Samsung Galaxy Watch 4 (44mm) vs Amazfit GTR 42mm comparison

Show Only Differences Highlight Differences	Samsung Galaxy Watch 4 (44mm)	Amazfit GTR 42mm
key specs
Strap Colour	Black, Green, Silver	Black, Pink, White
Display Size	44mm	42mm
Compatible OS	Android	Android and iOS
Dial Shape	Round	Round
Display Type	AMOLED	-
Ideal For	Unisex	-
Strap Material	-	Silicone
general
Brand	Samsung	Amazfit
Model	Galaxy Watch 4 (44mm)	GTR 42mm
Release date	August 11, 2021	July 16, 2019
Model Name	Galaxy Watch 4	-
Dial Shape	Round	Round
Size	Large	-
Touchscreen	Yes	Yes
Interchangeable Strap	Yes	-
Water Resistant	Yes	5ATM
Water Resistance Depth	5 ATM	-
Dial Material	Aluminium	-
Ideal For	Unisex	-
Strap Colour	Black, Green, Silver	Black, Pink, White
Dial Colour	Black, Green, Silver	Black
Strap Material	-	Silicone
dimensions
Width	44.4	42.6
Height	43.3	42.6
Thickness	9.8	9.2
Weight (g)	30.30	25.50
product details
Sensor	Samsung BioActive Sensor (Optical Heart Rate + Electrical Heart + Bioelectrical Impedance Analysis), Accelerometer, Barometer, Gyro Sensor, Geomagnetic Sensor, Light Sensor	BioTracker TM PPG Bio-Tracking Optical Sensor, 6-Axis Accelerometer, 3 Axial Geomagnetic Sensor, Air Pressure Sensor, Capacitive Sensor, Ambient Light Brightness Sensor
Compatible Device	Android	Android, iPhones
Notification	Yes	Yes
Rechargeable Battery	Yes	Yes
Closure	-	Strap Buckle
Battery Type	-	Lithium Polymer
Battery Life	-	Up to 34 days
connectivity features
Bluetooth	Yes	5
Bluetooth Version	5.0	-
Wi-Fi	Yes	-
GPS	Yes	Yes
Other Connectivity Features	NFC,GPS,Glonass	-
platform and storage features
Operating System	One UI Watch 3	-
Compatible Operating System	Android	Android and iOS
Number of Cores	dual-core	-
RAM	1.5GB	-
Processor Name	Exynos W920	-
Processor Speed	1.18GHz	-
Internal Memory	16GB	-
camera and display features
Display Resolution	450x450	320x320 pixels
Display Size	44mm	42mm
Display Type	AMOLED	-
Scratch Resistant	Yes, Gorilla Glass DX	-
fitness and watch functions
Step Count	Yes	Yes
Calorie Count	Yes	Yes
Heart Rate Monitor	Yes	Yes
Compass	Yes	Yes
Calendar	Yes	-
Alarm Clock	Yes	Yes
Date & Time Display	Yes	Yes
Language	English	English
Number of Buttons	2	-
Other Watch Functions	Heart rate, blood oxygen, SpO2	Weather, Music, Event Reminder, Looking for a mobile phone, Stopwatch, Countdown
audio and video features
Speaker	Yes	-

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