Garmin D2 Mach 2 vs Amazfit GTR 3 Pro comparison

Compare Garmin D2 Mach 2
Compare Amazfit GTR 3 Pro
key specs
Display Size35mm36mm
Dial ShapeRoundRound
Ideal ForUnisexUnisex
Strap Colour-Black
Compatible OS-Android, iOS
Display Type-AMOLED
general
BrandGarminAmazfit
ModelD2 Mach 2GTR 3 Pro
Release dateOctober 22, 2025October 11, 2021
Model NameGarmin D2 Mach 2-
Dial ColourBlackBlack
Dial ShapeRoundRound
Water Resistant10 ATMYes
Ideal ForUnisexUnisex
Size-Regular
Touchscreen-Yes
Interchangeable Strap-Yes
Water Resistance Depth-5 ATM
Dial Material-Aluminium
Strap Colour-Black
dimensions
Width4746
Height4746
Thickness13.810.7
Weight (g)73.0042.00
product details
Talk time14-
Sensor-Accelerometer Sensor, Barometer Sensor, Gyro Sensor, Light Sensor, Optical Heart Rate Sensor, SpO2 Sensor, Blood Pressure Monitor
Compatible Device-Android, iPhone
Notification-Yes
Battery Type-Li-ion
Battery Life-12 days
connectivity features
Call FunctionYes-
BluetoothYesBluetooth
Wi-FiYes-
GPSYesYes
Third Party App SupportYesYes
Call FeaturesYes-
Other Connectivity FeaturesGlonass, Galileo, Beidou, QZSS-
Bluetooth Version-5.0
Messaging Support-Yes
camera and display features
Display Resolution454 x 454480x480
Display Size35mm36mm
Display Type-AMOLED
Backlight Display-Yes
fitness and watch functions
Step CountYesYes
Calorie CountYesYes
Heart Rate MonitorYesYes
CompassYesYes
CalendarYesYes
Alarm ClockYesYes
Date & Time DisplayYesYes
LanguageEnglishEnglish
Altimeter-Yes
Chronograph-Yes
Number of Buttons-2
Other Fitness Features-150 sports mode
platform and storage features
Operating System-ZeppOS
Compatible Operating System-Android, iOS
audio and video features
Speaker-Yes
Microphone-Yes
Voice Control-Yes

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