Garmin fēnix 6S Sapphire vs. Amazfit GTS 4

Smartwatch Comparison, Reviews and Tests

In depth comparison and review of Garmin fēnix 6S 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.

Smartwatch Specifications Comparison

Garmin fēnix 6S Sapphire vs. Amazfit GTS 4 Comparison Chart
GENERAL Garmin fēnix 6S 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 - Multisport
Wearing Style Watch style Watch style
Audio Input - Microphone
Audio Output - Speaker
Width 42 mm 36.5 mm
Height 42 mm 42.7 mm
Depth 13.8 mm 9.9 mm
Weight 44 g 27 g
Body Material Stainless steel, fibre-reinforced polymer Stainless steel, aluminium alloy frame
Protection Waterproof Water-resistant
Clock Display Yes Yes
FEATURES Garmin fēnix 6S 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, calories burned, activity, sleep activity, heart rate, steps taken, blood oxygen saturation 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 Bluetooth Smart technology, store & play music, PacePro pace guidance 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 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 -
Internet of Things (IoT) Compatible - Yes
IoT Intelligent Assistant - Alexa built-in
IoT Voice Controlled - Direct
CONNECTIVITY Garmin fēnix 6S Sapphire Amazfit GTS 4
Wireless Interface Bluetooth, Wi-Fi, ANT+ Wi-Fi, Bluetooth 5.0
DISPLAY Garmin fēnix 6S Sapphire Amazfit GTS 4
Type Memory-in-Pixel LCD - colour - transflective AMOLED - colour
Resolution 240 x 240 pixels 390 x 450 pixels
Screen Size 1.2" 1.75"
Pixel Density - 341 ppi
Screen Protection Sapphire glass Tempered glass
Always On Display (AOD) - Yes
INPUT DEVICE Garmin fēnix 6S Sapphire Amazfit GTS 4
Type - Touch sensitive screen, push button
CASE Garmin fēnix 6S Sapphire Amazfit GTS 4
Case Size 42 mm -
Case Shape Round Rectangular
Case Details Rose gold-tone | Carbon grey DLC Aluminium alloy
BAND Garmin fēnix 6S Sapphire Amazfit GTS 4
Band Type Band Strap
Band Width - 20 mm
Fits Wrist with Circumference - 140-200 mm
Changeable - Yes
Clasp Type Buckle Pin buckle
Band Material Silicone Fluoroelastomer
Band Colour Powder grey | Black | Heathered black Infinite black | Misty white | Rosebud pink
STORAGE Garmin fēnix 6S Sapphire Amazfit GTS 4
Storage Capacity 32 GB -
User Memory - 2.3 GB
BATTERY Garmin fēnix 6S Sapphire Amazfit GTS 4
Technology Lithium Ion -
Capacity - 300 mAh
Battery Life Details Smartwatch mode - up to 9 days
GPS mode - up to 25 hour(s)
Max Battery GPS Mode - up to 50 hour(s)
Expedition GPS Mode - up to 20 days
Battery Saver Watch Mode - up to 34 days
GPS with Music mode - up to 6 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 6S Sapphire Amazfit GTS 4
Included Accessories Charging/data cable Magnetic charging cable
Preloaded Software - 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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