Average score
Product 1: Withings ScanWatch Nova
3.7
Product 2: Samsung Galaxy Watch 8
4.2
activity auto-detection
Product 1: Withings ScanWatch Nova
4.2

Automatic activity detection is often helpful and sometimes very reliable, though one reviewer noted that it can take a little while to recognize an activity.

Product 2: Samsung Galaxy Watch 8
4.5

Auto-detection worked well overall, with one reviewer saying it picked up workouts faster than a competing watch, though another noted detection can take a few minutes.

app ecosystem
Product 1: Withings ScanWatch Nova
4.5

The broader Withings ecosystem is a recurring strength, especially for users pairing the watch with scales, thermometers, or other Withings health devices.

Product 2: Samsung Galaxy Watch 8
4.8

The app ecosystem is a strength, with Google Play access and broad support for major smartwatch apps.

band quality
Product 1: Withings ScanWatch Nova
4.0

The included bands are generally liked, especially the silicone and sport options, though the metal band can be trickier to fine-tune.

Product 2: Samsung Galaxy Watch 8
4.3

Bands were generally praised for comfort and feel, but the new attachment system reduces compatibility with older straps.

battery life
Product 1: Withings ScanWatch Nova
4.4

Battery life is a major strength, with most reviewers seeing multi-week endurance, though heavier workout or connected-GPS use can shorten it.

Product 2: Samsung Galaxy Watch 8
3.1

Battery life is the main compromise, with most reviewers landing around one day to one and a half days depending on use.

blood oxygen tracking
Product 1: Withings ScanWatch Nova
3.9

SpO2 tracking is broadly seen as useful and easy to access, though one reviewer needed a few tries before the reading worked properly.

Product 2: Samsung Galaxy Watch 8
4.3

Blood oxygen tracking is included and generally useful, with multiple reviewers describing readings as accurate or dependable enough for everyday monitoring.

Bluetooth connectivity
Product 1: Withings ScanWatch Nova
3.0

Bluetooth-linked features work, but connectivity is not flawless. One review mentioned the app losing connection during workouts.

Product 2: Samsung Galaxy Watch 8
4.0

Bluetooth support is present, with one review explicitly calling out Bluetooth 5.3.

brightness
Product 1: Withings ScanWatch Nova
4.0

Automatic brightness adjustment is appreciated, but the small display still is not ideal in every lighting situation.

Product 2: Samsung Galaxy Watch 8
4.8

Brightness was repeatedly praised, with reviewers highlighting the 3000-nit screen and strong visibility.

build quality
Product 1: Withings ScanWatch Nova
4.5

Build quality is consistently framed as premium and appropriate for the price, with reviewers highlighting the overall construction.

Product 2: Samsung Galaxy Watch 8
4.4

Build quality was viewed positively overall, with at least one reviewer saying it feels more premium than earlier standard Galaxy Watches.

button controls
Product 1: Withings ScanWatch Nova
3.0

Physical controls get the job done, but reviewers also mentioned awkward crown placement or bezel resistance.

Product 2: Samsung Galaxy Watch 8
4.3

Button controls are easy to use and reasonably flexible, with configurable shortcuts and straightforward physical inputs.

call handling
Product 1: Withings ScanWatch Nova
2.0

Call handling is minimal. Reviewers mention call alerts or caller info, but calls still route through the phone and full phone-call support is missing.

Product 2: Samsung Galaxy Watch 8
4.2

The watch supports on-wrist calling, including direct phone calls from the watch interface.

calorie tracking usefulness
Product 1: Withings ScanWatch Nova
4.5

One reviewer specifically found estimated calories burned far more accurate than on Fitbit, suggesting the calorie data can be useful for day-to-day activity review.

Product 2: Samsung Galaxy Watch 8
4.0

Calorie-related features are useful enough for basic tracking and planning, but they were not treated as a standout strength.

charging convenience
Product 1: Withings ScanWatch Nova
2.8

The charger works, but reviewers repeatedly criticize its cheap feel, awkward design, or lack of wireless convenience.

Product 2: Samsung Galaxy Watch 8
3.4

Charging is simple with the magnetic puck, but convenience is reduced by missing extras like a power brick or reverse wireless charging support.

charging speed
Product 1: Withings ScanWatch Nova
3.4

Charging is usually described as taking about two hours, though at least one review reported a notably faster full recharge.

Product 2: Samsung Galaxy Watch 8
4.0

Charging speed is decent for quick top-ups, though full charges can still take a while depending on the review.

coaching features
Product 1: Withings ScanWatch Nova
3.8

Coaching features exist mainly through Withings+, including goals, workouts, meal plans, and guided programs, so the coaching layer depends on the subscription.

Product 2: Samsung Galaxy Watch 8
4.3

Running and sleep coaching were frequently highlighted as helpful, though some coaching plans felt basic or beginner-oriented.

comfort
Product 1: Withings ScanWatch Nova
4.3

Comfort is generally very good, especially with lighter or sport bands, though one review had real issues with the metal band pinching or fitting poorly.

Product 2: Samsung Galaxy Watch 8
4.9

Comfort is one of the watch’s biggest strengths, with reviewers consistently praising the light, slim design for all-day wear and sleep tracking.

companion app quality
Product 1: Withings ScanWatch Nova
4.4

The companion app is consistently praised for presenting data clearly, neatly, and in a way that is easy to understand.

Product 2: Samsung Galaxy Watch 8
4.0

Samsung’s companion apps are often informative and polished, but needing multiple apps remains a recurring frustration.

contactless payments
Product 1: Withings ScanWatch Nova
1.0

Review coverage explicitly notes that digital payment support is not included, so contactless payments are a known weakness.

Product 2: Samsung Galaxy Watch 8
4.2

Contactless payments are supported through NFC and treated as a standard, useful smartwatch feature.

cross-platform compatibility
Product 1: Withings ScanWatch Nova
5.0

Cross-platform support is strong, with explicit Android and iOS compatibility in the reviews.

Product 2: Samsung Galaxy Watch 8
2.5

Cross-platform support is acceptable across Android, but the best experience is still reserved for Samsung phones and there is no iPhone support.

customization options
Product 1: Withings ScanWatch Nova
4.2

Reviews note useful customization for screen order, workout order, and display functions, even if the overall smartwatch feature set stays simple.

Product 2: Samsung Galaxy Watch 8
4.5

Customization is strong, with reviewers praising editable tiles, configurable controls, and flexible settings.

display quality
Product 1: Withings ScanWatch Nova
4.2

The small grayscale OLED is generally sharp and legible, though its size naturally limits how much information it can show.

Product 2: Samsung Galaxy Watch 8
4.7

Display quality is a standout, with reviewers praising sharpness, color, and overall screen presentation.

durability
Product 1: Withings ScanWatch Nova
4.5

Early durability impressions are strong, including one reviewer whose watch still looked pristine after rough travel and family handling.

Product 2: Samsung Galaxy Watch 8
4.2

Durability looks good on paper thanks to strong certifications, though some reviewers still worried about the exposed screen design.

ECG functionality
Product 1: Withings ScanWatch Nova
4.3

ECG is one of the watch’s standout features, with multiple reviewers calling it easy to use and one noting that it agreed with a medical examination.

Product 2: Samsung Galaxy Watch 8
4.3

ECG functionality is easy to access and was generally described as dependable or straightforward to use.

fit
Product 1: Withings ScanWatch Nova
3.5

Fit can be excellent once adjusted, but metal-band sizing is not foolproof and may take some patience.

Product 2: Samsung Galaxy Watch 8
4.9

Fit was widely praised thanks to the slim, flush design that sits close to the wrist.

fitness tracking accuracy
Product 1: Withings ScanWatch Nova
4.0

Fitness tracking is generally credible for everyday use, but reviewers frame the Nova as stronger for broad health tracking than for detailed sport analysis.

Product 2: Samsung Galaxy Watch 8
3.9

Fitness tracking accuracy was generally good to solid, though not every reviewer found it class-leading in every workout scenario.

GPS accuracy
Product 1: Withings ScanWatch Nova
3.3

Connected GPS can track workouts accurately when paired with a phone, but one review also reported gaps after the app lost connection to the watch.

Product 2: Samsung Galaxy Watch 8
3.9

GPS accuracy was mostly described as good or fast, but one reviewer said distance could be overestimated and that it trails the best sports watches.

health tracking accuracy
Product 1: Withings ScanWatch Nova
4.5

Reviews repeatedly describe the recorded health data as accurate or comparable to other smartwatches and even medical devices, though some sleep and workout details can still be imperfect.

Product 2: Samsung Galaxy Watch 8
4.5

At least one reviewer explicitly said the watch is more accurate than its predecessor for exercise and sleep tracking.

heart rate accuracy
Product 1: Withings ScanWatch Nova
4.5

Heart-rate tracking is a clear strength, with one reviewer saying average heart rate deviated by only one point and another calling the heart-rate results accurate against other smartwatches.

Product 2: Samsung Galaxy Watch 8
4.8

Heart-rate accuracy was repeatedly praised and compared well against reference devices and competing watches.

LTE connectivity
Product 1: Withings ScanWatch Nova
No score yet
Product 2: Samsung Galaxy Watch 8
4.0

LTE is a useful optional upgrade for phone-free use, but reviewers mostly treated it as an availability feature rather than a defining advantage.

materials quality
Product 1: Withings ScanWatch Nova
4.5

Stainless steel, sapphire, and other premium materials are repeated selling points across reviews.

Product 2: Samsung Galaxy Watch 8
3.7

Materials are solid for the price, with sapphire glass and armored aluminum noted positively even if the standard model feels less premium than the Classic.

menu navigation
Product 1: Withings ScanWatch Nova
4.5

Crown-based menu navigation is widely praised as easy and intuitive, especially for a watch without touchscreen input.

Product 2: Samsung Galaxy Watch 8
4.0

Menu navigation is generally easier and more organized than before, though some reviewers still disliked the digital bezel behavior.

music controls
Product 1: Withings ScanWatch Nova
1.0

Music controls are explicitly described as absent in review coverage.

Product 2: Samsung Galaxy Watch 8
4.2

Music controls are easy to access and part of the normal smartwatch feature set.

onboard music storage
Product 1: Withings ScanWatch Nova
No score yet
Product 2: Samsung Galaxy Watch 8
4.2

Onboard music support is present, with reviewers noting that users can download music and use the available storage for media and apps.

operating system experience
Product 1: Withings ScanWatch Nova
No score yet
Product 2: Samsung Galaxy Watch 8
4.3

Wear OS 6 with One UI 8 was broadly liked for its feature set, polish, and smooth daily experience.

outdoor visibility
Product 1: Withings ScanWatch Nova
3.2

Outdoor visibility is mixed. Some reviewers found the display readable in sunlight, while others wanted better direct-sun performance or less reflection.

Product 2: Samsung Galaxy Watch 8
4.8

Outdoor visibility is strong thanks to the bright display that reviewers found easy to see outside.

pairing reliability
Product 1: Withings ScanWatch Nova
4.8

Pairing and syncing are generally smooth, with reviewers describing setup as simple and app sync as seamless.

Product 2: Samsung Galaxy Watch 8
4.4

Pairing and initial setup were described as straightforward, especially inside Samsung’s ecosystem.

recovery insights
Product 1: Withings ScanWatch Nova
No score yet
Product 2: Samsung Galaxy Watch 8
4.5

Recovery guidance was useful, with bedtime guidance and post-workout drills giving actionable follow-up suggestions.

reliability
Product 1: Withings ScanWatch Nova
No score yet
Product 2: Samsung Galaxy Watch 8
3.3

Reliability is decent overall, but a few reviewers reported software gremlins or overlapping ways to do the same thing.

safety features
Product 1: Withings ScanWatch Nova
4.3

Safety-oriented health features are strong, with reviews calling out ECG, AFib-related detection, and illness-warning style monitoring as meaningful positives.

Product 2: Samsung Galaxy Watch 8
4.3

Safety coverage is solid, with features like SOS, irregular rhythm notifications, water lock, and other protective tools.

size options
Product 1: Withings ScanWatch Nova
2.0

Size flexibility is limited on the main Nova, with one review specifically pointing out that it comes in only one 42mm size.

Product 2: Samsung Galaxy Watch 8
4.5

Two case sizes give buyers a practical choice between smaller and larger fits.

sleep tracking accuracy
Product 1: Withings ScanWatch Nova
3.5

Sleep tracking is useful but inconsistent. Some reviewers found it accurate, while others saw missed sleep periods or questioned the precision of the sleep readings.

Product 2: Samsung Galaxy Watch 8
4.3

Sleep tracking was often strong and compared well with other wearables, though one reviewer found automatic sleep detection slower than ideal.

smartphone notifications
Product 1: Withings ScanWatch Nova
3.4

Notifications work best as simple alerts. Some reviewers were satisfied with them, but others found the scrolling text too limited or too fast to be truly useful.

Product 2: Samsung Galaxy Watch 8
3.5

Notifications are easy to access and reply to, but several reviewers wanted stronger or faster alert behavior.

smartwatch features
Product 1: Withings ScanWatch Nova
3.0

Smartwatch features are intentionally basic, covering essentials like alerts, timers, alarms, and stopwatches rather than a full smartwatch experience.

Product 2: Samsung Galaxy Watch 8
4.6

Core smartwatch features are comprehensive, covering calls, texts, apps, tiles, payments, and health tools.

software smoothness
Product 1: Withings ScanWatch Nova
No score yet
Product 2: Samsung Galaxy Watch 8
4.7

Day-to-day software performance was usually smooth, quick, and responsive.

step counting accuracy
Product 1: Withings ScanWatch Nova
4.3

Step counting is generally praised as accurate, and reviewers liked the clear progress feedback built into the watch experience.

Product 2: Samsung Galaxy Watch 8
4.3

Step counts were described as solid, with one reviewer manually validating them well and another seeing only small variance.

stress tracking
Product 1: Withings ScanWatch Nova
No score yet
Product 2: Samsung Galaxy Watch 8
4.1

Stress tracking is available and useful enough to mention, but it was not always enabled by default and was not treated as a major differentiator.

style and design
Product 1: Withings ScanWatch Nova
4.9

Style is one of the Nova’s biggest strengths. Reviews repeatedly describe it as elegant, premium, and convincingly watch-like rather than gadget-like.

Product 2: Samsung Galaxy Watch 8
4.2

Design reactions were mixed: many praised the slimmer cushion redesign and stronger identity, while others simply disliked the look.

third-party app support
Product 1: Withings ScanWatch Nova
1.5

Third-party app support is a clear weak point, with reviewers explicitly saying to look elsewhere if that matters to you.

Product 2: Samsung Galaxy Watch 8
4.9

Third-party app support is a major strength thanks to Google Play access and wide app availability.

touchscreen responsiveness
Product 1: Withings ScanWatch Nova
1.0

There is no touchscreen, so all interaction depends on the crown and physical controls.

Product 2: Samsung Galaxy Watch 8
4.7

Touch responsiveness was repeatedly praised, though one reviewer found the touch bezel overly sensitive.

user interface
Product 1: Withings ScanWatch Nova
4.3

The stripped-back interface is easy to learn and use, especially for buyers who prefer simplicity over app-heavy smartwatch layouts.

Product 2: Samsung Galaxy Watch 8
4.7

The refreshed interface, tiles, and Now Bar were widely praised for making the watch easier and faster to use.

value for money
Product 1: Withings ScanWatch Nova
3.1

Value is mixed. Reviewers praise the finish, battery life, and health tools, but many also flag the high price and stronger feature-per-dollar alternatives.

Product 2: Samsung Galaxy Watch 8
3.9

Value is good if you want Samsung’s latest smartwatch features without paying Classic prices, but the price increase weakens the bargain.

voice assistant quality
Product 1: Withings ScanWatch Nova
No score yet
Product 2: Samsung Galaxy Watch 8
4.5

Gemini is one of the watch’s biggest wins, with several reviewers calling it genuinely useful even if not flawless.

watch face quality
Product 1: Withings ScanWatch Nova
4.3

The analog face and lume are well liked, and reviewers describe the watch face itself as premium.

Product 2: Samsung Galaxy Watch 8
4.4

Watch faces are plentiful and customizable, with reviewers praising variety more than any single design.

water resistance
Product 1: Withings ScanWatch Nova
4.5

Water resistance is a strong point, with repeated 10ATM mentions and support for swimming and similar water use.

Product 2: Samsung Galaxy Watch 8
4.4

Water resistance is strong on paper and held up well in casual swim-related testing.

wellness insights
Product 1: Withings ScanWatch Nova
4.1

Wellness insights are a real strength, with reviewers calling out health scores, actionable guidance, and broader wellness tools instead of just raw metrics.

Product 2: Samsung Galaxy Watch 8
3.9

Wellness insights are broad and often actionable, though some newer metrics still feel experimental.

Wi-Fi connectivity
Product 1: Withings ScanWatch Nova
No score yet
Product 2: Samsung Galaxy Watch 8
4.0

Wi-Fi support is present, but reviewers focused more on feature availability than on connection quality.

workout tracking variety
Product 1: Withings ScanWatch Nova
3.0

Workout coverage is mixed: one review cites more than 40 sport modes, but others describe exercise tracking as limited or less comprehensive than dedicated fitness watches.

Product 2: Samsung Galaxy Watch 8
4.7

Workout mode coverage is broad, spanning common workouts and more specialized activities.