Garmin D2 Air X15 vs Amazfit GTR 3 Pro comparison

Compare Garmin D2 Air X15
Compare Amazfit GTR 3 Pro
key specs
Strap ColourBlackBlack
Display Size35mm36mm
Compatible OSAndroid and iOSAndroid, iOS
Strap MaterialSilicone-
Dial ShapeRoundRound
Display TypeAMOLEDAMOLED
Ideal ForUnisexUnisex
general
BrandGarminAmazfit
ModelD2 Air X15GTR 3 Pro
Release dateOctober 22, 2025October 11, 2021
Model NameGarmin D2 Air X15-
Dial ShapeRoundRound
Strap ColourBlackBlack
Strap MaterialSilicone-
SizeRegularRegular
Water Resistance Depth5 ATM5 ATM
UsageFitness & Outdoor-
Ideal ForUnisexUnisex
Touchscreen-Yes
Interchangeable Strap-Yes
Water Resistant-Yes
Dial Material-Aluminium
Dial Colour-Black
dimensions
Weight (g)38.0042.00
Width-46
Height-46
Thickness-10.7
product details
SensorHeart Rate Monitor, Stress, Sleep, Pulse Ox blood oxygenAccelerometer Sensor, Barometer Sensor, Gyro Sensor, Light Sensor, Optical Heart Rate Sensor, SpO2 Sensor, Blood Pressure Monitor
Compatible DeviceAndroid and iOSAndroid, iPhone
NotificationCall Notification, Smartphone Apps NotificationsYes
Battery Life10 days12 days
Battery Type-Li-ion
connectivity features
Call FunctionYes-
BluetoothYesBluetooth
Third Party App SupportYesYes
Call FeaturesMake and Receive calls-
Other Connectivity FeaturesGPS, Galileo, Glonass, Beidou, QZSS-
Bluetooth Version-5.0
GPS-Yes
Messaging Support-Yes
platform and storage features
Compatible Operating SystemAndroid and iOSAndroid, iOS
RAM8GB-
Operating System-ZeppOS
camera and display features
Display Resolution454 x 454480x480
Display Size35mm36mm
Display TypeAMOLEDAMOLED
Backlight Display-Yes
fitness and watch functions
Step CountYesYes
Calorie CountYesYes
Heart Rate MonitorYesYes
AltimeterYesYes
CompassYesYes
CalendarYesYes
Alarm ClockYesYes
Date & Time DisplayYesYes
LanguageEnglishEnglish
Chronograph-Yes
Number of Buttons-2
Other Fitness Features-150 sports mode
audio and video features
Speaker-Yes
Microphone-Yes
Voice Control-Yes

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