Compare Samsung Galaxy Watch Ultra (2025) vs Garmin fenix 8 Pro

Workout auto-detection is broadly useful, with reviewers citing automatic workout detection and reliable walk detection, though manual starts remain better for some activities.

The app ecosystem is a strength: reviewers mention many available apps, Google Play access, and expanded usefulness from the extra storage.

Reviewers noted Garmin’s Connect IQ and app ecosystem, while setup evidence also showed that multiple apps can complicate the experience.

Band feedback is mostly positive for comfort, stability, and easy removal, though one reviewer noted dirt collecting in the strap holes.

Band and strap evidence was generally positive, with QuickFit or quick-release swapping and removable silicone straps mentioned across reviews.

Battery life is one of the clearest strengths, often described as the best in Samsung’s lineup, though heavy GPS or always-on use can reduce it.

Battery life drew strong praise on AMOLED models, but MicroLED, live tracking, and always-on LTE created meaningful runtime tradeoffs.

Blood oxygen tracking is present across the health sensor set, but one long-term reviewer found SpO2 readings routinely low.

Blood oxygen support appeared through Pulse Ox and pulse oximeter references, mainly as part of the broader health-tracking sensor set.

Bluetooth support is present, including Bluetooth 5.3 mentions, but external sensor connections were criticized or described as unavailable.

Bluetooth was mentioned as part of phone-watch connectivity and setup, with LTE or satellite taking over when Bluetooth was unavailable.

Brightness earns strong praise, with reviewers citing high nits, bright AMOLED output, and easy readability.

Brightness was one of the strongest display themes, with reviewers highlighting brighter AMOLED output and very high MicroLED brightness.

Build quality is consistently praised through the rugged titanium case, durable chassis, and robust construction.

Build quality was described as premium and solid, supported by titanium, sapphire, thicker construction, and rugged positioning.

Button controls are mixed: reviewers like the Quick/action button and programmable shortcuts, but one long-term reviewer disliked accidental presses and limited workout button behavior.

Button controls were viewed positively overall, with tactile feedback, action-button access, and easier navigation noted.

Call handling is supported through Bluetooth calling, speaker/mic use, and smartwatch features for calls and texts.

Call handling was useful over LTE, but reviewers also noted Messenger-app limits, call failures, and uneven reliability.

Calorie tracking is included as part of the activity metrics, but the evidence is limited to feature availability rather than deep accuracy testing.

Calorie tracking appeared as an at-a-glance watch-face data point rather than as a deeply tested metric.

Charging is wireless and reasonably convenient, but one reviewer criticized the missing wall charging block.

Charging speed gets limited but positive evidence, with one review reporting a full charge in about 95 minutes.

Coaching features are a real addition, especially Running Coach, with reviewers describing personalized plans and guidance.

Coaching features were a strength, including Garmin Coach, Training Readiness, daily suggested workouts, and training analysis.

Comfort depends on wrist and expectations: some reviewers found it comfortable, while others felt the weight or bulk.

Comfort was mixed to negative because the watch is thick and bulky, though one reviewer said it wore better than the numbers suggest.

The companion app setup is useful but split, with health and smartwatch settings divided between Samsung Health and Galaxy Wearable.

Companion app quality was split: standard setup and Connect were praised, while LTE/inReach/Messenger setup was called cumbersome.

Contactless payments are supported through Samsung Wallet or Samsung Pay shortcuts.

Contactless payments were noted through NFC payments as part of the watch’s Garmin smart-feature set.

Cross-platform compatibility is limited: reviews say it works with Android but not iPhone, with the best experience tied to Samsung phones.

Cross-platform evidence was limited but positive, with Android setup tested and Apple-device setup expected to be similar.

Customization is strong across programmable buttons, widgets, tiles, colors, and watch-face data.

Customization stood out through data fields, watch-face configuration, custom focus modes, canned messages, and flexible connectivity controls.

Display quality is a major strength, with repeated praise for the large, vibrant AMOLED display.

Display quality was highly praised for sharpness, vibrancy, brightness, and visibility, though MicroLED battery tradeoffs appeared.

Durability is a standout, backed by titanium construction, MIL-STD claims, scratch protection, and reviewer reports of little damage.

Durability was a major strength, with ruggedness, MIL-STD testing, sapphire, titanium, and adventure use all supporting high scores.

ECG functionality is widely listed as part of the health feature set, though one review notes Samsung-phone pairing requirements for ECG and blood pressure.

ECG support was clearly present, with reviewers mentioning ECG readings, rhythm checks, and AFib detection.

Fit is polarizing: it can fit some larger wrists well, but reviewers also note the single 47mm size and large wrist footprint.

Fit was a recurring concern because of thickness, bulk, and the lack of a smaller 43 mm model.

Fitness tracking accuracy is generally good for everyday and running use, though scientific testing places it below the top alternatives.

Fitness tracking accuracy was mostly praised for GPS and heart-rate data, though one field test reported a map-track bug after satellite messaging.

GPS accuracy is good in several reviewer tests and supports dual-frequency GPS, but scientific testing found some route deviation.

GPS accuracy was consistently praised by running reviewers, with multi-band GPS and marathon/testing evidence, aside from one reliability bug.

Health tracking is feature-rich but mixed in accuracy, with strong sensor coverage offset by questionable antioxidant, HRV, and some sleep-stage findings.

Health tracking accuracy was supported mainly by strong heart-rate and GPS evidence from wrist-based workout testing.

Heart-rate accuracy is strongest in running evidence, with one reviewer matching a Polar strap closely, while scientific testing calls it good rather than elite.

Heart-rate accuracy was widely positive, with several reviewers comparing readings favorably against chest straps.

LTE is a consistent advantage because it is standard or broadly available, though one reviewer notes carrier setup can cost extra.

LTE connectivity was the flagship upgrade, useful for phone-free messaging, calls, LiveTrack, and safety, but field reliability varied.

Navigation support is useful through offline maps, Google Maps routing, and GPS widgets, but one reviewer notes no built-in maps on-watch.

Materials quality is strong, centered on titanium, sapphire/robust design references, and corrosion-resistant claims.

Materials quality was consistently premium, with titanium, sapphire, polymer construction, and rugged bezels repeatedly mentioned.

Menu navigation is mostly straightforward through swipes, app drawers, digital bezel haptics, and simple operation.

Menu navigation was generally flexible and familiar, though LTE-signal access and option complexity created some friction.

Music features are useful for downloaded Spotify, streaming, media tiles, and larger storage for music.

Music features included Garmin music services and Spotify support, but one reviewer noted there was no Spotify streaming over LTE.

Onboard storage is a clear 2025 upgrade, repeatedly described as 64GB and useful for music, apps, and offline maps.

Onboard music was supported by downloading music to the watch and linking to Spotify, Amazon Music, and Deezer.

The operating system experience benefits from One UI 8/Wear OS updates, Gemini, Now Bar, and refreshed interface features.

The operating system experience was familiar and capable, but not dramatically changed in software features.

Outdoor visibility is excellent, with multiple reviewers saying the bright display remains readable in sunlight.

Outdoor visibility was a clear strength, with multiple reviewers praising sunny-day, full-sun, and harsh-light readability.

Pairing and setup reliability are positive where tested, with instant recognition and quick setup noted.

Pairing reliability was strong in the standard setup flow, with QR/app pairing described as painless and quick.

Recovery-style insights are mixed: vascular load interests some reviewers, while HRV and related metrics draw skepticism.

Recovery insights were a Garmin strength, especially Training Readiness, Body Battery, sleep-related guidance, and daily health insights.

Reliability is mostly acceptable but not flawless, with one review noting brief display interruptions and another calling performance not horrible rather than perfect.

Reliability was mixed: some reviewers praised rugged dependability, while others found satellite, LTE, software, and GPS-track issues.

Safety features include fall detection, emergency siren references, sleep apnea alerts, and related health/safety setup options.

Safety features were central, including LiveTrack, incident detection, LTE/satellite SOS, and check-ins, but paid SOS access was a concern.

Size options are limited by the single large 47mm format, though the band can fit a range of wrists and the screen size appeals to some users.

Size options were a consistent weakness because the Pro dropped the 43 mm option and starts at larger, bulkier cases.

Sleep tracking is useful and improving, but reviewers disagree on sleep stages and awake-time accuracy.

Smartphone notifications are well supported, with reviewers noting detailed notification views and suggested replies.

Smartwatch features are broad, including LTE, calls, texts, Gemini, Now Bar, storage, and Samsung’s full watch software stack.

Smartwatch features were broad for Garmin, including LTE communication, music, payments, apps, and safety tools, but still less app-rich than Apple.

Software smoothness is generally good, with smooth app launches and more functional One UI behavior, despite occasional reliability caveats.

Software smoothness was mixed, with some smooth navigation evidence and one review reporting restarts and bugs.

Step counting is positive in basic walking tests, but one reviewer notes accuracy drops when arms are not swinging.

Stress tracking is included in Samsung’s health sensor set, though the reviews provide feature evidence more than accuracy testing.

Stress tracking was mentioned as part of the broader health and wellness tracking suite.

Style is divisive: some reviewers like the rugged, colorful, stylish look, while others find it bulky or not pretty.

Style and design were viewed positively for rugged, premium looks, though bulk affected wearability.

Third-party app support is solid through Google Play, fitness apps such as Strava and Map My Run, and a growing Wear OS app selection.

Third-party app support was present through Connect IQ, but app experience and Garmin Messenger setup were less polished than mainstream smartwatches.

Touchscreen responsiveness and gesture operation are described as intentional and straightforward in the long-term review evidence.

Touchscreen responsiveness evidence was limited but positive, with responsiveness described as matching the non-Pro Fenix 8.

The user interface is improved and functional, though some reviewers dislike parts of the visual layout.

The user interface was data-rich and familiar, but small-keyboard typing made some communication tasks fiddly.

Value for money is the main weak point because reviewers repeatedly question the high price and minimal 2025 hardware changes.

Value for money was the clearest concern: reviewers repeatedly tied worth to whether LTE/satellite connectivity is truly needed.

Voice assistant quality is a strength with Gemini, which reviewers describe as convenient, useful, and directly available on the wrist.

Watch faces are a strength, with reviewers praising quantity, customization, and Samsung’s polished face designs.

Watch-face quality was mixed, with quick swapping and rich data fields balanced by one reviewer disliking the default face.

Water resistance is a strong feature, with reviews citing 5ATM/10ATM ratings, IP68 claims, and pool/rain/snow use.

Water resistance was strong, with 100 m water resistance and dive-related use repeatedly noted.

Wellness insights are useful but uneven: sleep coaching and vascular load get interest, while energy score and antioxidant index receive skepticism.

Wellness insights were supported by Morning and Evening Reports, Body Battery, recovery guidance, and daily health insights.

Wi-Fi support is present across connectivity mentions, including LTE/Wi-Fi model references.

Wi-Fi connectivity was mentioned in the specification context alongside Bluetooth, LTE-M, and GPS.

Workout variety is strong, with reviewers citing many tracked activities, multisport/triathlon capability, and broad exercise lists.

Workout tracking variety was a major strength, with reviewers citing broad sports modes, serious runner metrics, and comprehensive tracking.