Compare Garmin Forerunner 965 vs Amazfit T-Rex 3

Safety-related features were praised through navigation alerts, LiveTrack, and situational-awareness benefits.

Safety features were damaged by a serious dive-screen battery alert issue and missing full dive-computer safeguards.

Recovery insights were a standout, especially Training Readiness, which reviewers found actionable, digestible, and useful.

Recovery insights were one of the weakest areas, especially readiness and sleep scores that often felt too generous or inconsistent.

Charging speed was praised as fast or at least on the better side, with reviewers noting quick top-ups.

Charging speed was repeatedly criticized as slow, often around two to three hours from empty.

Menu navigation was generally easy once learned, with reviewers calling controls frictionless or easy to get used to.

Menu navigation was only clearly criticized in one review, where the feature volume made menus easy to get lost in.

Reliability was generally positive, with only minor bugs noted and one long-term reviewer saying it performed well in demanding use.

Reliability was hurt by half-baked software, quirks, and features that did not always behave consistently.

Voice assistant support was weak because the watch lacks true assistant, microphone, and call-smarts expected from fuller smartwatches.

Voice assistant quality was mixed: some reviewers loved the AI controls, while others found it flaky or easily confused.

Pairing and syncing were positive, with quick phone pairing and seamless Strava syncing noted.

Pairing reliability was mixed, with working accessories but reported gaps for power meters, footpods, and easier Garmin/Coros pairing.

Onboard music was praised for Spotify/offline support and 32GB storage for music and maps.

Onboard music was limited by MP3-only storage, no streaming, headphone requirements, or unintuitive setup.

Wi-Fi was a weak point for large map downloads because the watch-side transfer was described as slow.

Wi-Fi was only directly evaluated for map downloads, where one reviewer found the process straightforward once connected.

Build quality was mixed: reviewers liked Garmin durability in general but noted the flatter screen and bezel can be easier to hit or scratch.

Build quality was generally praised as rugged and sturdy, with stainless steel, polymer, Gorilla Glass, and durable construction noted.

Sensor connectivity was viewed as a strength because the watch supports broad ANT+ and Bluetooth Smart pairing.

Bluetooth support is useful for sensors, but reviewers reported mixed compatibility and reliability with some accessories.

Durability was mixed: some reviewers saw scratch resistance and solid materials, while several reported scratches or durability concerns.

Durability was broadly positive, with reviewers reporting rugged use, no damage, and strong water/weather confidence.

Fitness tracking accuracy was broadly praised across distance, elevation, running dynamics, and sports metrics, with gym heart-rate caveats.

Fitness tracking accuracy was mixed: basic GPS workouts were strong, while strength reps, elevation, and some advanced metrics had issues.

Heart-rate accuracy was generally strong and often close to chest straps, though high-intensity intervals could show lag or spotty readings.

Heart rate accuracy was mixed: steady running and indoor cycling often worked well, while outdoor cycling and intensity changes were weaker.

Mapping and navigation were major strengths, with detailed AMOLED maps, turn prompts, trail help, and strong route-following support.

Mapping and navigation were polarizing: reviewers liked free maps and detail for the price, but criticized routing, map quality, and clunky imports.

Value was context-dependent: reviewers praised the feature set and later discounts, but questioned the price for casual users or 955/265 owners.

Value for money was the strongest consensus, with nearly every reviewer calling it impressive for the price.

Call handling was mixed to weak: one review listed calls among lifestyle features, while others noted missing wrist-call or hands-free functionality.

Call handling was a clear limitation because the watch lacks a speaker, preventing normal wrist calls.

Fit was positive for users comfortable with Garmin sizing, but the larger case was not ideal for smaller wrists.

Fit was polarizing because the large case suits bigger wrists but can dominate smaller wrists or get in the way.

Calorie usefulness was split between helpful fueling alerts and weak diet/caloric-consumption tracking.

Calorie tracking was only directly evaluated once, where one reviewer said calorie burn aligned closely with reference watches.

The stock silicone/removable straps were generally praised as flexible, comfortable, good-looking, and easy to swap.

Band feedback was split: several liked the soft, stretchy straps, while others disliked stiffness or the tool-based swap system.

Materials were mostly praised for high-quality straps and a premium titanium bezel, though not all durability concerns disappeared.

Materials were acceptable for the price, but several reviewers noted Gorilla Glass and polymer compromises versus sapphire or premium builds.

Water resistance was strong in swim/shower-style use, with no accidental toggles and 50m/5ATM confidence noted.

Water resistance was positively judged for swimming, weather, freediving, or pressure testing, with safety caveats separated under safety features.

Health tracking was praised for the breadth and quality of Garmin’s metrics, especially for active users.

Health tracking accuracy was only broadly judged in a few reviews and was generally acceptable, though algorithmic metrics remained mixed.

Sleep tracking was mixed: several reviewers found it excellent or improved, while others criticized sleep phases or felt results were off.

Sleep tracking was mixed: total sleep timing often worked, but several reviewers reported bugs or weak sleep-stage/readiness algorithms.

Notifications were useful and more readable, but iOS limitations and limited message handling held them back.

Smartphone notification usefulness was limited by unreliable raise-to-wake behavior, though basic notification mirroring worked.

Suggested workouts, interval tools, race guidance, and on-wrist coaching were repeatedly described as helpful for training.

Coaching features were mixed, ranging from useful AI plans to advice that did not feel very helpful yet.

Cross-platform use was positive overall, with Android offering more watch interaction and Apple Health integration appreciated.

Cross-platform use works on Android and iOS, but reviewers repeatedly noted iPhone or smartwatch-feature limitations.

Style and design were praised as sporty, premium, modern, and among the better-looking Forerunner designs.

Style and design were subjective but generally positive, with rugged looks, premium feel, and distinctive octagonal styling noted.

Charging convenience was a repeated weakness due to Garmin’s proprietary connector, loose cable complaints, and lack of wireless charging.

Charging convenience was mixed: reviewers liked the small USB-C puck or magnetic dock, but disliked needing extra cables or a proprietary puck.

Comfort was mostly positive because the watch is light and wearable 24/7, though some reviewers found it bulky or heavy at first.

Comfort was highly wrist-dependent; some found it surprisingly wearable, while others disliked the bulk or long-term wear.

Reviewers liked Garmin’s cloud sync, Strava/Apple Health integration, Connect IQ options, and lack of a required subscription, though it remains sports-first.

Reviewers found the Zepp ecosystem improving and sometimes useful, but still less mature than Garmin, Coros, Apple, or Google alternatives.

The missing dedicated flashlight was repeatedly framed as a disappointment, especially compared with higher-end Garmin models.

Flashlight usefulness was mixed: screen flashlight features helped some users, but lack of a real LED flashlight disappointed others.

Exercise auto-detection was criticized because training features require manually starting activities.

Auto-detection was criticized as unreliable, with one reviewer disabling it after false activity recordings.

Step counting was tested as accurate, with a very low error rate in one review.

Step counting was only directly judged once, where it stayed close to a Garmin comparison.

GPS accuracy was one of the strongest points, repeatedly described as highly accurate, reliable, and often best-in-class.

GPS accuracy was a major strength, with most reviewers reporting reliable or very good tracks except isolated caveats.

Watch faces benefited from AMOLED and were sometimes called stunning, though one reviewer noted fewer choices than before.

Watch faces were praised as good-looking, plentiful, or well executed.

Workout variety was a major strength, with reviewers praising the large sport-mode library and deep multisport functionality.

Workout variety was consistently praised as enormous, sometimes excessive, and a major part of the watch’s appeal.

Battery life was broadly praised as strong for everyday training and most races, with caveats around always-on AMOLED, GPS-heavy use, and ultra-distance events.

Battery life was one of the strongest points across reviews, usually lasting many days even with GPS and AMOLED use.

The interface was widely praised as easier, cleaner, more modern, and dramatically improved by AMOLED.

User interface feedback ranged from excellent and intuitive to overwhelming, depending on reviewer tolerance for feature density.

Music controls were adequate for basic use, but one reviewer noted playback issues when skipping or changing playlists.

Music controls were present and useful for phone playback, but not a standout feature.

Buttons were consistently praised as tactile, easy to use during workouts, and a dependable alternative to touch controls.

Physical buttons were usually praised for workout control, though one reviewer found button integration imperfect in menus.

Smartwatch features were the main compromise: useful basics exist, but reviewers repeatedly called the experience barebones or limited.

Smartwatch features were good for basics and outdoor extras, but missing speaker/calls and mature app support held it back.

Reviewers found the AMOLED display bright enough indoors and at low settings, with clear improvements over older displays.

Brightness was consistently praised, especially the high-nit AMOLED screen for outdoor and sunny use.

Garmin Pay was treated as useful in concept but limited by inconsistent bank support, especially outside the US.

Contactless payments were a common weak spot due to Curve, regional limits, missing support, or setup failures.

Size options were a weakness because the 965 comes in only one size and can feel large on small wrists.

Size options were a weakness because the watch mostly comes as one large body that does not suit every wrist.

Third-party app support was mixed: Strava and Connect IQ are useful, but Garmin apps can feel clunky or less polished.

Third-party support was mixed: Strava and apps could work well, but route syncing and data exports had clear limitations.

Touch controls were useful and optional, with reviewers appreciating that buttons can replace touch during workouts.

Touchscreen responsiveness was mostly strong, though water/wetsuit touches and some map modes caused issues.

Garmin Connect was viewed as powerful and data-rich, but some reviewers found its organization confusing or dated.

The Zepp companion app was viewed as improved and sometimes easy, but also fussy, confusing, or crash-prone in several reviews.

Outdoor visibility was praised in sun, water, and all-light conditions, despite AMOLED battery tradeoffs.

Outdoor visibility was a consistent highlight thanks to bright AMOLED readability in sun and varied conditions.

Customization was a clear strength, from data screens and watch faces to app and watch settings.

Customization was a strength, with data pages, maps, settings, watch faces, and activity screens praised across reviews.

The AMOLED display drew very strong praise for color, legibility, sharpness, maps, and overall upgrade value.

Display quality was widely praised for AMOLED color, size, clarity, and crispness, with only a few premium-screen caveats.

Software smoothness was praised, with the UI described as smoother, faster, and free of lag in normal use.

Software smoothness was often praised for fast, responsive menus, although occasional jitter and isolated map slowdowns appeared.

The OS experience was viewed as effective and more fun with the refreshed AMOLED-era interface.

The operating experience was generally smooth and responsive, though some software features still felt immature.

Wellness insights were valued for health, fitness, stress, body battery, and sleep context, though one reviewer ignored some metrics.

Wellness insights were useful in breadth but uneven in trustworthiness, especially where readiness and sleep metrics fed advice.

Stress tracking was included in useful readiness and health context rather than treated as a standalone killer feature.

Stress-related HRV data was judged comparable in one review, but this area had limited direct evaluation.

One reviewer found blood oxygen readings close to a pulse oximeter, supporting strong SpO2 tracking confidence.

Privacy controls were praised for offering cloud-storage choices, delete options, and alternate activity backup paths.

ECG was a recurring missing feature and was called disappointing or expected by several reviewers.

LTE was a clear omission; reviewers called Garmin’s lack of cellular connectivity a shame or noted it was not added.

Resume Later was praised as a handy option for long breaks or multi-day treks.

Voice memos were praised by reviewers who used them for quick ideas or on-the-fly notes.