Compare Samsung Galaxy Watch 8 vs Samsung Galaxy Watch Ultra (2024)

Activity auto-detection was mostly praised as prompt and reliable, though one reviewer saw some repeated auto-pausing.

Reviewers generally praised automatic workout detection, saying it started or paused workouts reliably and often worked without asking for confirmation.

Antioxidant Index was the weakest new health feature overall, with reviewers calling it interesting or quick but repeatedly questioning usefulness, consistency, and anxiety potential.

Only the one-year review gave opinionated evidence on antioxidant tracking, and it was lukewarm because the reviewer had barely used it and noted it was not passive.

The app ecosystem received limited but strong praise because Wear OS gives the watch access to Google Play.

Wear OS app access was treated as a major strength, with reviewers citing useful mainstream apps and thriving third-party support, though not every customization app remained compatible.

Band quality was mixed-to-positive, with praise for comfort and softness but criticism of proprietary/incompatible strap changes.

Band feedback was split: several reviewers liked the ease, comfort, or redesigned mechanism, while others criticized the Marine or stock band design.

Battery life was the most repeated drawback, with reviewers often calling it daily-use or one-day performance despite a few positive or improved results.

Battery life was one of the clearest improvements, usually landing around two to three days, though reviewers still noted it falls short of true outdoor-watch endurance.

Blood oxygen tracking drew limited but mostly positive evidence, with one reviewer matching an oximeter while another found it weaker during sleep.

Blood oxygen evidence was limited and negative, with one review finding the overnight readings unusually low versus other wearables.

Bluetooth-related sensor connectivity drew criticism in the FTP/power-meter context, where the connection was described as spotty.

Brightness was a clear strength, with reviewers praising the move to 3,000 nits and strong direct-sunlight readability.

Brightness was widely praised, especially the 3,000-nit display and strong automatic brightness behavior in direct sun.

Build quality was mixed, with praise for toughness and durability ratings offset by concern about the raised glass and one reviewer’s material doubts.

Build quality was a standout strength, with reviewers repeatedly calling it top-notch, excellent, solid, or tank-like.

Button controls were mixed: customization was useful, but the base model’s two buttons and lack of a Quick Button or physical bezel frustrated some reviewers.

Button feedback was mixed: reviewers liked the Quick Button and tactile controls, but several missed a rotating bezel or crown-like navigation.

Call handling had limited but positive evidence, with one long-term reviewer saying calls worked well enough to use more often.

Charging convenience was mixed-to-negative because daily charging routines worked for some, but missing bricks and lost reverse wireless charging hurt convenience.

Charging convenience was mixed: one reviewer liked infrequent charging, while others disliked losing reverse wireless charging.

Charging speed was mixed, ranging from quick top-ups or roughly one-hour charges to complaints about nearly two-hour full charges.

Charging speed was a repeated weakness, with reviewers often reporting around two hours or saying faster charging should be expected at this tier.

Coaching features were useful for many reviewers, especially Running Coach and sleep/running guidance, but one experienced runner found the plan too beginner-focused.

Coaching evidence was limited and mixed, with strength-training voice guidance seen as potentially useful but dependent on the user’s routine.

Comfort was the clearest consensus strength, with many reviewers saying the thin, light redesign made it easy to wear for workouts, sleep, and all-day use.

Comfort was highly wrist-dependent: several reviewers found it comfortable despite the size, while others said it disrupted sleep or remained hard to forget.

Companion app quality was mixed-to-positive: Samsung Health was praised as helpful and well-designed, while the need for multiple apps was criticized.

Companion app feedback was limited but negative because one reviewer disliked needing three separate Samsung apps to access full watch functionality.

Contactless payments had limited evidence, but one reviewer explicitly called the feature nice.

Payments were useful and reliable in the positive evidence, though one reviewer found PIN friction annoying.

Cross-platform compatibility was a recurring caveat: reviewers noted important Samsung-exclusive features and weaker appeal for non-Samsung Android users.

Compatibility was a recurring concern: reviewers praised Samsung ecosystem integration but criticized Samsung-phone-only features and Android-only restrictions.

Customization options were praised, especially customizable tiles, watch faces, quick settings, and broad watch personalization.

Customization was praised for giving easy access to preferred health information and allowing users to tailor the home screen.

Display quality was consistently praised as vivid, colorful, gorgeous, and enjoyable, with reviewers repeatedly highlighting Samsung’s AMOLED panel.

Display quality was one of the strongest areas, with reviewers calling the AMOLED screen excellent, gorgeous, and among the best on Android watches.

Durability was mixed: certifications, sapphire glass, and protective design were praised, while raised glass and early nicks worried reviewers.

Durability was generally strong, supported by scratch resistance and long-term wear, though one reviewer noted everyday case indentations.

ECG functionality was viewed as dependable and easy to use, with reviewers noting accessible readings and clear reports.

ECG evidence was limited and lukewarm, with one reviewer finding it interesting but not personally necessary.

Fit was mixed: some reviewers loved how naturally it disappeared on the wrist, while others noted band sizing or snugness issues.

Fit evidence was limited but positive, with one reviewer able to get a snug, usable fit from the supplied band setup.

Fitness tracking accuracy was mixed-to-positive: reviewers praised general workout accuracy but noted treadmill offsets, mixed intense-workout results, and GPS-related limitations.

Fitness tracking accuracy was mostly positive but not flawless, with reviewers finding valid or strong data while also flagging average or sport-specific weaknesses.

Flashlight evidence was limited but positive, with one reviewer naming the flashlight shortcut as their favorite Quick Button use.

GPS accuracy split reviewers: one found it fast and accurate, while another said it fell short of top dual-band sports watches.

GPS accuracy drew strong agreement: multiple reviewers found routes, lock speed, and distance tracking accurate, with only some urban caveats.

Reviewers generally found health tracking solid, with strong Samsung Health breadth and close-enough or very accurate results, though not every metric was treated as medical-grade.

Health tracking accuracy was mixed: some readings closely matched controls, but broader health metrics and fitness tracking drew caveats.

Heart-rate tracking earned strong marks across workouts, with reviewers describing readings as dependable, precise, and close to comparison devices.

Heart rate accuracy was good for many runs and workouts, but several reviews found sport-specific misses, especially cycling, rowing, or rough conditions.

LTE connectivity evidence was opinionated around the forced LTE/cellular model, which one reviewer disliked because there was no cheaper Bluetooth-only version.

Mapping and navigation was split, with Gemini/Maps impressing one reviewer but another being sent back to the phone for actual directions.

Navigation was a weak spot: reviewers liked basic Track Back or GPX-style routing but criticized missing maps and bare-minimum routing.

Materials quality had limited negative evidence, focused on the aluminum case feeling relatively soft.

Materials quality was praised for titanium and sapphire construction, with reviewers describing the casing and glass as premium or durable.

Menu navigation was mixed: reviewers liked the cleaner UI and intuitive onboarding, but criticized the digital bezel and lack of tactile controls.

Menu navigation was one of the weaker usability areas, mainly because reviewers missed the rotating bezel and found Tile scrolling tedious.

Music controls received mixed evidence because one reviewer found gesture music control limited to Samsung Music Player in testing.

Music controls had limited but positive evidence, with one reviewer liking the ability to pause or skip audio from the watch.

Onboard storage was treated positively, with one reviewer saying the regular Watch 8’s capacity should be more than enough for most people.

The operating system experience was widely praised for Wear OS and One UI improvements, though one reviewer still found the watch software somewhat busy.

Operating system feedback was mostly positive for Wear OS completeness, though the one-year review noted a One UI update skewed some running metrics.

Outdoor visibility was praised as strong thanks to the bright display, though one reviewer still wanted better anti-reflective treatment.

Outdoor visibility was consistently strong thanks to the bright display, with reviewers reporting easy readability in sun and outdoor workouts.

Pairing reliability had limited but positive evidence, with setup described as straightforward once the Galaxy Wearable app takes over.

Pairing reliability was mixed: phone/GPS pairing could be easy or reliable, while power-meter pairing was strongly criticized.

Recovery guidance had limited evidence, but one reviewer appreciated that the watch leaned toward rest rather than pushing overreaching.

Recovery insights were useful when tied to Energy Score, Wellness Tips, sleep score factors, and physical recovery context, though reviewers did not treat them as perfect.

Reliability had limited mixed evidence, with one reviewer liking the watch but warning about software gremlins and setup friction.

Reliability was mixed: some reviewers saw software or wear-detection quirks, while another only complained about a missing low-battery warning.

Safety features had limited positive evidence, with the emergency siren described as loud enough to be meaningful.

Size options had limited positive evidence, with one reviewer appreciating that Samsung offers smaller and larger versions.

Size options were a common limitation because the watch only comes in one large 47mm case and several reviewers found it bulky.

Sleep tracking was one of the stronger health areas, with reviewers noting complete data, accurate duration, useful reports, and good alignment with other wearables.

Sleep tracking accuracy was mixed: some reviewers found sleep timing and stages accurate, while others saw gaps, inflated scores, or difficulty distinguishing waking from stillness.

Notification handling was mixed, with one reviewer liking the redesigned notification flow and others finding alerts too easy to miss or slow to wake.

Notifications were generally useful and prompt in the scored evidence, helping the watch function as a less distracting phone extension.

Smartwatch features were praised as comprehensive and helpful, especially with AI and health tools, though some reviewers framed the package as better for Samsung users.

Smartwatch features were praised overall, especially for Samsung users, though some reviewers stressed it is still a large, premium sports-style smartwatch.

Software smoothness was mostly strong, with reviewers describing the watch as snappy, fluid, reactive, and largely lag-free, despite one wake-up complaint.

Software smoothness was a strong point, with reviewers repeatedly describing the interface as snappy, glitch-free, or without lag.

Step counting was considered good overall, with manual checks lining up and only small offsets in one comparison.

Step counting was acceptable but imperfect, with one reviewer tolerating discrepancies and another noting phantom steps while driving.

Stress tracking evidence was limited but positive, centered on the watch clearly presenting stress levels through vascular-load-related insights.

Stress tracking was weak in the available evidence, with one review calling it an afterthought and another saying it made them more stressed.

Style and design was polarizing: many praised the refreshed cushion look, but several reviewers disliked the squircle design or thought it looked unfinished.

Design reactions were highly polarized: some reviewers loved the bold Ultra look, while others called it derivative, bulky, or aesthetically off.

Third-party app support was praised strongly, with one reviewer saying the watch supports every major smartwatch app they wanted.

Third-party app support was useful through Wear OS, but custom watch-face support created a notable limitation for one reviewer.

Touchscreen responsiveness was praised overall, with reviewers describing swipes, taps, and controls as snappy or very responsive.

Touch interaction was mixed: the touch bezel could be excellent, but wet or sweaty workout use remained a clear limitation.

The user interface drew positive evidence for better organization, a useful Now Bar, cleaner notifications, and easy navigation.

The user interface was praised by the reviewers who scored it, especially for refinement, tiles, and intuitive operation.

Value for money was mixed: several reviewers saw strong value or a worthwhile buy for Samsung users, while others questioned the price hike and limited upgrade case.

Value was one of the most contested areas because reviewers liked the watch but repeatedly compared its $649 price against cheaper Galaxy alternatives.

Gemini and voice assistant features were one of the most consistently praised upgrades, often described as faster, more useful, and better integrated than prior assistants.

Voice assistant evidence was limited but positive when using Google Assistant instead of Bixby.

Watch face quality had limited but positive evidence from a reviewer who loved the level of watch-face customization.

Watch faces were a highlight for several reviewers, with praise for aesthetics, data density, and wide selection.

Water resistance had limited positive evidence from a reviewer who swam with the watch without issues.

Water resistance was useful for swimming and surf-style testing, but reviewers repeatedly cautioned that it is not a true dive-sports watch.

Wellness insights were a major strength overall, especially Energy Score, vascular load, sleep coaching, and actionable Samsung Health guidance, though bedtime guidance was less useful for routine sleepers.

Wellness insights were mixed: Energy Score and tips sometimes felt useful or accurate, while AGEs and some readiness-style metrics were vague or inconsistent.

Workout variety was praised as broad, with plentiful modes and a long list of activities to track.

Workout variety was good for mainstream exercise and multisport use, though one review noted the data-field depth still trails endurance-focused rivals.