Compare Tag Heuer Connected Calibre E4 vs Amazfit Active 2

Automatic activity and strength detection is mixed: one reviewer saw failed strength recognition, while others found workout detection or rep recognition useful when configured.

Reviewers liked that the watch uses Wear OS, Google Play, and installable apps, though the appeal is strongest when paired with TAG Heuer’s own software layer.

The app ecosystem is broader than many budget watches, with third-party integrations and app downloads, but reviewers also call the selection limited beside Apple, Wear OS, Fitbit, or Garmin.

Bands and clasps were consistently praised for comfort, softness, secure adjustment, and easy swapping, with several reviewers calling out premium rubber straps.

Band feedback is mixed: reviewers like the premium leather/sport strap options and standard quick-release setup, but the cheaper silicone strap is repeatedly described as awkward or fiddly.

Battery life is generally acceptable for daily smartwatch use and better on 45mm models, but reviewers still describe charging as a regular daily or near-daily habit.

Battery life is a major strength for the price, usually landing around three to six days under heavy or always-on use, with longer potential under lighter settings.

Blood oxygen tracking is explicitly absent, making this a weak point for buyers expecting a full modern health sensor package.

Blood oxygen tracking is widely available and sometimes tested well, including a very small deviation in one review, though most reviewers treat it as a wellness metric rather than medical data.

Bluetooth support is treated as a practical upgrade, with Bluetooth 5.0 repeatedly linked to faster syncing and data transfer.

Bluetooth support is strong for the class, covering phone connection, music controls, notifications, and external sensors such as heart-rate monitors and power meters.

Brightness is a major strength, with reviewers repeatedly praising the vivid, bright AMOLED screen and dial presentation.

Brightness is a standout: reviewers repeatedly praise the 2,000-nit-class AMOLED panel, though one reviewer found the ambient brightness adjustment less responsive.

Build quality is one of the clearest strengths, with reviewers praising the solid case, premium finish, and luxury-watch feel.

Build quality is generally praised for the low price, especially the stainless steel elements, though a few reviewers note plastic parts or a less robust feel.

Physical controls are a strong point, especially the rotating crown and pushers, which reviewers found satisfying, customizable, and easier than touch alone.

The two-button layout is useful and often responsive, but some reviewers miss richer button controls or note workout interactions that still depend too much on touch input.

Call handling is poor because multiple reviewers state the watch cannot take calls, even though it can receive call notifications.

Call handling is unusually capable for the price, with multiple reviewers noting on-wrist calls, though speaker quality ranges from clear and usable to weak or tinny.

Calorie usefulness is limited because weak heart-rate accuracy undermines calorie estimates, although the Wellness app does track calorie burn.

Calorie data is available, but reviewers treat it cautiously: one test found a respectable gap versus Apple Watch, while another found daily activity calorie estimates much lower.

Charging convenience is strong thanks to a sturdy stand-style dock that doubles as a bedside display rather than a small puck.

Charging is serviceable but not premium: reviewers note a magnetic/proprietary puck, USB-C adapter convenience in some cases, no Qi support, and missing cables in the box.

Charging speed is decent, usually described around 70 to 90 minutes for a full charge, though one review notes there is no quick-charge mode.

Charging speed is acceptable, ranging from about an hour to around two hours depending on the reviewer and charger setup.

Coaching features are a pleasant surprise, with animated guided workouts repeatedly praised as attractive, clear, and useful for casual exercise.

Coaching features are a useful value add, with Zepp Coach, readiness-style guidance, workout plans, and training tools mentioned, though not every reviewer finds the surrounding insights equally strong.

Comfort is generally strong, especially with the 42mm size, titanium versions, and adjustable clasp, though some heavier models are less ideal for overnight wear.

Comfort is a recurring positive thanks to the light, thin case, though some reviewers with fit issues or strap complaints are less enthusiastic.

The companion app is viewed positively when used for watch faces, fitness data, and Wear OS 3 setup, with reviewers calling it slick and informative.

The companion app offers lots of data and settings, but opinions split between praise for its breadth and criticism that it can feel confusing or not user-friendly.

Contactless payments are well supported through Google Pay, and reviewers describe payment use as simple and available for shops or transit.

Contactless payments are a caveat: reviewers note Zepp Pay or NFC on premium/regional models, while the standard Active 2 lacks it.

Cross-platform compatibility is mixed: the watch works with both Android and iPhone, but reviewers repeatedly say Android offers fuller interaction.

Cross-platform compatibility is a strength, with reviewers confirming Android and iOS support, though some functions differ between platforms.

Customization is a strength through watch faces, app shortcuts, straps, settings, and accessories that let owners tailor the watch’s look and behavior.

Customization is good for a budget watch, especially data fields, buttons, tiles, watch faces, and activity pages, but one reviewer wanted more watch-face flexibility.

Display quality is one of the best-reviewed traits, with consistent praise for sharpness, color, contrast, brightness, and premium AMOLED presentation.

Display quality is consistently praised: the AMOLED screen is described as bright, vibrant, responsive, readable, and better than expected at the price.

Durability evidence is positive but limited, centered on sapphire crystal, ceramic bezels, water resistance, and replaceable straps.

Durability is mixed: one review saw scuffs and scratches on the standard glass, while another reported no scratches during testing.

ECG functionality is absent, with reviewers explicitly noting no ECG or medical-style electrocardiogram feature.

ECG functionality is essentially absent; reviewers explicitly note that ECG is not something found on this watch at this price.

Fit is generally positive, helped by size options and the infinitely adjustable clasp, though reviewers with slimmer wrists tended to prefer 42mm.

Fit is mostly good for smaller or average wrists, but two reviewers said the sensor/case did not sit perfectly flat or flush.

Fitness tracking accuracy is a weakness; reviewers describe the watch as fine for casual use but not a replacement for dedicated sports watches.

Fitness tracking accuracy ranges from very good in several run and workout comparisons to merely competent in others, especially when compared with higher-end sports watches.

GPS is mixed: some reviewers found fast acquisition or acceptable results, while others reported over-reported distance.

GPS accuracy is generally usable and sometimes very strong, but reviewers also report drift, imperfect curves, slower lock-on, and limitations versus premium sports watches.

Health tracking accuracy is limited, mainly because reviewers found the sensor package and heart-rate readings unsuitable for serious insight.

Health tracking accuracy is mixed: one lab-style review found strong results, while several reviewers found stress, body temperature, readiness, or general sensitivity less reliable.

Heart-rate accuracy is inconsistent and often weak, with several reviews reporting large differences versus chest straps, Garmin, Oura, or Apple Watch.

Heart-rate accuracy is mixed by activity: steady runs can be close to reference devices, but interval, cycling, strength, and high-intensity workouts can be less reliable.

LTE connectivity is not supported, and reviewers repeatedly list cellular connectivity as a missing feature.

LTE connectivity is not offered; reviewers explicitly say the watch lacks LTE and depends on a nearby phone for connected features.

Mapping and navigation are unusually strong for the price, with offline maps and routes, but precision, loading, route setup, and turn-by-turn guidance are recurring caveats.

Materials quality is excellent, with repeated praise for stainless steel, titanium, ceramic bezels, sapphire crystal, and luxury finishing.

Materials quality is strong for the price with stainless steel and sapphire options, although some models still use plastic on the underside or holder areas.

Menu navigation is aided by the rotating crown and physical controls, though general Wear OS navigation quality depends on the software version.

Menu navigation is generally approachable, with easy swipes and button-plus-touch operation, though not every reviewer likes the app list or navigation layout.

Music controls are solid, with reviewers noting working playback controls and phone-free pause, play, and skip access.

Music controls are supported for phone playback and are generally useful, but this is not the same as a full streaming-watch experience.

Onboard music support is good for Wear OS, with offline playlist syncing and downloads mentioned for supported music services.

Onboard music storage evidence is conflicting: two reviewers found no or unclear local music storage, while one reported limited space for music alongside maps.

The OS experience is mixed: Wear OS 2 drew frustration, while Wear OS 3 and TAG Heuer’s visual layer were described as smoother and more premium.

Zepp OS is efficient and capable, with some reviewers praising its battery-friendly features while others note it lacks Apple or Wear OS polish.

Outdoor visibility is a clear strength, with multiple reviewers saying the display is readable in bright sunlight.

Outdoor visibility is a strength; reviewers repeatedly say the display remains readable in sunlight, although some needed high brightness outdoors.

Pairing reliability is positive in the few direct tests, including automatic iPhone reconnection and quick, issue-free setup.

Pairing and syncing are mostly straightforward, with quick setup and satellite lock comments, but one reviewer reported slow data syncing.

Recovery insight is limited; one review saw an estimated rest time, while another noted no deeper feedback on how to improve.

Recovery insights are available through readiness, training load, and recovery time, but reviewers disagree on how accurate or actionable they are.

Reliability is mixed: general software stability is praised in one review, but notification delivery was only moderate in another.

Overall reliability is mixed: the hardware and core functions can be dependable, but reviewers note navigation unreliability and unfinished behavior in some features.

Safety features are limited, with at least one reviewer specifically noting missing fall detection and a restrained feature set.

Safety features are limited but present around alerts, with reviewers noting high/low heart-rate reminders, low oxygen alerts, and stress breathing prompts.

Size options are a strong advantage, with 42mm and 45mm versions broadening appeal across smaller and larger wrists.

Size options are limited: the round and square forms broaden choice, but reviewers also wanted more sizes and noted standard and premium round models share the same size.

Sleep tracking is weak because reviewers say native sleep tracking is missing or not emphasized.

Sleep tracking is mixed to good: several reviewers found it close to Oura, while others saw wake/light-sleep confusion or overly generous scores.

Notification handling is useful, especially on Android, but iPhone support is more limited and notification reliability can vary.

Smartphone notifications are handled well for a budget watch, with reliable display, app/call/text alerts, icons, and richer replies depending on phone platform.

Core smartwatch features are generally solid for everyday use, including notifications, watch faces, apps, activity tracking, and Wear OS conveniences.

The smartwatch feature set is very broad for the money, but some reviewers still view it as less full-featured than Apple Watch or Wear OS options.

Smoothness is generally strong, especially with the Snapdragon 4100+ and Wear OS 3, with several reviewers reporting little lag or snappy performance.

Software smoothness is mostly good in daily use, with snappy menus and few stutters, but reviewers still mention lag, bugs, and unpolished corners.

Step counting is passable but not exact, with reviewers finding roughly 1,000-step differences versus comparison devices.

Step counting appears solid in the reviews that tested it, with results close to other trackers or described as very accurate.

Stress tracking exists, including one-touch and high-stress prompts, but at least one long-term reviewer found it clearly inaccurate.

Style and design are the product’s biggest strength, with reviewers consistently praising its luxury look, traditional-watch feel, and desirability.

Style and design are a major strength: reviewers repeatedly praise the classic, premium-looking, light design despite some personal preference differences.

Third-party app support is good through Google Play and Wear OS, with reviewers noting downloadable apps and installable fitness apps.

Third-party app support exists through apps and integrations like Sonos, GoPro, Strava, Google Fit, TrainingPeaks, and Apple Health, but depth is limited versus major smartwatch platforms.

Touchscreen responsiveness evidence is limited but positive, with reviewers reporting responsive interaction and very little latency.

Touchscreen responsiveness is widely praised as smooth and quick, though one reviewer found it almost too sensitive while swiping.

The interface is attractive and easy to use in TAG Heuer’s own apps, though broader Wear OS flow is less universally praised.

The user interface splits opinion: one reviewer calls it clunky, while another finds it clean aside from some cramped widget behavior.

Value for money is the clearest tradeoff: reviewers admire the luxury execution but repeatedly say cheaper watches do more for far less.

Value for money is the strongest consensus point, with reviewers repeatedly saying the Active 2 delivers an unusually large feature set for $99 to $129.

Voice assistant support is present and generally useful through Google Assistant, though evidence is limited and not a major focus.

The voice assistant can be genuinely useful for commands, messages, and settings, but reviewers note lag, phone dependence, weak complex-query handling, and regional/platform limits.

Watch faces are a standout feature, repeatedly praised for detail, customization, TAG Heuer identity, and premium always-on presentation.

Watch faces are a positive, with reviewers citing sharp, plentiful, customizable, and attractive free options.

Water resistance is consistently listed at 50 meters or 5ATM, enough for swimming and daily water exposure but not intensive diving use.

Water resistance is solid for the category, with repeated 5 ATM or 50-meter references and use for swimming or showering.

Wellness insights cover steps, heart rate, calories, exercise time, and daily activity displays, but depth depends on imperfect sensor data.

Wellness insights are plentiful, especially readiness and sleep guidance, but usefulness varies because some scores and interpretations seem generic or overly generous.

Wi-Fi support is present alongside Bluetooth and NFC, but reviewers mention it mostly as a standard connectivity feature rather than a standout.

Wi-Fi connectivity is absent; reviewers explicitly state that the Active 2 has no Wi-Fi antenna or WiFi.

Workout variety is good for casual users, with running, walking, cycling, swimming, golf, general fitness, and guided workouts mentioned.

Workout tracking variety is excellent, with around 160 to 164 modes repeatedly highlighted across reviews.