Compare Samsung Galaxy Watch Ultra (2025) vs Xiaomi Redmi 5 Active

P1 Samsung Galaxy Watch Ultra (2025)
P2 Xiaomi Redmi 5 Active

Comparison Takeaways

Samsung Galaxy Watch Ultra (2025)

Where It Has the Edge

  • third-party app support is 4.5 vs 1.5. Third-party app support benefits from extra storage and useful fitness/media apps, giving users more room for services beyond...
  • onboard music storage is 4.5 vs 1.5. Onboard music and storage are valuable for Spotify, podcasts, media, and offline use, especially now that storage is...
  • durability is 4.8 vs 2.2. Durability is excellent across reviews, from chassis feel to military-standard claims and real-world wear with little damage.
  • voice assistant quality is 4.8 vs 2.2. Gemini makes the voice assistant experience notably useful and convenient, especially because the watch screen is small.

Xiaomi Redmi 5 Active

Where It Has the Edge

  • cross-platform compatibility is 5.0 vs 2.3. Cross-platform compatibility was strong, with Android and iPhone use reported without issues.
  • blood oxygen tracking is 3.8 vs 2.0. Blood oxygen readings were mostly acceptable, but one comparison found the Lite model slightly more accurate than the...
  • health tracking accuracy is 4.3 vs 2.7. Reviewers generally found health tracking surprisingly capable for the price, with good sensors and benchmark-like readings, though the...
  • reliability is 4.5 vs 3.0. Reliability was positive where evaluated, with stable syncing and lag-free navigation.
Average score
Product 1: Samsung Galaxy Watch Ultra (2025)
3.9
Product 2: Xiaomi Redmi 5 Active
3.6
activity auto-detection
Product 1: Samsung Galaxy Watch Ultra (2025)
4.0

Auto-detection works very well for walking and running, but one reviewer found it less reliable for cycling and strength training.

Product 2: Xiaomi Redmi 5 Active
3.5

Activity auto-detection was described as standard rather than exceptional.

antioxidant index
Product 1: Samsung Galaxy Watch Ultra (2025)
1.6

The antioxidant index is consistently weak, with several reviewers calling it low-value, inaccurate, gimmicky, or only marginally responsive.

Product 2: Xiaomi Redmi 5 Active
No score yet
app ecosystem
Product 1: Samsung Galaxy Watch Ultra (2025)
4.5

The app ecosystem is strong, with reviewers citing many apps and plenty of smartwatch functionality.

Product 2: Xiaomi Redmi 5 Active
4.0

The built-in app/function set was viewed positively in one review as useful for a budget smartwatch.

band quality
Product 1: Samsung Galaxy Watch Ultra (2025)
3.9

Band quality is mixed to positive, with easy swaps and a robust strap system offset by dirt buildup and a hit-or-miss release mechanism.

Product 2: Xiaomi Redmi 5 Active
3.0

Band quality was mixed: some liked the strap feel, but others found the fastening awkward or frustrating.

battery life
Product 1: Samsung Galaxy Watch Ultra (2025)
4.2

Battery life is a strength relative to other Galaxy Watches, but real-world results vary widely with always-on display, GPS, and travel use.

Product 2: Xiaomi Redmi 5 Active
4.3

Battery life was a major strength across reviews, even when it fell short of advertised claims.

blood oxygen tracking
Product 1: Samsung Galaxy Watch Ultra (2025)
2.0

Blood oxygen tracking drew a clear caveat, with one reviewer repeatedly seeing lower SPO2 results than expected from other sensors.

Product 2: Xiaomi Redmi 5 Active
3.8

Blood oxygen readings were mostly acceptable, but one comparison found the Lite model slightly more accurate than the Active.

Bluetooth connectivity
Product 1: Samsung Galaxy Watch Ultra (2025)
No score yet
Product 2: Xiaomi Redmi 5 Active
5.0

Bluetooth connectivity was praised for staying connected without issues.

brightness
Product 1: Samsung Galaxy Watch Ultra (2025)
4.8

Brightness is one of the clearest strengths, with reviewers repeatedly noting bright output and easy readability.

Product 2: Xiaomi Redmi 5 Active
2.8

Brightness was mixed, with strong praise for brightness in one review but repeated criticism of missing or awkward auto-brightness.

build quality
Product 1: Samsung Galaxy Watch Ultra (2025)
4.7

Build quality is a major strength thanks to the rugged titanium case, robust design, and adventure-ready construction.

Product 2: Xiaomi Redmi 5 Active
3.4

Build quality was polarizing, from solid or surprisingly decent impressions to complaints that the Active looks plastic and cheap.

button controls
Product 1: Samsung Galaxy Watch Ultra (2025)
3.8

Button controls are polarized: reviewers like the programmable/quick button, but one long-term reviewer had repeated accidental presses and wanted better workout shortcuts.

Product 2: Xiaomi Redmi 5 Active
4.5

Button controls were praised for being genuinely useful on a watch this cheap.

call handling
Product 1: Samsung Galaxy Watch Ultra (2025)
No score yet
Product 2: Xiaomi Redmi 5 Active
3.8

Call handling was one of the stronger smart features, with clear praise for wrist calls, though speaker or distance limitations appeared in some tests.

charging convenience
Product 1: Samsung Galaxy Watch Ultra (2025)
2.0

Charging convenience is hurt by Samsung omitting the wall charger, which one reviewer called stingy.

Product 2: Xiaomi Redmi 5 Active
3.0

Charging convenience was only middling because the magnetic charger connects correctly but can leave the watch face-down.

charging speed
Product 1: Samsung Galaxy Watch Ultra (2025)
No score yet
Product 2: Xiaomi Redmi 5 Active
4.0

Charging speed was considered good by the reviewer who evaluated it.

coaching features
Product 1: Samsung Galaxy Watch Ultra (2025)
4.7

Coaching features are a standout, especially Running Coach, which reviewers found useful, personalized, or exceptionally effective.

Product 2: Xiaomi Redmi 5 Active
3.8

Coaching was mixed: one workout screen felt plain, while another reviewer was impressed by VO2 Max and training-load style data.

comfort
Product 1: Samsung Galaxy Watch Ultra (2025)
3.7

Comfort varies by reviewer: some found it comfortable, including for sleep, while others felt the weight and bulk.

Product 2: Xiaomi Redmi 5 Active
4.3

Comfort was generally positive, with reviewers saying it felt good or comfortable despite the large case.

companion app quality
Product 1: Samsung Galaxy Watch Ultra (2025)
3.0

Companion app quality is mixed because Samsung still splits settings and health data across separate apps.

Product 2: Xiaomi Redmi 5 Active
4.2

The Mi Fitness companion app was generally considered intuitive, useful, modern, and close to stronger past Xiaomi fitness apps.

contactless payments
Product 1: Samsung Galaxy Watch Ultra (2025)
No score yet
Product 2: Xiaomi Redmi 5 Active
1.0

Contactless payments were a clear miss because the reviewer explicitly lamented their absence.

cross-platform compatibility
Product 1: Samsung Galaxy Watch Ultra (2025)
2.3

Cross-platform compatibility is limited: reviewers note Android support but no current iPhone compatibility.

Product 2: Xiaomi Redmi 5 Active
5.0

Cross-platform compatibility was strong, with Android and iPhone use reported without issues.

customization options
Product 1: Samsung Galaxy Watch Ultra (2025)
4.0

Customization is strong for widgets, dashboards, watch faces, and tiles, but workout data-screen customization drew a complaint.

Product 2: Xiaomi Redmi 5 Active
3.4

Customization was mixed: widgets and tiles impressed, but limited watch-face customization and tiny storage reduced flexibility.

display quality
Product 1: Samsung Galaxy Watch Ultra (2025)
4.7

Display quality is consistently praised as vibrant, large, detailed, scratch-resistant, and excellent overall.

Product 2: Xiaomi Redmi 5 Active
3.3

Display quality was highly divisive: one reviewer liked clarity, while others criticized the LCD panel versus AMOLED rivals.

durability
Product 1: Samsung Galaxy Watch Ultra (2025)
4.8

Durability is excellent across reviews, from chassis feel to military-standard claims and real-world wear with little damage.

Product 2: Xiaomi Redmi 5 Active
2.2

Durability raised concerns, especially around plastic lugs and possible display marks, despite some early scratch-free use.

ECG functionality
Product 1: Samsung Galaxy Watch Ultra (2025)
4.5

ECG is treated positively as part of Samsung Health Monitor’s useful health-tool set rather than as a deeply tested medical feature.

Product 2: Xiaomi Redmi 5 Active
No score yet
fit
Product 1: Samsung Galaxy Watch Ultra (2025)
3.5

Fit is context-dependent: one reviewer liked the big watch on their wrist, while another found it too large.

Product 2: Xiaomi Redmi 5 Active
3.0

Fit was mixed because some reviewers liked the light feel, while others found the strap awkward or the case less subtle.

fitness tracking accuracy
Product 1: Samsung Galaxy Watch Ultra (2025)
4.3

Fitness tracking is broadly positive for running and general activity, though scientific testing framed performance as good enough rather than best-in-class.

Product 2: Xiaomi Redmi 5 Active
4.0

Fitness tracking accuracy was praised in one review for the accelerometer-backed ability to track activity accurately.

flashlight usefulness
Product 1: Samsung Galaxy Watch Ultra (2025)
No score yet
Product 2: Xiaomi Redmi 5 Active
4.0

The flashlight was considered useful enough for simple visibility, with one reviewer noting it was plenty bright.

GPS accuracy
Product 1: Samsung Galaxy Watch Ultra (2025)
4.2

GPS accuracy is praised by several mainstream reviewers, but scientific testing found visible deviations and placed it behind stronger sports watches.

Product 2: Xiaomi Redmi 5 Active
1.7

GPS was a clear weakness because Active lacks built-in GPS and depends on a phone, limiting outdoor route tracking.

health tracking accuracy
Product 1: Samsung Galaxy Watch Ultra (2025)
2.7

Health-tracking accuracy is mixed: reviewers praised some running-related readings, but questioned HRV, blood oxygen, antioxidant-style metrics, and scientific testing placed Samsung below top-tier rivals.

Product 2: Xiaomi Redmi 5 Active
4.3

Reviewers generally found health tracking surprisingly capable for the price, with good sensors and benchmark-like readings, though the praise stayed focused on basics.

heart rate accuracy
Product 1: Samsung Galaxy Watch Ultra (2025)
4.2

Heart-rate accuracy is generally good for running and daily fitness, though scientific testing still found better wrist options and exercise-dependent limits.

Product 2: Xiaomi Redmi 5 Active
4.6

Heart rate tracking drew strong praise, with multiple reviewers comparing it favorably to pricier devices or medical-style references.

LTE connectivity
Product 1: Samsung Galaxy Watch Ultra (2025)
5.0

LTE is a meaningful advantage for users who want to run or stay reachable without carrying a phone.

Product 2: Xiaomi Redmi 5 Active
No score yet
mapping and navigation
Product 1: Samsung Galaxy Watch Ultra (2025)
4.5

Mapping and navigation benefit from larger storage for offline maps and route-related use, especially for outdoor users.

Product 2: Xiaomi Redmi 5 Active
3.0

Mapping and navigation depended on phone GPS, producing useful workout maps but not solving the lack of onboard GPS.

materials quality
Product 1: Samsung Galaxy Watch Ultra (2025)
4.8

Materials quality is excellent, with praise for titanium, ruggedness, and corrosion-resistant construction.

Product 2: Xiaomi Redmi 5 Active
3.0

Materials quality was mixed, with the coating and matte finish liked by some but plastic construction criticized by others.

menu navigation
Product 1: Samsung Galaxy Watch Ultra (2025)
3.2

Menu navigation is mixed: the digital bezel and haptics help, but reviewers miss a rotating bezel/crown and find usability reduced.

Product 2: Xiaomi Redmi 5 Active
4.3

Menu navigation was praised as straightforward and well structured, with responsive UI behavior.

onboard music storage
Product 1: Samsung Galaxy Watch Ultra (2025)
4.5

Onboard music and storage are valuable for Spotify, podcasts, media, and offline use, especially now that storage is doubled.

Product 2: Xiaomi Redmi 5 Active
1.5

Onboard music storage was poor because the watch cannot store or play audio files through the speaker.

operating system experience
Product 1: Samsung Galaxy Watch Ultra (2025)
4.3

The operating system experience is improved by One UI 8, with more functional UI elements and praised new software features.

Product 2: Xiaomi Redmi 5 Active
4.0

The OS experience was generally smooth and lightweight, though one reviewer still framed it as basic rather than full smartwatch software.

outdoor visibility
Product 1: Samsung Galaxy Watch Ultra (2025)
4.9

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

Product 2: Xiaomi Redmi 5 Active
3.8

Outdoor visibility was acceptable to good, with reviewers able to see the display outdoors or in sunlight despite display compromises.

pairing reliability
Product 1: Samsung Galaxy Watch Ultra (2025)
5.0

Pairing reliability is excellent in the Notebookcheck test, where the watch was recognized and set up without issues.

Product 2: Xiaomi Redmi 5 Active
4.3

Pairing and connection reliability were good overall, from a mostly smooth setup to stable ongoing connection.

recovery insights
Product 1: Samsung Galaxy Watch Ultra (2025)
2.0

Recovery-style guidance is a weak spot in one long-term review, where the energy score felt redundant and unhelpful.

Product 2: Xiaomi Redmi 5 Active
No score yet
reliability
Product 1: Samsung Galaxy Watch Ultra (2025)
3.0

Reliability is mostly good, but Notebookcheck reported brief display interruptions during always-on display use.

Product 2: Xiaomi Redmi 5 Active
4.5

Reliability was positive where evaluated, with stable syncing and lag-free navigation.

safety features
Product 1: Samsung Galaxy Watch Ultra (2025)
4.5

Safety features are helped by LTE, which one reviewer valued for safer phone-free running.

Product 2: Xiaomi Redmi 5 Active
No score yet
size options
Product 1: Samsung Galaxy Watch Ultra (2025)
2.5

Size options are limited by the single large case, and multiple reviewers describe the Ultra as very big.

Product 2: Xiaomi Redmi 5 Active
No score yet
sleep tracking accuracy
Product 1: Samsung Galaxy Watch Ultra (2025)
3.2

Sleep tracking earns mixed marks: reviewers liked the score and some stage consistency, but noted low awake detection and second-tier sleep-stage performance.

Product 2: Xiaomi Redmi 5 Active
3.0

Sleep tracking was split: one reviewer found accuracy good with nap detection, while others called the analysis basic or only average.

smartphone notifications
Product 1: Samsung Galaxy Watch Ultra (2025)
4.5

Notification handling is positive, with one reviewer noting detailed, useful notifications from the watch.

Product 2: Xiaomi Redmi 5 Active
3.3

Notifications were useful and reliable for alerts, but several reviewers disliked the inability to reply from the watch.

smartwatch features
Product 1: Samsung Galaxy Watch Ultra (2025)
4.2

Core smartwatch features are strong, but some reviews temper praise by noting the 2025 model adds few meaningful upgrades.

Product 2: Xiaomi Redmi 5 Active
3.6

Smartwatch features split reviewers: Bluetooth calls and broad functions impressed, but limited apps, no GPS, and basic behavior made it feel tracker-like.

software smoothness
Product 1: Samsung Galaxy Watch Ultra (2025)
4.5

Software smoothness is strong in direct testing, with smooth operation and quick app launches.

Product 2: Xiaomi Redmi 5 Active
4.4

Software smoothness was consistently strong, with reviewers praising smooth transitions, animations, equal performance, and lack of lag.

step counting accuracy
Product 1: Samsung Galaxy Watch Ultra (2025)
4.0

Step counting is strong during normal arm-swinging walks, with a caveat that carts or strollers reduce accuracy.

Product 2: Xiaomi Redmi 5 Active
4.0

Step counting was judged fine, with no major pedometer issues reported by the reviewer who assessed it.

stress tracking
Product 1: Samsung Galaxy Watch Ultra (2025)
No score yet
Product 2: Xiaomi Redmi 5 Active
4.0

Stress tracking was treated as part of the watch’s useful essential health-monitoring package rather than a deeply analyzed feature.

style and design
Product 1: Samsung Galaxy Watch Ultra (2025)
3.8

Style is subjective: one reviewer loved the stylish look, while another disliked the rugged, masculine aesthetic.

Product 2: Xiaomi Redmi 5 Active
3.2

Style and design split reviewers, from sharp or acceptable looks to complaints that Active appears plasticky and cheap.

third-party app support
Product 1: Samsung Galaxy Watch Ultra (2025)
4.5

Third-party app support benefits from extra storage and useful fitness/media apps, giving users more room for services beyond Samsung’s own tools.

Product 2: Xiaomi Redmi 5 Active
1.5

Third-party app support was weak because reviewers noted that extra apps such as Google Maps cannot be installed.

touchscreen responsiveness
Product 1: Samsung Galaxy Watch Ultra (2025)
No score yet
Product 2: Xiaomi Redmi 5 Active
5.0

Touchscreen responsiveness was praised as quick and responsive.

user interface
Product 1: Samsung Galaxy Watch Ultra (2025)
4.0

The user interface is functional and approachable, though at least one reviewer found parts of the visual design odd.

Product 2: Xiaomi Redmi 5 Active
4.0

The interface was mostly easy and smooth, though one reviewer found some graphical screens merely functional.

value for money
Product 1: Samsung Galaxy Watch Ultra (2025)
2.9

Value for money is the most contested attribute: reviewers like the watch itself but often question the 2025 refresh and launch price.

Product 2: Xiaomi Redmi 5 Active
3.4

Value for money was the most divisive attribute: some called it excellent, while comparison reviews favored spending slightly more on the Lite.

voice assistant quality
Product 1: Samsung Galaxy Watch Ultra (2025)
4.8

Gemini makes the voice assistant experience notably useful and convenient, especially because the watch screen is small.

Product 2: Xiaomi Redmi 5 Active
2.2

Voice assistant support was inconsistent: some Alexa use was helpful, but missing, regional, slow, or read-only behavior held it back.

watch face quality
Product 1: Samsung Galaxy Watch Ultra (2025)
4.8

Watch faces are a major strength, with reviewers praising Samsung’s selection, visual quality, and customization.

Product 2: Xiaomi Redmi 5 Active
4.0

Watch faces were well liked for quantity and style, though storage limits held back the gallery experience.

water resistance
Product 1: Samsung Galaxy Watch Ultra (2025)
4.8

Water resistance is treated positively for pool, rain, snow, and diving-oriented use.

Product 2: Xiaomi Redmi 5 Active
4.5

Water resistance earned praise as impressive for the price, though related workout support was more limited.

wellness insights
Product 1: Samsung Galaxy Watch Ultra (2025)
3.9

Wellness insights are useful when they explain metrics or provide coaching, though some newer metrics remain questionable.

Product 2: Xiaomi Redmi 5 Active
5.0

Wellness insights impressed one reviewer because VO2-style data and related metrics felt unusually rich at this price.

workout tracking variety
Product 1: Samsung Galaxy Watch Ultra (2025)
4.7

Workout variety is a strength, with reviewers praising broad activity support, multisport-style capabilities, and Samsung’s wide exercise list.

Product 2: Xiaomi Redmi 5 Active
3.6

Workout variety looked broad on paper and often impressed reviewers, but missing water-sport/swim tracking on Active was a recurring limitation.