Compare Apple Watch SE 3 vs Garmin Forerunner 255S

GPS accuracy was mostly praised for everyday workouts, though reviewers noted single-band GPS can wander in dense urban or more challenging environments.

GPS accuracy was one of the strongest themes, with multi-band GNSS often praised as accurate or spot-on; one reviewer found it merely okay beside higher-end Garmin models.

Heart-rate tracking drew strong praise across testing, with reviewers saying it aligned well with comparison devices and remained usable even in harder workouts.

Reviewers generally found heart-rate tracking strong for a wrist device, with several comparisons to straps or other watches; caveats centered on optical sensors and fast HIIT-style changes.

Sleep tracking was generally useful and often accurate enough, though several reviewers felt Apple’s Sleep Score was simpler than competing systems.

Sleep tracking was useful and often close enough for general use, but reviewers noted it was less detailed or less sensitive than dedicated sleep-focused devices.

Fitness tracking accuracy was a clear strength, with reviewers reporting reliable workout, activity, and comparison-test results for the price.

Fitness tracking accuracy was a consistent strength, with reviewers praising run, workout, and training data as accurate and useful across several use cases.

Workout Buddy and coaching features were appreciated as helpful motivation, though reviewers often described them as basic, repetitive, or hit-or-miss.

Coaching tools and daily suggestions were widely liked, with reviewers describing them as personal-trainer-like, helpful for race prep, or a useful morning prompt.

Recovery-related evidence was limited, but one fitness-focused review valued training-load tracking as a way to monitor workout volume over time.

Recovery insights were valued when they simplified training decisions, but HRV status drew criticism for complexity or taking too long to appear.

Workout variety was viewed very positively, with reviewers noting broad sport profiles and nearly the same workout options as pricier Apple Watches.

Workout variety was praised as broader than a basic running watch, especially because swimming, cycling, multisport, triathlon, and extensive workout tools are supported.

Blood oxygen tracking was consistently treated as a missing premium health feature, with reviewers noting it remains reserved for higher-end Apple Watches.

Blood oxygen tracking was treated as a battery-heavy feature rather than a standout health tool, with one reviewer recommending disabling continuous monitoring if battery matters.

Wellness insights were considered helpful for beginners or casual users, especially Sleep Score, sleep apnea alerts, and the Vitals-style health context.

Wellness insights such as Morning Report and Body Battery were useful to reviewers, especially when they summarized recovery or daily readiness without becoming overwhelming.

Comfort was a consistent strength, especially for sleep, smaller wrists, and unobtrusive daily wear.

Comfort was one of the strongest areas, with reviewers repeatedly praising the light, compact watch for day, workout, and sleep wear.

Materials quality evidence was limited but positive, centered on the aluminum case, rounded body, and premium-looking construction.

Materials quality was mixed: the bezel and strap were praised, but Gorilla Glass was called scratch-prone.

Fit evidence was limited and mixed, with one reviewer saying the older body did not sit as flush as the Series 11.

Fit was especially strong for smaller wrists, with reviewers describing the watch as unobtrusive, well-sized, and easy to wear.

Style and design were the main aesthetic tradeoff: reviewers liked the familiar Apple Watch look but repeatedly called it dated or bezel-heavy.

Style and design were mostly practical rather than flashy: reviewers liked the tiny, capable form but did not call it a sleek fashion watch.

Band quality evidence was limited but very positive, with praise for easily replaceable Apple Watch bands.

Band quality was positive overall, with reviewers calling the strap well-built, tough, and comfortable.

Size options were viewed positively for offering 40mm and 44mm choices, especially for smaller wrists.

Size options were praised because the smaller S model makes serious Garmin training tools accessible to more wrist sizes.

Durability was mixed: stronger Ion-X glass drew praise, but some reviewers noted weaker dust/scratch protection or actual scratching.

Durability was generally positive, especially in long-term use, though one reviewer cautioned that ruggedness was hard to judge.

Water resistance was considered adequate for common needs, with several reviewers accepting the 50m/swimproof rating.

Water resistance was treated positively for swimming, rain, showering, and button use underwater.

Build quality was considered solid for the price, with reviewers calling it well made and modern enough despite the older design.

Build quality received one clear positive judgment, with the bezel described as solid and made from fiber-reinforced polymer.

Battery life was the main practical compromise, ranging from excellent in some tests to daily-charge frustration in others.

Battery life was widely praised, often landing around a week or more, but music, GPS, backlight, and long-term decline introduced caveats.

Charging convenience was mixed because faster top-ups help, but sleep tracking still forces many users into a daily charging routine.

Charging convenience was a drawback because reviewers noted the lack of wireless charging and criticized the proprietary cable as dated.

Display quality was a major upgrade thanks to always-on functionality, though reviewers still noted smaller bezels and lower specs than Series models.

Display quality was praised for clarity, compact usefulness, and always-on practicality, though reviewers acknowledged it lacks AMOLED polish.

Outdoor visibility was generally serviceable, but direct sunlight remained a repeated display limitation.

Outdoor visibility was a major strength, with reviewers praising direct-sunlight readability and low glare from the memory-in-pixel display.

Reliability evidence was limited but positive, with one reviewer concluding the SE 3 has what most users need.

Reliability was positive overall, with reviewers calling the watch dependable, practical, solid, or long-lasting in regular use.

Value for money was the strongest consensus attribute, with reviewers repeatedly calling the SE 3 a standout bargain or best-value Apple Watch.

Value for money was a major strength, with reviewers repeatedly calling the 255S a high-value training watch despite some cheaper rivals.

Cross-platform compatibility was a clear limitation because the SE 3 remains an iPhone-only smartwatch.

Cross-platform compatibility was positive in the evidence, with the Garmin Connect experience described as consistent across supported phone platforms.

The app ecosystem was one of the SE 3’s strongest advantages, repeatedly described as unmatched or far richer than competing budget watches.

The app ecosystem was mixed: Connect IQ adds watch faces and extras, but reviewers also described app support as limited compared with richer smartwatch stores.

Software smoothness was one of the most consistent strengths, with reviewers praising the S10 chip for snappy menus, fast apps, and fluid navigation.

Software smoothness was a weakness: reviewers noted slow Connect IQ downloads or the need to bounce between Garmin apps.

Third-party app support was praised for extending the native experience, with reviewers highlighting Apple’s App Store depth and useful fitness apps.

Third-party app support was useful mainly for fitness-related tools, but reviewers found it narrower than mainstream smartwatch app ecosystems.

Menu navigation evidence was limited but positive, with one reviewer describing the basic home-screen and control flow as simple.

Menu navigation was polarizing, with one reviewer praising intuitive menus but several others calling Garmin navigation inconsistent, confusing, or daunting for newcomers.

Apple Pay was positively mentioned as part of the compelling smartwatch feature set and deep Apple ecosystem integration.

Garmin Pay worked for reviewers, but it was described as less slick or less compelling than rival watch payment systems.

Reviewers generally agreed the SE 3 delivers the core Apple Watch experience, making it feel much less like a compromised budget model.

Smartwatch features were considered useful but secondary; reviewers liked the basics while repeatedly framing the 255S as a training tool rather than a flashy smartwatch.

The companion app setup drew a mixed note because managing Watch, Health, and Fitness across multiple iPhone apps can feel tedious.

The companion app was mostly useful for setup, syncing, visualization, and customization, though some Garmin workflows still required extra learning.

The user interface was praised as easy, cohesive, and fluid, with gestures and Smart Stack improving quick interactions.

The overall user interface was mixed: long-term Garmin users found the learning curve manageable, while other reviewers found the interface confusing.

Pairing/setup evidence was limited but positive, with one review calling setup quick and easy.

Pairing reliability was mixed: watch setup and syncing were reliable in one review, while headphone pairing was criticized as time-consuming in another.

Customization was useful through watch faces, workout views, and settings, but limited by the lack of third-party watch faces.

Customization was a clear strength, from screen layouts and data fields to exercise settings and watch faces.

Notification handling was a major everyday strength, with reviewers praising call, text, and response convenience from the wrist.

Notifications worked well despite the compact display, and one reviewer showed texts arriving clearly with quick-response options.

watchOS experience received very strong marks for polish, smoothness, and making the SE 3 feel similar to pricier Apple Watches.

Operating system experience received one positive long-term judgment, with the reviewer describing Garmin's familiar system as easy to use.

Music controls and speaker/media features were useful additions, though reviewers were split on how often they would actually use playback from the watch speaker.

Music controls worked, but the lack of touch interaction made them feel less polished than they could be.

Watch faces were viewed positively, especially the always-on versions and Apple’s high-quality built-in choices.

Watch face quality received one positive mention, mainly because the reviewer found many available faces for the 255S.

Button and gesture controls were widely praised, especially Double Tap, Wrist Flick, the Digital Crown, and side-button shortcuts.

Button controls were mostly praised for workouts, water use, and avoiding accidental touches, though the button-only approach may not suit touchscreen-first users.

Auto-detection was useful but not flawless; reviewers found it adequate for walks and workouts, while one later review said it still lagged rivals.

ECG was the most repeated missing health feature, often framed as the main reason some higher-risk buyers might step up to the Series line.

Cellular connectivity was viewed as a useful option, with 5G improving coverage, efficiency, and phone-free use for calls, messages, and downloads.

Safety features were strongly praised, especially fall detection, crash detection, emergency features, and real family anecdotes.

Bluetooth connectivity was positive when headphones paired easily in one review, but another reviewer found headphone pairing slow during music setup.

Call handling was rated highly where tested, especially voice isolation and gesture-based call management.

Navigation evidence was limited but positive, with offline Apple Maps presented as helpful when away from the phone.

Onboard music storage split reviewers: some praised offline storage and streaming support, while another found setup slow and confusing enough to carry a phone instead.

Touchscreen responsiveness had limited but very positive evidence, with PCMag saying the watch responded promptly and consistently.

On-device Siri was broadly seen as a useful upgrade, making commands faster and more practical for workouts, timers, weather, and health questions.

Brightness was usually adequate and sometimes praised, but reviewers acknowledged it is below the brighter Series and Ultra screens.

Calorie tracking appeared as part of the useful core fitness toolkit, with one test finding calorie and distance figures matched a comparison watch exactly.

Reviewers described the core health basics as adequate or mostly complete, especially heart-rate alerts and general tracking, while noting that advanced sensors remain absent.

Step counting received one clear positive judgment, with the reviewer finding it nearly spot-on against manual counting and other watches.

Charging speed improved substantially over the SE 2 and was usually praised, even when still slower than pricier Apple Watches.

Running power support was useful in concept but limited by the need for an external Garmin sensor.