Compare Apple Watch SE 3 vs Samsung Galaxy Watch Ultra (2025)

Reviewers found automatic workout or walk detection useful and generally dependable, though one noted occasional slower workout-end recognition.

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 major strength, with reviewers praising the Apple Watch App Store and broad app availability compared with rival budget watches.

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

Band support is a strength because the SE 3 uses Apple’s familiar strap system and has many Apple and third-party options.

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 clearest mixed area: some reviewers saw all-day or better results, while others still treated it as a daily-charge watch.

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 consistently described as missing from the SE 3, making it a clear limitation versus Series and Ultra models.

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

Bluetooth support is present and useful for headphones and audio, though reviewers mostly mention it as part of the connectivity package rather than a standout feature.

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

Brightness is adequate for many reviewers, but the 1,000-nit display is repeatedly framed as weaker than the Series 11 in direct sunlight.

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

Build quality is generally praised as light, well made, and attractive, with tougher glass helping the SE 3 feel less like a budget device.

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

Button and gesture controls are strongly received, especially the Digital Crown, side button, Double Tap, and Wrist Flick gestures.

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 solid for a wrist device, with useful speaker, microphone, cellular, and voice isolation notes, though it is not ideal as a primary phone substitute.

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

Calorie tracking is treated as part of the reliable core fitness feature set, with one reviewer noting workout calorie metrics matched comparison data.

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 improves with USB-C magnetic charging and fast top-ups, but sleep tracking still requires a daily charging routine for many users.

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

Charging speed is a repeated upgrade, with reviewers citing useful fast-charge top-ups and roughly 80 percent in around 45 minutes to an hour.

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

Coaching features are useful but not deeply advanced; Workout Buddy is described as beginner-friendly, motivational, or basic depending on the reviewer.

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

Comfort is a strength, with reviewers calling the watch lightweight, unobtrusive, and well suited to sleep or smaller wrists.

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

Companion app quality is functional but split across Watch, Health, and Fitness apps, which can be useful yet occasionally tedious.

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

Contactless payments are a strong Apple Watch staple, with Apple Pay repeatedly included among the SE 3’s core smartwatch strengths.

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

Cross-platform compatibility is weak because reviewers frame the SE 3 as an iPhone smartwatch and note it only works with iPhone.

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

Customization is strong across watch faces, metrics, widgets, bands, and gesture-driven controls.

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

Display quality is much improved by the always-on OLED screen, though thicker bezels and lower brightness keep it below Series and Ultra displays.

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

Durability is improved through tougher Ion-X glass and water resistance, but some reviewers still point to weaker scratch or dust protection than pricier models.

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

ECG functionality is absent, and reviewers repeatedly call this one of the main health-feature tradeoffs.

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 favorable for smaller wrists and sleep tracking, though one reviewer found the older chassis less flush than newer models.

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

Fitness tracking accuracy is a strong point, with reviewers reporting accurate workouts and close agreement with comparison devices.

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

GPS accuracy is generally strong for a single-band Apple Watch, with caveats in tall-building or canyon-like conditions.

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

Health tracking accuracy is solid for the essentials, especially heart rate, sleep, and workouts, while advanced sensors are omitted.

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 is repeatedly praised, with reviewers finding close agreement against straps or other watches.

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 and cellular connectivity are improved by 5G, with reviewers noting better coverage, calls, texts, messages, and downloads away from the phone.

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

Mapping and navigation are useful thanks to Apple Maps, offline maps, Find My basics, and Compass Backtrack, though precision finding is limited.

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 good for the price, with aluminum and Ion-X glass, but premium titanium, sapphire, and some rugged ratings remain reserved for higher models.

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

Menu navigation is easy and fast, helped by watchOS, the Digital Crown, touch controls, and one-handed gestures.

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

Music controls are a strength, including Apple Music pairing, media controls, and playback improvements.

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

Onboard storage and offline playback are improved, with 64GB storage and support for music or media without the phone nearby.

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

The operating system experience is a major strength; reviewers praise watchOS 26 as polished, cohesive, and rich in Apple Watch features.

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

Outdoor visibility is usable but not class-leading, with the 1,000-nit screen and direct sunlight repeatedly cited as limits.

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

Pairing and iPhone integration are strong, with reviewers praising how well the watch syncs, routes notifications, and pairs with Apple services.

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

Recovery insights are present through training load, Vitals, sleep score, and workout feedback, but they are not as deep or prescriptive as some rivals.

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

Reliability appears strong in everyday use, with reviewers emphasizing smooth performance and lack of issues in ordinary tasks.

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 are a major strength, including fall detection, crash detection, emergency SOS, heart-rate alerts, and Compass Backtrack.

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

Size options are adequate and familiar at 40mm and 44mm, with the smaller size appealing to smaller wrists, though color choices are limited.

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 is useful and generally accurate for time and stages, but sleep score is sometimes described as simple or limited.

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

Notifications are a core strength, especially with always-on viewing, wrist vibration routing, and gestures for dismissal or management.

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

Smartwatch features are excellent for the price, with reviewers emphasizing that it feels like a full Apple Watch rather than a stripped-down tracker.

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

Software smoothness is one of the clearest strengths because the S10 chip keeps watchOS, apps, and gestures fast and responsive.

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

Step counting appears as part of the core activity toolkit, though reviewers discuss the feature more than rigorous step-count accuracy.

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.

Style and design are mixed: reviewers like the familiar Apple Watch look but often criticize the older body, thicker bezels, and limited colors.

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

Third-party app support is strong because the SE 3 retains Apple’s large app store and broad developer support.

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 strong, with reviewers saying touch, buttons, gestures, and everyday controls work promptly and fluidly.

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

The user interface is easy, clean, and cohesive, especially with watchOS 26 and the familiar watch face/home structure.

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

Value for money is the strongest consensus attribute, with reviewers repeatedly saying the SE 3 offers near-Series functionality at a much lower price.

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

Voice assistant quality improves with on-device Siri and the S10 chip, making requests faster and more useful than earlier SE models.

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

Watch face quality is praised through attractive, high-quality options and watchOS 26 face support.

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

Water resistance is solid for typical use, with reviewers noting 50-meter or 164-foot resistance and swim tracking, but not advanced dive sensors.

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

Wellness insights are useful for mainstream users through sleep score, sleep apnea alerts, wrist temperature, Vitals, and heart-rate notifications.

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

Wi-Fi is adequate but not premium, with reviewers noting 2.4GHz-only or Wi-Fi 4 support rather than dual-band.

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

Workout tracking variety is strong, covering many sports, workouts, running metrics, swimming, and common gym activities.

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