Samsung Galaxy Watch Ultra (2025)

Samsung Galaxy Watch Ultra (2025) Review

Brand: Samsung
Released: July 9, 2025
Updated: 2 months ago
3.9
Overall review score
146
Review evidence points
49
Scored features
12
Expert reviews

Bottom Line

Choose the Galaxy Watch Ultra 2025 if you want Samsung’s largest rugged watch, strong battery life, LTE, bright display, and outdoor-leaning fitness features. Skip it if you already own the 2024 Ultra, want a smaller watch, or expect best-in-class health accuracy.

Best for

Best for Samsung or Android users who want a rugged, large-screen watch with LTE, strong battery life for a Galaxy Watch, offline-friendly storage, and broad workout support. It especially suits outdoor users who value durability and visibility over a slim design.

Not for

Not for iPhone users, small-watch fans, or buyers who already own the 2024 Ultra unless the extra storage or immediate One UI 8 access matters. It is also not ideal for users who need best-in-class scientific health tracking.

Verdict

The Galaxy Watch Ultra 2025 is more refresh than reinvention. Reviewers consistently like its rugged titanium build, excellent bright display, LTE convenience, strong Samsung battery life, broad workout support, and useful Running Coach and Gemini additions. The tradeoff is that much of this strength already existed in the 2024 Ultra, while the 2025 update mainly adds color, storage, and immediate software access. Health and fitness accuracy are good enough for many users, especially runners, but not class-leading in tougher scientific testing, and the antioxidant index draws repeated skepticism. Its large, bulky design also divides reviewers, making the watch feel more like a specialized outdoor Samsung flagship than a universal smartwatch.

Feature Scorecards

Summary

49 reviewed features
  • Very positive 4.5-5.0
    21 (43%)
  • Positive 3.5-4.4
    16 (33%)
  • Neutral 2.5-3.4
    7 (14%)
  • Negative 1.5-2.4
    5 (10%)

Pros

  • 4.7
    7 reviews strong consensus
    display quality: 4.7, 7 reviews, strong consensus
    Display quality is consistently praised as vibrant, large, detailed, scratch-resistant, and excellent overall.
  • 4.8
    5 reviews strong consensus
    brightness: 4.8, 5 reviews, strong consensus
    Brightness is one of the clearest strengths, with reviewers repeatedly noting bright output and easy readability.
  • 4.9
    4 reviews strong consensus
    outdoor visibility: 4.9, 4 reviews, strong consensus
    Outdoor visibility is excellent, with multiple reviewers saying the display remains readable in direct sunlight.
  • 4.2
    11 reviews strong consensus
    battery life: 4.2, 11 reviews, strong consensus
    Battery life is a strength relative to other Galaxy Watches, but real-world results vary widely with always-on display, GPS, and travel use.
  • 4.8
    4 reviews strong consensus
    durability: 4.8, 4 reviews, strong consensus
    Durability is excellent across reviews, from chassis feel to military-standard claims and real-world wear with little damage.
  • 4.8
    4 reviews strong consensus
    materials quality: 4.8, 4 reviews, strong consensus
    Materials quality is excellent, with praise for titanium, ruggedness, and corrosion-resistant construction.

Cons

  • 1.6
    4 reviews strong consensus
    antioxidant index: 1.6, 4 reviews, strong consensus
    The antioxidant index is consistently weak, with several reviewers calling it low-value, inaccurate, gimmicky, or only marginally responsive.
  • 2.3
    2 reviews limited evidence
    cross-platform compatibility: 2.3, 2 reviews, limited evidence
    Cross-platform compatibility is limited: reviewers note Android support but no current iPhone compatibility.
  • 2.0
    1 review
    blood oxygen tracking: 2.0, 1 review
    Blood oxygen tracking drew a clear caveat, with one reviewer repeatedly seeing lower SPO2 results than expected from other sensors.
  • 2.0
    1 review
    charging convenience: 2.0, 1 review
    Charging convenience is hurt by Samsung omitting the wall charger, which one reviewer called stingy.
  • 2.0
    1 review
    recovery insights: 2.0, 1 review
    Recovery-style guidance is a weak spot in one long-term review, where the energy score felt redundant and unhelpful.
  • 2.5
    2 reviews limited evidence
    size options: 2.5, 2 reviews, limited evidence
    Size options are limited by the single large case, and multiple reviewers describe the Ultra as very big.

Compared With Category Average

Compared with other Smartwatches, this product is above average in LTE connectivity, ECG functionality, voice assistant quality, near average in heart rate accuracy, activity auto-detection, below average in recovery insights, blood oxygen tracking, cross-platform compatibility.

Comparison summary

49 compared features
  • Above average 0.4+ pts higher
    23 (47%)
  • Same as average within 0.3 pts
    11 (22%)
  • Below average 0.4+ pts lower
    15 (31%)

Largest category differences

Attribute This product Category average Difference
LTE connectivity 5.0 2.3 +2.7
ECG functionality 4.5 2.5 +2.0
recovery insights 2.0 3.9 -1.9
voice assistant quality 4.8 3.0 +1.8
onboard music storage 4.5 2.8 +1.7
blood oxygen tracking 2.0 3.4 -1.4
cross-platform compatibility 2.3 3.6 -1.3
charging convenience 2.0 3.3 -1.3

Consider This Instead

If you want better battery life

Choose Ticwatch Atlas. It scores 4.6 vs 4.2 for battery life, with a 3.8 overall score.

Compare

If you want better recovery insights

Choose Garmin Forerunner 265. It scores 4.9 vs 2.0 for recovery insights, with a 4.0 overall score.

Compare

If you want better menu navigation

Choose Apple Watch Series 11. It scores 4.7 vs 3.2 for menu navigation, with a 4.2 overall score.

Compare

Compared in Reviews

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

  • More expensive: price The reviewer says the Galaxy Watch Ultra costs less than the Apple Watch Ultra 2.
  • Worse: battery life The Galaxy Watch Ultra is said to have better battery life than the Apple Watch Ultra.

FAQ

Is the Galaxy Watch Ultra 2025 a big upgrade over the 2024 model?

No. Reviewers repeatedly describe it as a minimal refresh, mainly adding a new color, doubled storage, and newer software out of the box.

How good is the battery life?

Battery life is one of its stronger points among Samsung watches, with reviews ranging from roughly one to five days depending on always-on display, GPS, LTE, and usage. Sports watches still last longer.

Is it accurate for workouts?

Mainstream reviewers praised GPS, heart rate, and running metrics, especially for runs. Scientific testing was more cautious, calling heart rate and GPS good enough for many users but not top-tier.

Are the new health metrics useful?

Running Coach and some wellness explanations were well received. The antioxidant index was the weakest new metric, with multiple reviewers questioning its accuracy or value.

Is it comfortable to wear?

Comfort depends heavily on wrist size and tolerance for large watches. Some reviewers found the straps comfortable, while others said the watch felt too big or noticeable.

Does it work with iPhone?

No. The reviewed Samsung lineup is described as Android-focused, with the best experience coming from pairing with a Samsung phone.

Who should consider this instead of the Galaxy Watch 8?

The Ultra makes the most sense for buyers who want the larger display, better Samsung battery life, LTE, titanium build, rugged design, and outdoor-focused extras.

Sample Expert Reviews We Analyzed

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

Video Reviews

Article Reviews

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