Compare CMF Watch 3 Pro vs Garmin fenix 8 Pro

P1 CMF Watch 3 Pro
P2 Garmin fenix 8 Pro

Comparison Takeaways

CMF Watch 3 Pro

Where It Has the Edge

  • value for money is 4.0 vs 2.5. Value for money is strong overall because many reviewers find the design, display, battery, GPS, and basics impressive...
  • comfort is 3.7 vs 2.9. Comfort is generally helped by the low weight, though size, poor fit for some wrists, and one uncomfortable...
  • software smoothness is 4.1 vs 3.4. Software smoothness is generally strong, with several reviewers praising fluid animations and scrolling, but one negative review saw...
  • operating system experience is 4.4 vs 3.8. The operating system experience is repeatedly described as polished, smooth, and quality-feeling for the price.

Garmin fenix 8 Pro

Where It Has the Edge

  • contactless payments is 4.2 vs 1.0. Contactless payments were noted through NFC payments as part of the watch’s Garmin smart-feature set.
  • onboard music storage is 4.4 vs 1.3. Onboard music was supported by downloading music to the watch and linking to Spotify, Amazon Music, and Deezer.
  • Wi-Fi connectivity is 4.0 vs 1.0. Wi-Fi connectivity was mentioned in the specification context alongside Bluetooth, LTE-M, and GPS.
  • outdoor visibility is 4.6 vs 2.3. Outdoor visibility was a clear strength, with multiple reviewers praising sunny-day, full-sun, and harsh-light readability.
Average score
Product 1: CMF Watch 3 Pro
3.4
Product 2: Garmin fenix 8 Pro
4.1
activity auto-detection
Product 1: CMF Watch 3 Pro
3.7

Activity auto-detection exists and can work for walks and common activities, but one reviewer warns that manual workout starts are still safer.

Product 2: Garmin fenix 8 Pro
No score yet
app ecosystem
Product 1: CMF Watch 3 Pro
3.0

The app ecosystem is limited: syncing with fitness services helps, but the proprietary OS lacks the breadth of Wear OS or full third-party app access.

Product 2: Garmin fenix 8 Pro
3.9

Reviewers noted Garmin’s Connect IQ and app ecosystem, while setup evidence also showed that multiple apps can complicate the experience.

band quality
Product 1: CMF Watch 3 Pro
3.3

Band quality is mixed: several reviewers like the soft, replaceable strap, while others call it floppy, lighter-quality, or irritating.

Product 2: Garmin fenix 8 Pro
4.3

Band and strap evidence was generally positive, with QuickFit or quick-release swapping and removable silicone straps mentioned across reviews.

battery life
Product 1: CMF Watch 3 Pro
4.3

Battery life is one of the strongest points, with many reviewers seeing multi-day to week-plus endurance and some highlighting 13-day claims or better-than-expected results.

Product 2: Garmin fenix 8 Pro
3.9

Battery life drew strong praise on AMOLED models, but MicroLED, live tracking, and always-on LTE created meaningful runtime tradeoffs.

blood oxygen tracking
Product 1: CMF Watch 3 Pro
4.0

Blood oxygen tracking is present, with alerts or spot readings mentioned, and one reviewer found readings close to a pulse oximeter, though reviewers did not deeply validate it.

Product 2: Garmin fenix 8 Pro
4.1

Blood oxygen support appeared through Pulse Ox and pulse oximeter references, mainly as part of the broader health-tracking sensor set.

Bluetooth connectivity
Product 1: CMF Watch 3 Pro
3.9

Bluetooth connectivity is mostly stable once paired in positive reviews, though one reviewer notes the connectivity stack is limited to Bluetooth Low Energy.

Product 2: Garmin fenix 8 Pro
4.0

Bluetooth was mentioned as part of phone-watch connectivity and setup, with LTE or satellite taking over when Bluetooth was unavailable.

brightness
Product 1: CMF Watch 3 Pro
3.1

Brightness is adequate in some normal situations, but reviewers often call it low by current standards or wish it were brighter.

Product 2: Garmin fenix 8 Pro
4.5

Brightness was one of the strongest display themes, with reviewers highlighting brighter AMOLED output and very high MicroLED brightness.

build quality
Product 1: CMF Watch 3 Pro
3.5

Build quality divides reviewers: several find the fit and finish surprisingly good for the price, while others call it cheap, plasticky, rattly, or toy-like.

Product 2: Garmin fenix 8 Pro
4.6

Build quality was described as premium and solid, supported by titanium, sapphire, thicker construction, and rugged positioning.

button controls
Product 1: CMF Watch 3 Pro
4.0

Button controls are mostly liked, especially the crown, haptics, and shortcuts, but reviewers also note size or underused crown interactions.

Product 2: Garmin fenix 8 Pro
4.3

Button controls were viewed positively overall, with tactile feedback, action-button access, and easier navigation noted.

call handling
Product 1: CMF Watch 3 Pro
4.1

Call handling is better than expected for a budget smartwatch, with reviewers reporting usable microphones and clear calls, though speaker loudness can limit outdoor use.

Product 2: Garmin fenix 8 Pro
3.7

Call handling was useful over LTE, but reviewers also noted Messenger-app limits, call failures, and uneven reliability.

calorie tracking usefulness
Product 1: CMF Watch 3 Pro
4.1

Calorie data is useful as part of workout summaries for casual tracking, but reviewers treat it as general guidance rather than laboratory-grade measurement.

Product 2: Garmin fenix 8 Pro
4.0

Calorie tracking appeared as an at-a-glance watch-face data point rather than as a deeply tested metric.

charging convenience
Product 1: CMF Watch 3 Pro
2.0

Charging convenience is a consistent complaint because the proprietary magnetic connector is flimsy, easy to dislodge, or awkward to use.

Product 2: Garmin fenix 8 Pro
No score yet
charging speed
Product 1: CMF Watch 3 Pro
3.6

Charging speed is acceptable rather than exceptional, usually described around 90 to 99 minutes for a full charge or decent partial top-ups.

Product 2: Garmin fenix 8 Pro
No score yet
coaching features
Product 1: CMF Watch 3 Pro
4.2

Coaching features are a clear selling point, especially the running coach and AI plan guidance, although reviewers treat it as helpful rather than flawless.

Product 2: Garmin fenix 8 Pro
4.6

Coaching features were a strength, including Garmin Coach, Training Readiness, daily suggested workouts, and training analysis.

comfort
Product 1: CMF Watch 3 Pro
3.7

Comfort is generally helped by the low weight, though size, poor fit for some wrists, and one uncomfortable experience keep it from being universally comfortable.

Product 2: Garmin fenix 8 Pro
2.9

Comfort was mixed to negative because the watch is thick and bulky, though one reviewer said it wore better than the numbers suggest.

companion app quality
Product 1: CMF Watch 3 Pro
3.4

The companion app is cleaner and more polished than before, but limitations around workout records, battery drain, language issues, exports, and data depth remain.

Product 2: Garmin fenix 8 Pro
3.4

Companion app quality was split: standard setup and Connect were praised, while LTE/inReach/Messenger setup was called cumbersome.

contactless payments
Product 1: CMF Watch 3 Pro
1.0

Contactless payments are a clear miss: multiple reviewers note the absence of NFC or wallet payments.

Product 2: Garmin fenix 8 Pro
4.2

Contactless payments were noted through NFC payments as part of the watch’s Garmin smart-feature set.

cross-platform compatibility
Product 1: CMF Watch 3 Pro
4.2

Cross-platform compatibility is a strength for a budget watch, with reviewers noting Android and iPhone support and basic assistant use across platforms.

Product 2: Garmin fenix 8 Pro
4.0

Cross-platform evidence was limited but positive, with Android setup tested and Apple-device setup expected to be similar.

customization options
Product 1: CMF Watch 3 Pro
3.2

Customization is mixed: watch faces, widgets, gestures, AOD and bands give flexibility, but the lost interchangeable bezel and limited widget or face storage disappoint reviewers.

Product 2: Garmin fenix 8 Pro
4.4

Customization stood out through data fields, watch-face configuration, custom focus modes, canned messages, and flexible connectivity controls.

display quality
Product 1: CMF Watch 3 Pro
4.1

Display quality is generally praised for the AMOLED panel, larger size, sharpness, and readability indoors, even when brightness has limits.

Product 2: Garmin fenix 8 Pro
4.5

Display quality was highly praised for sharpness, vibrancy, brightness, and visibility, though MicroLED battery tradeoffs appeared.

durability
Product 1: CMF Watch 3 Pro
3.4

Durability evidence is limited but mixed: one reviewer noticed an early screen scratch, while another found the body and screen held up after daily use and a drop.

Product 2: Garmin fenix 8 Pro
4.5

Durability was a major strength, with ruggedness, MIL-STD testing, sapphire, titanium, and adventure use all supporting high scores.

ECG functionality
Product 1: CMF Watch 3 Pro
No score yet
Product 2: Garmin fenix 8 Pro
4.5

ECG support was clearly present, with reviewers mentioning ECG readings, rhythm checks, and AFib detection.

fit
Product 1: CMF Watch 3 Pro
2.4

Fit is a weakness for smaller wrists in the available evidence, with reviewers noting poor fit or the watch being too large.

Product 2: Garmin fenix 8 Pro
2.5

Fit was a recurring concern because of thickness, bulk, and the lack of a smaller 43 mm model.

fitness tracking accuracy
Product 1: CMF Watch 3 Pro
2.9

Fitness tracking accuracy is acceptable for casual use in some reviews but unreliable in others, especially for sleep-related confidence, workouts, running, and weightlifting.

Product 2: Garmin fenix 8 Pro
4.0

Fitness tracking accuracy was mostly praised for GPS and heart-rate data, though one field test reported a map-track bug after satellite messaging.

GPS accuracy
Product 1: CMF Watch 3 Pro
4.2

GPS is generally praised after the upgrade to dual-band tracking, with fast lock times and strong route accuracy, though one scientific reviewer questioned recording frequency.

Product 2: Garmin fenix 8 Pro
4.3

GPS accuracy was consistently praised by running reviewers, with multi-band GPS and marathon/testing evidence, aside from one reliability bug.

health tracking accuracy
Product 1: CMF Watch 3 Pro
3.6

Reviewers describe the health suite as broad for the price, with heart rate, sleep, stress and blood oxygen options, but accuracy and depth are inconsistent across tests.

Product 2: Garmin fenix 8 Pro
4.7

Health tracking accuracy was supported mainly by strong heart-rate and GPS evidence from wrist-based workout testing.

heart rate accuracy
Product 1: CMF Watch 3 Pro
3.4

Heart rate accuracy is one of the most divided areas: some reviewers saw close agreement with reference devices, while others found misses during runs, workouts, or loose wear.

Product 2: Garmin fenix 8 Pro
4.7

Heart-rate accuracy was widely positive, with several reviewers comparing readings favorably against chest straps.

LTE connectivity
Product 1: CMF Watch 3 Pro
No score yet
Product 2: Garmin fenix 8 Pro
4.2

LTE connectivity was the flagship upgrade, useful for phone-free messaging, calls, LiveTrack, and safety, but field reliability varied.

materials quality
Product 1: CMF Watch 3 Pro
3.2

Materials are mixed, with metal or aluminum elements helping the watch feel better than expected, but plastic backs, bezels, and sensor areas reduce the premium feel.

Product 2: Garmin fenix 8 Pro
4.6

Materials quality was consistently premium, with titanium, sapphire, polymer construction, and rugged bezels repeatedly mentioned.

menu navigation
Product 1: CMF Watch 3 Pro
4.1

Menu navigation is straightforward and crown-assisted, though some reviewers note the interface does not fully exploit the crown or gestures.

Product 2: Garmin fenix 8 Pro
3.8

Menu navigation was generally flexible and familiar, though LTE-signal access and option complexity created some friction.

music controls
Product 1: CMF Watch 3 Pro
4.1

Music controls are useful for phone playback, including album artwork in one review, but the watch is not presented as a standalone music device.

Product 2: Garmin fenix 8 Pro
3.8

Music features included Garmin music services and Spotify support, but one reviewer noted there was no Spotify streaming over LTE.

onboard music storage
Product 1: CMF Watch 3 Pro
1.3

Onboard music storage is absent, limiting the watch for phone-free exercise with wireless earbuds.

Product 2: Garmin fenix 8 Pro
4.4

Onboard music was supported by downloading music to the watch and linking to Spotify, Amazon Music, and Deezer.

operating system experience
Product 1: CMF Watch 3 Pro
4.4

The operating system experience is repeatedly described as polished, smooth, and quality-feeling for the price.

Product 2: Garmin fenix 8 Pro
3.8

The operating system experience was familiar and capable, but not dramatically changed in software features.

outdoor visibility
Product 1: CMF Watch 3 Pro
2.3

Outdoor visibility is a recurring weakness, especially with the always-on display, direct sunlight, or polarized sunglasses.

Product 2: Garmin fenix 8 Pro
4.6

Outdoor visibility was a clear strength, with multiple reviewers praising sunny-day, full-sun, and harsh-light readability.

pairing reliability
Product 1: CMF Watch 3 Pro
3.6

Pairing reliability is mixed: some reviewers found setup or phone switching easy, while others had a difficult pairing process or disconnections from the app.

Product 2: Garmin fenix 8 Pro
4.8

Pairing reliability was strong in the standard setup flow, with QR/app pairing described as painless and quick.

recovery insights
Product 1: CMF Watch 3 Pro
4.4

Recovery insights show up as estimated recovery time, VO2 max, training load, and recovery metrics, giving runners and casual athletes more guidance than expected at this price.

Product 2: Garmin fenix 8 Pro
4.6

Recovery insights were a Garmin strength, especially Training Readiness, Body Battery, sleep-related guidance, and daily health insights.

reliability
Product 1: CMF Watch 3 Pro
2.6

Reliability is mixed, with reviewers citing notification sync issues, app optimization problems, app disconnects, and work-in-progress software behavior.

Product 2: Garmin fenix 8 Pro
3.8

Reliability was mixed: some reviewers praised rugged dependability, while others found satellite, LTE, software, and GPS-track issues.

safety features
Product 1: CMF Watch 3 Pro
No score yet
Product 2: Garmin fenix 8 Pro
4.1

Safety features were central, including LiveTrack, incident detection, LTE/satellite SOS, and check-ins, but paid SOS access was a concern.

size options
Product 1: CMF Watch 3 Pro
2.7

Size options are limited to one case size, which reviewers repeatedly flag as a problem for smaller wrists.

Product 2: Garmin fenix 8 Pro
2.3

Size options were a consistent weakness because the Pro dropped the 43 mm option and starts at larger, bulkier cases.

sleep tracking accuracy
Product 1: CMF Watch 3 Pro
3.4

Sleep tracking ranges from impressive duration or comparative results to very poor awake detection, so reviewers do not agree that it is dependable for serious sleep analysis.

Product 2: Garmin fenix 8 Pro
No score yet
smartphone notifications
Product 1: CMF Watch 3 Pro
3.9

Notifications are useful for quick wrist checks and preset replies, but syncing and clearing behavior can be one-way or limited depending on phone platform.

Product 2: Garmin fenix 8 Pro
No score yet
smartwatch features
Product 1: CMF Watch 3 Pro
3.7

Smartwatch features cover basics such as notifications, camera shutter, calls, recorder, weather, music control, calendar, assistant access, and news, but not advanced platform features.

Product 2: Garmin fenix 8 Pro
4.4

Smartwatch features were broad for Garmin, including LTE communication, music, payments, apps, and safety tools, but still less app-rich than Apple.

software smoothness
Product 1: CMF Watch 3 Pro
4.1

Software smoothness is generally strong, with several reviewers praising fluid animations and scrolling, but one negative review saw lag and another saw small pauses.

Product 2: Garmin fenix 8 Pro
3.4

Software smoothness was mixed, with some smooth navigation evidence and one review reporting restarts and bugs.

step counting accuracy
Product 1: CMF Watch 3 Pro
2.7

Step-counting evidence is limited and mixed, with one reviewer seeing a sizeable difference between the watch and Google Fit by the end of the day.

Product 2: Garmin fenix 8 Pro
No score yet
stress tracking
Product 1: CMF Watch 3 Pro
3.4

Stress tracking and guided breathing are repeatedly mentioned, but at least one long-term reviewer found stress readings temperamental and not reflective of real stress.

Product 2: Garmin fenix 8 Pro
4.2

Stress tracking was mentioned as part of the broader health and wellness tracking suite.

style and design
Product 1: CMF Watch 3 Pro
4.3

Style and design are among the most praised areas, although a few reviewers dislike the plasticky or average feel.

Product 2: Garmin fenix 8 Pro
4.2

Style and design were viewed positively for rugged, premium looks, though bulk affected wearability.

third-party app support
Product 1: CMF Watch 3 Pro
1.5

Third-party app support is weak because reviewers repeatedly note that apps cannot be installed or accessed like on fuller smartwatch platforms.

Product 2: Garmin fenix 8 Pro
3.7

Third-party app support was present through Connect IQ, but app experience and Garmin Messenger setup were less polished than mainstream smartwatches.

touchscreen responsiveness
Product 1: CMF Watch 3 Pro
2.9

Touchscreen responsiveness is mixed: some reviewers praise smoothness while others report lag, missed swipes, or always-on behavior that does not work as expected.

Product 2: Garmin fenix 8 Pro
4.1

Touchscreen responsiveness evidence was limited but positive, with responsiveness described as matching the non-Pro Fenix 8.

user interface
Product 1: CMF Watch 3 Pro
4.3

The user interface earns praise for being clean, polished, readable, and visually appealing, especially with Nothing's minimal monochrome style.

Product 2: Garmin fenix 8 Pro
3.7

The user interface was data-rich and familiar, but small-keyboard typing made some communication tasks fiddly.

value for money
Product 1: CMF Watch 3 Pro
4.0

Value for money is strong overall because many reviewers find the design, display, battery, GPS, and basics impressive for around $99, despite harsher dissent.

Product 2: Garmin fenix 8 Pro
2.5

Value for money was the clearest concern: reviewers repeatedly tied worth to whether LTE/satellite connectivity is truly needed.

voice assistant quality
Product 1: CMF Watch 3 Pro
3.2

Voice assistant support is useful when it triggers Siri, Gemini, or ChatGPT through a compatible phone, but ChatGPT support is limited and inconsistent across phones.

Product 2: Garmin fenix 8 Pro
No score yet
watch face quality
Product 1: CMF Watch 3 Pro
4.0

Watch faces are a standout design strength, with many reviewers praising the quantity, style, AOD support, and creative video or AI face options.

Product 2: Garmin fenix 8 Pro
3.8

Watch-face quality was mixed, with quick swapping and rich data fields balanced by one reviewer disliking the default face.

water resistance
Product 1: CMF Watch 3 Pro
2.9

Water resistance is a major caveat: ratings are mentioned repeatedly, but reviewers stress that swimming, pools, oceans, or showers are not recommended.

Product 2: Garmin fenix 8 Pro
4.7

Water resistance was strong, with 100 m water resistance and dive-related use repeatedly noted.

wellness insights
Product 1: CMF Watch 3 Pro
2.5

Wellness insights are shallow compared with the raw metrics: reviewers wanted more written explanations or practical advice from sleep and health data.

Product 2: Garmin fenix 8 Pro
4.3

Wellness insights were supported by Morning and Evening Reports, Body Battery, recovery guidance, and daily health insights.

Wi-Fi connectivity
Product 1: CMF Watch 3 Pro
1.0

Wi-Fi is not available according to the reviewer evidence, which limits independent connectivity.

Product 2: Garmin fenix 8 Pro
4.0

Wi-Fi connectivity was mentioned in the specification context alongside Bluetooth, LTE-M, and GPS.

workout tracking variety
Product 1: CMF Watch 3 Pro
4.7

Workout variety is a major strength: reviewers consistently note the huge list of sports modes, often around 131 options, covering mainstream and niche activities.

Product 2: Garmin fenix 8 Pro
4.7

Workout tracking variety was a major strength, with reviewers citing broad sports modes, serious runner metrics, and comprehensive tracking.