Samsung Galaxy Watch 8

Samsung Galaxy Watch 8 Review

Brand: Samsung
Released: July 9, 2025
Updated: 2 weeks ago
3.9
Consolidated expert score
236
Review insights
52
Scored features
20
Expert reviews

Bottom Line

Choose the Galaxy Watch 8 if you want a very comfortable Samsung-first smartwatch with a bright display, strong AI, and rich health insights. Skip it if daily charging, limited non-Samsung features, or the polarizing cushion design will bother you.

Best for

Best for Samsung phone users who want a thin, comfortable smartwatch with a bright AMOLED screen, Gemini voice help, strong sleep tracking, and broad health and fitness features. It also suits users who value daily wellness coaching more than multi-day battery life.

Not for

Not for shoppers who want Garmin- or OnePlus-style battery life, full feature parity on non-Samsung phones, or a traditional round-watch look. It is also less ideal if you already own a recent Galaxy Watch and only want a major battery upgrade.

Verdict

Reviewers describe the Galaxy Watch 8 as Samsung’s most compelling standard smartwatch in years because it is thinner, lighter, more comfortable, brighter, and much smarter with Gemini on the wrist. The strongest evidence clusters around comfort, display quality, smooth One UI/Wear OS performance, sleep tracking, activity auto-detection, and practical wellness insights. The tradeoff is that Samsung’s new health experiments are uneven: Running Coach and vascular-load guidance can feel useful, while Antioxidant Index often seemed inconsistent or only mildly helpful. Battery life remains the biggest compromise, usually landing around daily charging, and the design is divisive. It works best inside Samsung’s ecosystem, where more health and AI features are available.

Compared in Reviews

Products reviewers directly compared with this model, grouped into quick takeaways.

  • Better: battery life The Watch 8’s battery life was described as far shorter than the OnePlus Watch 3.
  • Better: battery life The OnePlus Watch 3 was cited as a longer-lasting alternative.
  • Better: battery life The OnePlus Watch 3 was highlighted as the better Wear OS option for battery life.
  • Worse: activity auto-detection The reviewer said Watch 8 auto-detected walking or running faster than Apple Watch.
  • Worse: voice assistant quality The reviewer found Gemini on Wear OS far better than the Apple Watch Siri experience.
  • Worse: style and design The reviewer preferred the Watch 8’s classy look over the Apple Watch.
  • Compared: battery life The Watch 8 battery was not terrible next to Apple Watch Series 10, but still insufficient among Wear OS watches.

Feature Scorecards

Summary

52 reviewed features
  • Very positive 4.5-5.0 23% 12 features
  • Positive 3.5-4.4 56% 29 features
  • Neutral 2.5-3.4 21% 11 features
  • Negative 1.5-2.4 0% 0 features
  • Very negative below 1.5 0% 0 features

Pros

  • 4.8
    based on 1 review
    third-party app support: 4.8, based on 1 review
    Third-party app support was praised strongly, with one reviewer saying the watch supports every major smartwatch app they wanted.
  • 4.8
    based on 4 reviews
    heart rate accuracy: 4.8, based on 4 reviews
    Heart-rate tracking earned strong marks across workouts, with reviewers describing readings as dependable, precise, and close to comparison devices.
  • 4.7
    based on 1 review
    app ecosystem: 4.7, based on 1 review
    The app ecosystem received limited but strong praise because Wear OS gives the watch access to Google Play.
  • 4.7
    based on 1 review
    watch face quality: 4.7, based on 1 review
    Watch face quality had limited but positive evidence from a reviewer who loved the level of watch-face customization.
  • 4.6
    based on 6 reviews
    display quality: 4.6, based on 6 reviews
    Display quality was consistently praised as vivid, colorful, gorgeous, and enjoyable, with reviewers repeatedly highlighting Samsung’s AMOLED panel.
  • 4.5
    based on 4 reviews
    customization options: 4.5, based on 4 reviews
    Customization options were praised, especially customizable tiles, watch faces, quick settings, and broad watch personalization.
  • 4.5
    based on 4 reviews
    touchscreen responsiveness: 4.5, based on 4 reviews
    Touchscreen responsiveness was praised overall, with reviewers describing swipes, taps, and controls as snappy or very responsive.
  • 4.5
    based on 6 reviews
    brightness: 4.5, based on 6 reviews
    Brightness was a clear strength, with reviewers praising the move to 3,000 nits and strong direct-sunlight readability.
  • 4.5
    based on 14 reviews
    comfort: 4.5, based on 14 reviews
    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.
  • 4.5
    based on 5 reviews
    operating system experience: 4.5, based on 5 reviews
    The operating system experience was widely praised for Wear OS and One UI improvements, though one reviewer still found the watch software somewhat busy.
  • 4.5
    based on 1 review
    water resistance: 4.5, based on 1 review
    Water resistance had limited positive evidence from a reviewer who swam with the watch without issues.
  • 4.5
    based on 3 reviews
    outdoor visibility: 4.5, based on 3 reviews
    Outdoor visibility was praised as strong thanks to the bright display, though one reviewer still wanted better anti-reflective treatment.
  • 4.4
    based on 5 reviews
    user interface: 4.4, based on 5 reviews
    The user interface drew positive evidence for better organization, a useful Now Bar, cleaner notifications, and easy navigation.
  • 4.4
    based on 12 reviews
    voice assistant quality: 4.4, based on 12 reviews
    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.
  • 4.4
    based on 2 reviews
    workout tracking variety: 4.4, based on 2 reviews
    Workout variety was praised as broad, with plentiful modes and a long list of activities to track.
  • 4.4
    based on 8 reviews
    software smoothness: 4.4, based on 8 reviews
    Software smoothness was mostly strong, with reviewers describing the watch as snappy, fluid, reactive, and largely lag-free, despite one wake-up complaint.
  • 4.4
    based on 8 reviews
    sleep tracking accuracy: 4.4, based on 8 reviews
    Sleep tracking was one of the stronger health areas, with reviewers noting complete data, accurate duration, useful reports, and good alignment with other wearables.
  • 4.4
    based on 5 reviews
    activity auto-detection: 4.4, based on 5 reviews
    Activity auto-detection was mostly praised as prompt and reliable, though one reviewer saw some repeated auto-pausing.
  • 4.4
    based on 4 reviews
    smartwatch features: 4.4, based on 4 reviews
    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.
  • 4.4
    based on 3 reviews
    ECG functionality: 4.4, based on 3 reviews
    ECG functionality was viewed as dependable and easy to use, with reviewers noting accessible readings and clear reports.
  • 4.3
    based on 4 reviews
    health tracking accuracy: 4.3, based on 4 reviews
    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.
  • 4.3
    based on 1 review
    pairing reliability: 4.3, based on 1 review
    Pairing reliability had limited but positive evidence, with setup described as straightforward once the Galaxy Wearable app takes over.
  • 4.3
    based on 2 reviews
    step counting accuracy: 4.3, based on 2 reviews
    Step counting was considered good overall, with manual checks lining up and only small offsets in one comparison.
  • 4.2
    based on 1 review
    onboard music storage: 4.2, based on 1 review
    Onboard storage was treated positively, with one reviewer saying the regular Watch 8’s capacity should be more than enough for most people.
  • 4.2
    based on 1 review
    stress tracking: 4.2, based on 1 review
    Stress tracking evidence was limited but positive, centered on the watch clearly presenting stress levels through vascular-load-related insights.
  • 4.2
    based on 10 reviews
    wellness insights: 4.2, based on 10 reviews
    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.
  • 4.1
    based on 5 reviews
    companion app quality: 4.1, based on 5 reviews
    Companion app quality was mixed-to-positive: Samsung Health was praised as helpful and well-designed, while the need for multiple apps was criticized.
  • 4.1
    based on 7 reviews
    coaching features: 4.1, based on 7 reviews
    Coaching features were useful for many reviewers, especially Running Coach and sleep/running guidance, but one experienced runner found the plan too beginner-focused.
  • 4.1
    based on 2 reviews
    blood oxygen tracking: 4.1, based on 2 reviews
    Blood oxygen tracking drew limited but mostly positive evidence, with one reviewer matching an oximeter while another found it weaker during sleep.
  • 4.0
    based on 1 review
    contactless payments: 4.0, based on 1 review
    Contactless payments had limited evidence, but one reviewer explicitly called the feature nice.
  • 4.0
    based on 1 review
    recovery insights: 4.0, based on 1 review
    Recovery guidance had limited evidence, but one reviewer appreciated that the watch leaned toward rest rather than pushing overreaching.
  • 4.0
    based on 1 review
    size options: 4.0, based on 1 review
    Size options had limited positive evidence, with one reviewer appreciating that Samsung offers smaller and larger versions.
  • 4.0
    based on 7 reviews
    band quality: 4.0, based on 7 reviews
    Band quality was mixed-to-positive, with praise for comfort and softness but criticism of proprietary/incompatible strap changes.
  • 3.9
    based on 4 reviews
    build quality: 3.9, based on 4 reviews
    Build quality was mixed, with praise for toughness and durability ratings offset by concern about the raised glass and one reviewer’s material doubts.
  • 3.7
    based on 10 reviews
    style and design: 3.7, based on 10 reviews
    Style and design was polarizing: many praised the refreshed cushion look, but several reviewers disliked the squircle design or thought it looked unfinished.
  • 3.7
    based on 9 reviews
    charging speed: 3.7, based on 9 reviews
    Charging speed was mixed, ranging from quick top-ups or roughly one-hour charges to complaints about nearly two-hour full charges.
  • fit
    3.7
    based on 3 reviews
    fit: 3.7, based on 3 reviews
    Fit was mixed: some reviewers loved how naturally it disappeared on the wrist, while others noted band sizing or snugness issues.
  • 3.6
    based on 5 reviews
    fitness tracking accuracy: 3.6, based on 5 reviews
    Fitness tracking accuracy was mixed-to-positive: reviewers praised general workout accuracy but noted treadmill offsets, mixed intense-workout results, and GPS-related limitations.
  • 3.5
    based on 10 reviews
    value for money: 3.5, based on 10 reviews
    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.
  • 3.5
    based on 7 reviews
    durability: 3.5, based on 7 reviews
    Durability was mixed: certifications, sapphire glass, and protective design were praised, while raised glass and early nicks worried reviewers.
  • 3.5
    based on 4 reviews
    menu navigation: 3.5, based on 4 reviews
    Menu navigation was mixed: reviewers liked the cleaner UI and intuitive onboarding, but criticized the digital bezel and lack of tactile controls.

Cons

  • 3.3
    based on 2 reviews
    GPS accuracy: 3.3, based on 2 reviews
    GPS accuracy split reviewers: one found it fast and accurate, while another said it fell short of top dual-band sports watches.
  • 3.1
    based on 3 reviews
    button controls: 3.1, based on 3 reviews
    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.
  • 3.1
    based on 2 reviews
    mapping and navigation: 3.1, based on 2 reviews
    Mapping and navigation was split, with Gemini/Maps impressing one reviewer but another being sent back to the phone for actual directions.
  • 3.1
    based on 3 reviews
    smartphone notifications: 3.1, based on 3 reviews
    Notification handling was mixed, with one reviewer liking the redesigned notification flow and others finding alerts too easy to miss or slow to wake.
  • 3.0
    based on 1 review
    reliability: 3.0, based on 1 review
    Reliability had limited mixed evidence, with one reviewer liking the watch but warning about software gremlins and setup friction.
  • 2.9
    based on 16 reviews
    battery life: 2.9, based on 16 reviews
    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.
  • 2.6
    based on 9 reviews
    antioxidant index: 2.6, based on 9 reviews
    Antioxidant Index was the weakest new health feature overall, with reviewers calling it interesting or quick but repeatedly questioning usefulness, consistency, and anxiety potential.
  • 2.6
    based on 3 reviews
    charging convenience: 2.6, based on 3 reviews
    Charging convenience was mixed-to-negative because daily charging routines worked for some, but missing bricks and lost reverse wireless charging hurt convenience.
  • 2.5
    based on 3 reviews
    cross-platform compatibility: 2.5, based on 3 reviews
    Cross-platform compatibility was a recurring caveat: reviewers noted important Samsung-exclusive features and weaker appeal for non-Samsung Android users.
  • 2.5
    based on 1 review
    materials quality: 2.5, based on 1 review
    Materials quality had limited negative evidence, focused on the aluminum case feeling relatively soft.
  • 2.5
    based on 1 review
    music controls: 2.5, based on 1 review
    Music controls received mixed evidence because one reviewer found gesture music control limited to Samsung Music Player in testing.

Compared With Category Average

Compared with other Smartwatches, this product is above average in ECG functionality, voice assistant quality, third-party app support, below average in battery life, materials quality.

Summary

8 compared features
  • Above average 0.4+ pts higher 75% 6 features
  • Same as average within 0.3 pts 0% 0 features
  • Below average 0.4+ pts lower 25% 2 features
Attribute This product Category average Difference
ECG functionality 4.4 2.6 +1.8
voice assistant quality 4.4 3.0 +1.4
battery life 2.9 4.2 -1.3
third-party app support 4.8 3.1 +1.7
materials quality 2.5 4.0 -1.5
onboard music storage 4.2 2.8 +1.4
contactless payments 4.0 2.7 +1.3
app ecosystem 4.7 3.6 +1.1

FAQ

Is the Samsung Galaxy Watch 8 comfortable to wear overnight?

Yes. Comfort was one of the strongest points across reviews, with several reviewers saying the thinner, lighter design made it easy to wear for sleep tracking and workouts.

How good is the Galaxy Watch 8 battery life?

Battery life was the most common complaint. Some reviewers got roughly a day and a half in lighter use, but many still described it as a daily-charge smartwatch.

Is Gemini useful on the Galaxy Watch 8?

Reviewers generally found Gemini more useful than older watch assistants. It was praised for quick answers, messages, reminders, follow-up questions, and simple cross-app tasks, though navigation and deeper fitness requests were not always perfect.

Are the new health features useful?

The evidence is mixed. Running Coach, vascular load, Energy Score, and sleep coaching often felt useful, while Antioxidant Index was frequently described as inconsistent, only mildly helpful, or still needing refinement.

Does the Galaxy Watch 8 work well without a Samsung phone?

It works with Android phones, but reviewers repeatedly noted Samsung-only limitations for some advanced health, AI, and ecosystem features. Non-Samsung users should expect a less complete experience.

Is the Galaxy Watch 8 good for workouts?

Mostly yes for smartwatch-level tracking. Reviewers praised broad workout modes, quick auto-detection, heart-rate accuracy, and useful coaching, but GPS and treadmill accuracy were not consistently best-in-class.

Sample Expert Reviews We Analyzed

These are a few of the reviews included in our analysis.

Video Reviews

Article Reviews

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