In depth comparison and review of Garmin fēnix 6 Sapphire and Amazfit T-Rex 2. Compare sizes, functions, displays, batteries and other important specifications and features to easily choose the right smartwatch for you. Our goal is to help you uncover differences between the products and find the watch that will best fit your needs.
| GENERAL | Garmin fēnix 6 Sapphire | Amazfit T-Rex 2 |
|---|
| Product Type | Sport watch | Smart watch |
|---|---|---|
| Operating System | - | Zepp OS |
| Supported Host Device OS | iOS, Android | iOS 12 or later, Android 7.0 (Nougat) or later |
| Activity/Sport | Running, swimming, ski, cycling, hiking, climbing, snowboarding, rower, kayaking, jumpmaster, stand up paddleboarding | Multisport |
| Wearing Style | Watch style | Watch style |
| Width | 47 mm | 47.1 mm |
| Height | 47 mm | 47.1 mm |
| Depth | 14.7 mm | 13.65 mm |
| Weight | 60 g | 66.5 g |
| Body Material | Fibre-reinforced polymer | Polymer |
| Protection | Waterproof | Shockproof, water-resistant, salt fog protection, freezeproof, heat-resistant |
| Clock Display | Yes | Yes |
| FEATURES | Garmin fēnix 6 Sapphire | Amazfit T-Rex 2 |
|---|
| Sensors | Accelerometer, barometric altimeter, pulse oximeter, 3-axis compass, optical heart sensor | Accelerometer, ambient light sensor, digital compass, gyro sensor, geomagnetic sensor, barometric altimeter, BioTracker PPG 3.0 biometric sensor |
|---|---|---|
| Tracking Data | Distance, time, speed, calories burned, activity, sleep activity, heart rate, steps taken, floors climbed, blood oxygen saturation, stress level | Distance, calories burned, sleep activity, heart rate, blood oxygen saturation, sleep stages, stress level, menstrual cycle |
| Modes | - | 150+ sports modes |
| Goal Setting | Yes | Yes |
| Features | Find phone function, HR zones, Bluetooth Smart technology, VIRB control, inactivity alert, Move IQ, Find my Device, store & play music, Garmin Elevate, TrueUp, Body Battery, PacePro pace guidance, dual grid coordinates format | Camera remote control, find phone function, flashlight, alarm, realtime location tracking, weather information, event reminders, PAI Health Assessment System, pomodoro timer, stopwatch timer, PeakBeats workout status algorithm, OxygenBeats algorithm, ExerSense algorithm, SomnusCare, Dual-band navigation |
| Notifications | Calendar, SMS, social apps, incoming calls | Missed calls, calendar, incoming calls, applications |
| Vibrating Alert | Yes | Yes |
| Feedback Type | - | Vibration alert, visual interface |
| Navigation (GPS) | GPS/GLONASS/Galileo receiver | GPS receiver |
| Payment Technology | Garmin Pay | - |
| CONNECTIVITY | Garmin fēnix 6 Sapphire | Amazfit T-Rex 2 |
|---|
| Wireless Interface | Bluetooth, Wi-Fi, ANT+ | Bluetooth 5.0 BLE |
|---|
| DISPLAY | Garmin fēnix 6 Sapphire | Amazfit T-Rex 2 |
|---|
| Type | Memory-in-Pixel LCD - colour - transflective | AMOLED - colour |
|---|---|---|
| Resolution | 260 x 260 pixels | 454 x 454 pixels |
| Screen Size | 1.3" | 1.39" |
| Pixel Density | - | 326 ppi |
| Screen Protection | Sapphire glass | - |
| Always On Display (AOD) | - | Yes |
| INPUT DEVICE | Garmin fēnix 6 Sapphire | Amazfit T-Rex 2 |
|---|
| Type | Touch buttons | Touch sensitive screen, touch buttons |
|---|
| CASE | Garmin fēnix 6 Sapphire | Amazfit T-Rex 2 |
|---|
| Case Size | 47 mm | - |
|---|---|---|
| Case Shape | Round | Round |
| Case Back | Metal | - |
| Case Details | Carbon grey DLC | Titanium | Ember black | Wild green | Desert khaki | Astro black and gold |
| BAND | Garmin fēnix 6 Sapphire | Amazfit T-Rex 2 |
|---|
| Band Type | Band | Strap |
|---|---|---|
| Band Width | 22 mm | - |
| Fits Wrist with Circumference | 125-208 mm | 140-205 mm |
| Clasp Type | Buckle | Buckle |
| Band Material | Silicone | Silicone |
| Band Colour | Black | Ember orange | Titanium | Ember black | Wild green | Desert khaki |
| STORAGE | Garmin fēnix 6 Sapphire | Amazfit T-Rex 2 |
|---|
| Storage Capacity | 32 GB | - |
|---|
| BATTERY | Garmin fēnix 6 Sapphire | Amazfit T-Rex 2 |
|---|
| Technology | Lithium Ion | - |
|---|---|---|
| Capacity | - | 500 mAh |
| Battery Life | 48 day(s) | 24 day(s) |
| Battery Life Details | Smartwatch mode - up to 14 days GPS mode - up to 36 hour(s) Max Battery GPS Mode - up to 72 hour(s) Expedition GPS Mode - up to 28 days Battery Saver Watch Mode - up to 48 days GPS with Music mode - up to 10 hour(s) |
Typical usage - up to 24 days Battery safe mode - up to 45 days Heavy usage - up to 10 days Accurate mode (with GPS) - up to 26 hour(s) Balanced mode (with GPS) - up to 50 hour(s) Power saving mode (with GPS) - up to 58 hour(s) Ultra-low temperature (with GPS) - up to 10 hour(s) Ultra-low temperature (without GPS) - up to 9 days |
| Rechargeable Battery | Yes | Yes |
| Recharge Time | - | 2 hour(s) |
| MISCELLANEOUS | Garmin fēnix 6 Sapphire | Amazfit T-Rex 2 |
|---|
| Included Accessories | Charging/data cable | Magnetic charging dock |
|---|---|---|
| Preloaded Software | Garmin Pay | Zepp App |
| Compliant Standards | - | MIL-STD 810G |
| Max Depth of Water Resistance | 100 m | 100 m |
| Warranty | 1-year warranty | 1-year warranty |
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