive 6
4.0

Watch-face options are flexible, but quality is mixed because some faces or always-on views are easier to read than others.

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 Vivoactive 6
4.5

Water resistance is solid at 5 ATM, making the watch suitable for swimming and other everyday wet conditions.

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 Vivoactive 6
4.3

Wellness insights are strong, especially around Body Battery, Morning Report, sleep context, and other at-a-glance readiness information.

Wi-Fi connectivity
Product 1: Samsung Galaxy Watch Ultra (2024)
No score yet
Product 2: Garmin Vivoactive 6
4.0

Wi-Fi support helps with updates and music-related tasks, though reviewers did not discuss it in much depth.

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 Vivoactive 6
4.8

Workout tracking variety is excellent, with reviewers repeatedly highlighting the large number of sport profiles and supported activities.