Garmin D2 Mach 2 vs Samsung Galaxy Watch 4 Classic (46mm) comparison

Compare Garmin D2 Mach 2
Compare Samsung Galaxy Watch 4 Classic (46mm)
key specs
Display Size35mm46mm
Dial ShapeRoundRound
Ideal ForUnisexUnisex
Strap Colour-Black, Silver
Compatible OS-Android
Display Type-AMOLED
general
BrandGarminSamsung
ModelD2 Mach 2Galaxy Watch 4 Classic (46mm)
Release dateOctober 22, 2025August 11, 2021
Model NameGarmin D2 Mach 2Galaxy Watch 4 Classic
Dial ColourBlackBlack, Silver
Dial ShapeRoundRound
Water Resistant10 ATMIP68
Ideal ForUnisexUnisex
Size-Large
Touchscreen-Yes
Interchangeable Strap-Yes
Water Resistance Depth-5 ATM
Dial Material-Stainless Steel
Strap Colour-Black, Silver
dimensions
Width4745.5
Height4745.5
Thickness13.811
Weight (g)73.0052.00
product details
Talk time14-
Sensor-Samsung BioActive Sensor (Optical Heart Rate + Electrical Heart + Bioelectrical Impedance Analysis), Accelerometer, Barometer, Gyro Sensor, Geomagnetic Sensor, Light Sensor
Compatible Device-Android
Notification-Yes
Rechargeable Battery-Yes
connectivity features
Call FunctionYes-
BluetoothYesYes
Wi-FiYesYes
GPSYesYes
Third Party App SupportYes-
Call FeaturesYes-
Other Connectivity FeaturesGlonass, Galileo, Beidou, QZSSNFC
Bluetooth Version-5.0
camera and display features
Display Resolution454 x 454450x450
Display Size35mm46mm
Display Type-AMOLED
Scratch Resistant-Gorilla Glass DX
fitness and watch functions
Step CountYesYes
Calorie CountYesYes
Heart Rate MonitorYesYes
CompassYesYes
CalendarYesYes
Alarm ClockYesYes
Date & Time DisplayYesYes
LanguageEnglishEnglish
Number of Buttons-2
Other Watch Functions-Heart rate, blood oxygen, electrocardiogram (EKG)
ratings
Overall NDTV Rating-Read Review
Design and comfort Rating-
Tracking accuracy Rating-
Software and ecosystem Rating-
Battery life Rating-
platform and storage features
Operating System-One UI Watch 3
Compatible Operating System-Android
RAM-1.5GB
Processor Name-Exynos W920
Internal Memory-16GB
audio and video features
Speaker-Yes

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