In depth comparison and review of Garmin fēnix 6 Sapphire and Amazfit GTS 4. 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 GTS 4 |
|---|
| 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 |
| Audio Input | - | Microphone |
| Audio Output | - | Speaker |
| Width | 47 mm | 36.5 mm |
| Height | 47 mm | 42.7 mm |
| Depth | 14.7 mm | 9.9 mm |
| Weight | 60 g | 27 g |
| Body Material | Fibre-reinforced polymer | Stainless steel, aluminium alloy frame |
| Protection | Waterproof | Water-resistant |
| Clock Display | Yes | Yes |
| FEATURES | Garmin fēnix 6 Sapphire | Amazfit GTS 4 |
|---|
| Sensors | Accelerometer, barometric altimeter, pulse oximeter, 3-axis compass, optical heart sensor | Accelerometer, ambient light sensor, geomagnetic sensor, barometric altimeter, gyroscope, BioTracker PPG 4.0 biometric sensor |
|---|---|---|
| Tracking Data | Distance, time, speed, calories burned, activity, sleep activity, heart rate, steps taken, floors climbed, blood oxygen saturation, stress level | Time, calories burned, activity, sleep activity, heart rate, steps taken, blood oxygen saturation, sleep stages, stress level, menstrual cycle, personal activity intelligence (PAI), recovery time, training load, sleep quality score, nap, sleep breathing quality |
| Modes | - | 154 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 | Strength training guidance, camera remote control, find phone function, answering a call, VO2 max, making a call, Find my Device, breathing training function, store & play music, sunrise/sunset times, auto pause, auto lap, realtime location tracking, music playback control, weather information, instant message reply, PeakBeats workout status algorithm, ExerSense algorithm, Dual-band navigation, linear motor, Virtual Pacer, track run mode, smart trajectory correction, route file import |
| Notifications | Calendar, SMS, social apps, incoming calls | SMS, incoming calls, applications, high and low heart rate, low blood-oxygen, high stress level |
| Vibrating Alert | Yes | Yes |
| Feedback Type | - | Audio alert, vibration alert, visual interface |
| Navigation (GPS) | GPS/GLONASS/Galileo receiver | - |
| Payment Technology | Garmin Pay | - |
| Internet of Things (IoT) Compatible | - | Yes |
| IoT Intelligent Assistant | - | Alexa built-in |
| IoT Voice Controlled | - | Direct |
| CONNECTIVITY | Garmin fēnix 6 Sapphire | Amazfit GTS 4 |
|---|
| Wireless Interface | Bluetooth, Wi-Fi, ANT+ | Wi-Fi, Bluetooth 5.0 |
|---|
| DISPLAY | Garmin fēnix 6 Sapphire | Amazfit GTS 4 |
|---|
| Type | Memory-in-Pixel LCD - colour - transflective | AMOLED - colour |
|---|---|---|
| Resolution | 260 x 260 pixels | 390 x 450 pixels |
| Screen Size | 1.3" | 1.75" |
| Pixel Density | - | 341 ppi |
| Screen Protection | Sapphire glass | Tempered glass |
| Always On Display (AOD) | - | Yes |
| INPUT DEVICE | Garmin fēnix 6 Sapphire | Amazfit GTS 4 |
|---|
| Type | Touch buttons | Touch sensitive screen, push button |
|---|
| CASE | Garmin fēnix 6 Sapphire | Amazfit GTS 4 |
|---|
| Case Size | 47 mm | - |
|---|---|---|
| Case Shape | Round | Rectangular |
| Case Back | Metal | - |
| Case Details | Carbon grey DLC | Titanium | Aluminium alloy |
| BAND | Garmin fēnix 6 Sapphire | Amazfit GTS 4 |
|---|
| Band Type | Band | Strap |
|---|---|---|
| Band Width | 22 mm | 20 mm |
| Fits Wrist with Circumference | 125-208 mm | 140-200 mm |
| Changeable | - | Yes |
| Clasp Type | Buckle | Pin buckle |
| Band Material | Silicone | Fluoroelastomer |
| Band Colour | Black | Ember orange | Titanium | Infinite black | Misty white | Rosebud pink |
| STORAGE | Garmin fēnix 6 Sapphire | Amazfit GTS 4 |
|---|
| Storage Capacity | 32 GB | - |
|---|---|---|
| User Memory | - | 2.3 GB |
| BATTERY | Garmin fēnix 6 Sapphire | Amazfit GTS 4 |
|---|
| Technology | Lithium Ion | - |
|---|---|---|
| Capacity | - | 300 mAh |
| Battery Life | 48 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 8 days Battery Saver Watch Mode - up to 16 days Clock - up to 30 days Heavy usage - up to 4 days Accurate mode (with GPS) - up to 16 hours GPS mode - up to 28 hours Power saving mode (with GPS) - up to 33 hours |
| Rechargeable Battery | Yes | Yes |
| Recharge Time | - | 2 hour(s) |
| MISCELLANEOUS | Garmin fēnix 6 Sapphire | Amazfit GTS 4 |
|---|
| Included Accessories | Charging/data cable | Magnetic charging cable |
|---|---|---|
| Preloaded Software | Garmin Pay | To Do List, Games, Stopwatch, Calendar, World clock, Alarm Clock, Reminders, Timer, Compass, Countdown timer |
| Max Depth of Water Resistance | 100 m | 50 m |
| Max Operating Temperature | - | 45 °C |
| Min Operating Temperature | - | 0 °C |
| Warranty | 1-year warranty | 1-year warranty |
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