Compare Suunto Vertical 2 vs Samsung Galaxy Watch Ultra (2025)

Evidence for automatic activity handling is limited; the clearest support is commute logging for walking or cycling rather than broad automatic workout detection.

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 serviceable and can connect with health/training platforms, but multiple reviewers explicitly said it is not as deep or rich as Garmin's.

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

Band quality is mostly positive, especially softness, stretch, and comfort, though one reviewer disliked the stock band and another noted initial stiffness.

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

Battery life is the headline strength, with nearly every reviewer praising long smartwatch runtime, strong GPS endurance, and unusually good AMOLED stamina.

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.

Blood oxygen tracking is present and repeatedly mentioned as part of the health suite, with one reviewer noting more stable readings from the redesigned sensor.

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

Bluetooth support is useful for headphones, turn prompts, and music control, but the evidence is narrower than for core fitness features.

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

Brightness was strongly praised, with multiple reviewers highlighting the 2,000-nit AMOLED screen and strong lighting performance, despite one complaint about dim indoor behavior.

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

Build quality is rugged and premium, with reviewers citing solid metal construction, sapphire protection, and little concern about normal outdoor knocks.

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

Button controls are a strong outdoor feature, especially with gloves, though several reviewers preferred a dial or wanted more consistent back-button behavior.

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.

Call handling is limited. Reviewers mention seeing, answering, or declining calls, but not full on-watch calling.

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

Calorie data is available in daily and workout summaries, but usefulness is moderated by one reviewer's concern that calories were overestimated.

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

Charging convenience is much improved thanks to a stronger magnetic USB-C charger, with reviewers repeatedly saying it stays attached and fixes older friction.

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

Charging speed is acceptable rather than exceptional, with evidence around roughly 90 minutes to 1 hour 45 minutes for a full or near-full charge.

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

Coaching features are meaningful, with Suunto Coach, AI-driven suggestions, and plans appearing in multiple reviews, but one reviewer found plan duration limitations.

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

Comfort is the main physical tradeoff: several reviewers found it wearable or surprisingly comfortable, but many also called it heavy, bulky, or chunky for sleep and daily wear.

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

The companion app is generally clean, useful, and increasingly complete, but it is not universally praised because some reviewers found it less engaging or less reliable in the background.

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

Contactless payment support is effectively absent; reviewers directly noted no tap-to-pay or wallet-style functionality.

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

Cross-platform compatibility is directly supported by iOS and Android compatibility, though platform-specific smart features remain limited.

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

Customization is solid for data fields, shortcuts, sports modes, widgets, and watch faces, though some changes require the app or SuuntoPlus.

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

Display quality was one of the most consistent strengths: reviewers praised the AMOLED screen as bright, sharp, colorful, clear, and a major upgrade.

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

Durability is a strong point, with reviewers reporting scratch resistance, tough outdoor confidence, and only minor wear in some cases.

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

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.

Fit is generally secure once dialed in, with reviewers praising wrist stability while also noting that fit matters for heart-rate accuracy on a larger watch.

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

Fitness tracking was generally trusted, especially when reviewers considered GPS and heart-rate data together, though the broader accuracy picture still depends on activity and fit.

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

Land-based GPS accuracy was one of the strongest areas, with reviewers calling it spot-on, near-perfect, or flawless; the main caveat was poorer open-water swim behavior in one test.

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

General health metrics were treated as useful and mostly credible, but reviewers tied accuracy to specific metrics and noted edge cases around sleep, steps, calories, and heart-rate behavior.

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

Heart-rate accuracy was improved over older Suuntos and often solid for steady running, hiking, and cycling, but several reviewers saw startup, interval, cadence-lock, or large-watch fit issues.

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.

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

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 high, with stainless steel or titanium, sapphire glass, and metal construction repeatedly highlighted.

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

Menu navigation is improved but not perfect: reviewers liked the button flow and app structure but cited clunky flashlight access, route limits, and some unintuitive activity organization.

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

Music controls work for phone-based playback and Bluetooth-headphone control, but reviewers consistently position them as basic controls rather than full music features.

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

Onboard music storage is a consistent weakness, with reviewers repeatedly stating that the watch cannot store music or run offline music services.

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

The operating system feels smoother and more intuitive than older Vertical software, but reviewers still see Garmin as more complete.

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

Outdoor visibility was excellent across the evidence, with reviewers repeatedly saying the screen stayed readable in sun, low light, bad weather, and direct sunlight.

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

Pairing and syncing reliability is mixed: one reviewer had no connection issues, another praised fast syncing, while another reported background refresh friction.

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

Recovery insights are a clear strength, with reviewers citing recovery time, resources, training stress, chronic load, and performance trends across the watch and app.

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

Reliability is mostly positive for navigation and outdoor use, but there are caveats around map rendering, background sync, and setup friction.

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

Safety features center on the LED flashlight, red mode, alerts, SOS-style patterns, offline maps, and find-back navigation, though true satellite SOS is missing.

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

Size options are limited. Reviewers repeatedly frame it as a large 49mm watch, with steel and titanium trims but little real case-size choice.

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.

Sleep tracking drew mixed-positive comments: some reviewers found it accurate or improved, while others reported quirky stage or wake detection and noted the watch can feel large overnight.

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

Notifications are functional but basic: several reviewers called them read-only or limited, though another found them reliable for calls, messages, and app alerts.

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

Smartwatch functionality is intentionally stripped back, with reviewers emphasizing the absence of richer lifestyle features and framing it as an outdoor tool.

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

Software smoothness was widely praised, with repeated comments about faster menus, snappier performance, smoother animations, and a much improved interface.

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

Step tracking is supported and visible in daily stats, but evidence is mixed because one reviewer specifically reported frequent step overcounting.

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

Stress-related tracking appears through ZoneSense, HRV, TSB, and Training Stress Score rather than a simple lifestyle stress widget, making it more training-focused.

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

Style and design were praised more than typical rugged watches, with reviewers calling it sleek, refined, futuristic, and good-looking despite its size.

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

Third-party support is a bright spot for a performance watch, with repeated mentions of Strava, TrainingPeaks, Komoot, SuuntoPlus, and partner integrations.

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.

Touchscreen responsiveness is mostly good, but reviewers noted occasional lag, wet-screen confusion, or preference for physical controls in hard conditions.

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

The interface is readable and visually organized, with good use of color and fonts, but the touch-first logic and dense training terminology can require adjustment.

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

Value is favorable versus Garmin and other premium rivals, but reviewers still questioned the high titanium price and overlap with the cheaper Race 2.

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

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

Watch face feedback is mixed: reviewers liked customization and data, but the dimmed AMOLED state drew criticism for readability.

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

Water resistance is well supported, with reviewers citing 100-meter resistance, pool use, swimming, snorkeling, and comfort taking it into water.

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

Wellness insights are useful and easy to digest, especially resources, body-energy-style feedback, sleep, HRV, and training trends, though the ecosystem stays leaner than Garmin.

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

Wi-Fi is mainly relevant to maps and sync features; reviewers found it necessary and useful, though map downloads or setup could be fiddly.

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

Workout coverage was a major point of agreement: reviewers repeatedly cited 100-plus, 115-plus, or even 150-plus activity modes.

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