Compare Amazfit T-Rex 3 vs Garmin Approach S70

Reviewers found auto-detection present but uneven: one called workout detection unreliable, while strength and dive-related automatic detection showed some useful scope.

Auto-detection is supported mainly through automatic shot tracking and measured-shot behavior, with positive convenience but some manual confirmation or sensor caveats.

The Zepp ecosystem is improving with native and third-party apps, but reviewers still place it behind more mature sports ecosystems such as Coros or larger app stores.

The Garmin ecosystem is praised for tying golf, fitness, watch faces, and Connect IQ-style additions together.

Band feedback is mixed: some reviewers liked the soft silicone strap, while one found the stock strap stiff, sweaty, and uncomfortable when tightened.

Band quality is mixed: reviewers like comfort and integrated looks, but several dislike the molded strap not laying flat or prefer older straps.

Battery life is one of the strongest areas, with reviewers reporting roughly a week to multiple weeks depending on settings and long GPS endurance for outdoor use.

Battery life is one of the strongest positives, with reviewers reporting long smartwatch use, multiple rounds, and much better endurance than Apple Watch comparisons.

Blood oxygen tracking is consistently present as part of the health sensor suite, usually mentioned alongside HRV, skin temperature, and stress monitoring rather than deeply tested.

Pulse ox and blood oxygen tracking are present in several reviews and treated as part of the S70’s higher-end health sensor package.

Bluetooth support is broad, including heart-rate straps and cycling sensors, but some reviewers noted incomplete support or uneven sensor behavior.

Bluetooth connectivity is supported through Bluetooth music and headphone pairing, though the evidence is functional rather than deeply evaluated.

Brightness is a clear strength, with multiple reviewers praising the 2,000-nit AMOLED screen and its vivid, readable output.

Brightness is repeatedly praised, with reviewers describing the screen as bright, crisp, colorful, and clear.

The watch is generally described as rugged and solid, using a stainless steel bezel and polymer body, though its affordable materials are not uniformly premium.

Build quality is viewed positively, with reviewers describing a lightweight, well-designed build and confidence-inspiring construction.

Physical buttons are a real advantage for workouts and glove use, though one reviewer found the buttons did not always integrate seamlessly with menus.

Button controls are generally praised, with reviewers liking the three-button setup and easy navigation support.

Call handling is a major limitation because the watch lacks a speaker and reviewers repeatedly noted it cannot take or make calls.

Call handling is limited because reviewers say the watch can show or manage calls but cannot be used to actually speak through the watch.

Calorie tracking is available and was close to comparison watches in one review, but most evidence treats it as a basic metric rather than a major decision driver.

Charging convenience is mixed: reviewers liked the small puck/cradle concept, but others noted the puck-only setup requires the user to supply or keep track of a cable.

Charging convenience is mixed to negative, with reviewers repeatedly mentioning proprietary charging, USB-C adapter issues, and awkward face-down charging.

Charging speed is a weakness, with reviewers repeatedly citing roughly 2.5 to 3 hours or calling it slow.

Charging speed has limited but positive support from one reviewer who says it does not take long to fully charge.

Coaching tools can create plans and workout guidance, but reviewers split between finding the AI plans useful and seeing the coaching advice as underdeveloped.

Coaching features are one of the S70’s strongest themes, with virtual caddie, PlaysLike, club suggestions, shot dispersion, and scoring advice appearing across many reviews.

Comfort depends heavily on wrist size and wear time: some found it surprisingly wearable, while others found it bulky or uncomfortable for long periods.

Comfort is a major strength, with reviewers saying the watch disappears, sits comfortably, and does not bother them during golf or sleep.

The Zepp app is improving and has received a cleaner redesign, but reviewers still reported crashes, confusing layouts, and occasional poorly grounded recommendations.

Companion app quality is generally positive, especially Garmin Golf for round data, stats, and ecosystem value, with setup requirements noted.

Payments exist but are limited, mainly through Curve or region/bank restrictions, so reviewers did not treat them as a reliable universal feature.

Contactless payments are available through Garmin Pay, but evidence is mixed because bank support and setup can be limiting in some regions.

The watch works with both Android and iOS, but reviewers noted platform-specific limitations, especially around replies and smart features.

Cross-platform compatibility is positive overall because the watch pairs with iPhone and Android, though notification controls differ by platform.

Customization is strong across shortcut cards, data screens, strap adapters, route colors, and watch settings.

Customization is strong, with reviewers noting data fields, colors, golf settings, watch faces, and movable pin or flag controls.

Display quality is broadly praised for size, AMOLED color, brightness, and readability, though a few reviewers noted it is not quite best in class.

Display quality is the strongest consensus attribute: reviewers repeatedly praise the AMOLED screen’s sharpness, clarity, color, and impact on maps.

Durability is a strong point, with reviewers reporting rugged construction, outdoor testing without damage, and good resilience in rocky conditions.

Durability has limited direct support but is positive where mentioned, with the scratch-proof lens cited.

ECG is absent; reviewers directly noted the watch does not include ECG tracking or functionality.

Fit is polarizing because the case is large and comes in one main size, suiting larger wrists better than smaller ones.

Fit is positive, helped by wrist comfort, swing clearance, and the smaller 42mm option for users who found larger cases too big.

Core fitness tracking generally lands well for casual and outdoor use, though some areas still need refinement compared with higher-end sports watches.

Fitness and shot-tracking accuracy is mostly positive, with reviewers praising Garmin-level sensor accuracy and convenient data, though some note shot-tracking limitations.

GPS accuracy is consistently strong across reviews, with clean tracks, solid route matching, and good results even in challenging outdoor settings.

GPS and yardage accuracy are consistently praised, including quick GPS lock, accurate yardages, and close agreement with rangefinder-style measurements.

Health tracking accuracy is mixed: many individual metrics look plausible, but broader health and wellness scoring is less consistently trusted.

Reviewers describe broad health tracking as useful and Garmin-level accurate, especially when combining sleep, stress, heart rate, pulse ox, and fitness metrics.

Heart-rate accuracy is mixed: steady running and moderate activity often test well, while high-intensity work and outdoor cycling create larger errors.

Heart rate appears as part of the S70’s fitness and wellness tracking, with reviewers treating it as a useful everyday metric rather than a golf-only add-on.

LTE is not available, with a reviewer explicitly noting there is no LTE version.

Mapping and navigation are a major strength, with detailed hole maps, hazard views, pin movement, blind-shot tools, and full-color course layouts repeatedly praised.

Materials are solid for the price, with stainless steel and Gorilla Glass, but reviewers acknowledge compromises versus premium sapphire or higher-end builds.

Materials quality is positive in the available evidence, especially the ceramic bezel and premium-feeling build.

Menu navigation splits reviewers: some found the layout intuitive and Garmin-like, while others got lost in the many menus and options.

Menu navigation is mixed: several reviews praise simple starts and quick menus, while touch-heavy hole navigation frustrates one reviewer.

Music controls are available and useful for phone playback, but they are part of a limited smartwatch feature set.

Music controls are present, but reviewers split between liking access and finding Garmin’s menu path less convenient than Apple Watch behavior.

Onboard MP3 storage is supported with substantial capacity, but reviewers note the lack of streaming music services.

Onboard music storage is a clear plus, with multiple reviewers noting downloaded songs or playlists from services such as Spotify or Amazon Music.

The on-watch experience is responsive and richer than some competitors, but the operating system and smartwatch platform still feel less mature than flagship ecosystems.

Operating system experience is mixed: one reviewer finds Garmin software mostly intuitive, while another says the OS hurts enjoyment on the course.

Outdoor visibility is a major strength, with reviewers finding the AMOLED screen easy to read in bright outdoor conditions and direct sunlight.

Outdoor visibility is excellent across reviews, with several reviewers saying bright sunlight or sun glare did not prevent easy reading.

Pairing is useful but inconsistent: external HR monitors worked well for some, while other sensors failed, lacked support, or behaved unpredictably.

Pairing reliability has limited but positive evidence, with one reviewer calling phone pairing straightforward through Garmin’s apps.

Recovery and readiness insights are divisive: some reviewers liked the sections and training-load basics, while others found readiness scores inaccurate or too generous.

Recovery insight evidence is limited but supported by HRV readiness language, tying recovery-style feedback to sleep and heart-rate variability.

Reliability is mixed because hardware and updates inspire confidence, but reviewers reported sleep-sync failures, app crashes, and half-finished software behavior.

Reliability is mixed: GPS/course lock and battery endurance are praised, but one reviewer reports missed shot detections.

Safety features include storm, tide, altitude, and dive-related tools, but one dive alert issue was serious enough to be called a safety violation.

Safety features have limited support, with one guide noting an assistance/fall-detection-style safety feature.

Size flexibility is weak because the watch comes in a large single case size that may not suit smaller wrists.

Size options are widely praised because the S70 offers both smaller and larger versions, though color choices are limited in some reviews.

Sleep duration tracking can be accurate once working, but sleep and readiness scores drew criticism for glitches or overly generous scoring.

Sleep tracking gets frequent attention, with reviewers noting sleep scores, deep sleep or REM data, and morning feedback, though one reviewer questions how helpful the messaging feels.

Smartphone notifications are supported on both platforms, with mirrored notifications and some reply options, but platform limits remain.

Notifications are useful but mixed: reviewers like seeing messages and alerts, yet some call them distracting or limited for replies and conversation flow.

Smartwatch features are broad for the price but limited versus Apple, Wear OS, or Garmin flagships, especially calls, payments, and streaming.

Smartwatch features are strong for a golf watch, but reviewers still flag limitations compared with dedicated Apple or Android smartwatches.

Software smoothness is usually praised for fast menus and responsive scrolling, though maps and gesture wake can still show slowdowns.

Software smoothness is a noted weakness in limited evidence, especially around pan-and-zoom behavior on the course.

Step counting matched Garmin closely in the available direct comparison, though it was not widely tested across reviews.

Step counting is mentioned positively in limited evidence, mainly as an advanced counter one reviewer found useful.

Stress tracking is included with the broader health suite and tied to newer sensors, but reviewers mostly discussed availability rather than validating accuracy.

Stress tracking is widely mentioned; some reviewers found it surprisingly accurate or habit-changing, while one reviewer considered it less valuable.

Design is bold and rugged, with G-Shock-like or hexagonal styling that some reviewers liked and others found oversized or loud.

Style and design are positive, with reviewers calling the S70 stylish, modern, and suitable beyond the course.

Third-party support is improving through Strava, Komoot, Apple Health, Google Fit, Sonos, Spotify controllers, and app-store options, but integrations remain uneven.

Third-party app support is useful but not always seamless, with Connect IQ and downloadable apps/features appearing as the main support path.

Touchscreen responsiveness is generally good for swipes, taps, and map interaction, though gesture wake and some map modes remain inconsistent.

Touchscreen responsiveness is mixed: some reviewers find it good or responsive, while others find on-course panning and zooming fiddly.

The user interface earns praise for speed and Garmin-like logic, but reviewers who dislike complexity found the watch less beginner-friendly.

User interface evidence is limited but negative where cited, focused on the touchscreen interface feeling fiddly during golf use.

Value is the strongest consensus point: reviewers repeatedly called it outstanding, fantastic, or incredible for the feature set and price.

Value for money is mixed but generally favorable for advanced golfers: reviewers praise value if using the full feature set, while warning basic-yardage users can spend less.

Voice assistant quality is mixed: microphone recognition and commands can be impressive, but reviewers also found wrong answers, flakiness, and no speaker feedback.

Watch faces are generally liked or well executed, though taste varies and evidence is less central than display or interface quality.

Watch face quality is well supported, with reviewers praising built-in faces, Connect IQ options, and the AMOLED screen making faces look better.

Water resistance is a clear strength, with 10ATM/100m ratings and recreational dive or freedive support repeatedly cited.

Water resistance is positive, with reviewers citing 5 ATM or 50-meter ratings and shower/swim use.

Wellness insights are broad and accessible, including health assessments and readiness guidance, but their usefulness depends on trust in the underlying scores.

Wellness insights are a major differentiator, especially Body Battery, sleep, stress, energy, and Garmin’s explanations of what the metrics mean.

Wi-Fi is used for map downloads and works for large offline map transfers, but it is mostly a utility feature rather than a broader smartwatch connectivity strength.

Wi-Fi connectivity is lightly supported by setup/menu evidence showing the watch can connect to Wi-Fi for updates.

Workout variety is exceptional, with reviewers repeatedly citing more than 170 or 177 activity modes across conventional and niche sports.

Workout variety is a clear strength, with reviewers citing running, cycling, swimming, yoga, skiing, pickleball, and other activity modes.