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Samsung Galaxy Watch 4 (40mm) vs Samsung Gear S2 Classic Smartwatch

Samsung Galaxy Watch 4 (40mm) vs Samsung Gear S2 Classic Smartwatch comparison

Show Only Differences Highlight Differences	Samsung Galaxy Watch 4 (40mm)	Samsung Gear S2 Classic Smartwatch
key specs
Strap Colour	Black, Pink Gold, Silver	Black
Display Size	40mm	30mm
Compatible OS	Android	-
Dial Shape	Round	Round
Display Type	AMOLED	Super AMOLED
Ideal For	Unisex	Unisex
Strap Material	-	Leather
general
Brand	Samsung	Samsung
Model	Galaxy Watch 4 (40mm)	Gear S2 Classic Smartwatch
Release date	August 11, 2021	-
Model Name	Galaxy Watch 4	Gear S2 Classic
Dial Shape	Round	Round
Size	Regular	Regular
Touchscreen	Yes	Yes
Interchangeable Strap	Yes	-
Water Resistant	IP68	Yes
Water Resistance Depth	5 ATM	-
Dial Material	Aluminium	Stainless Steel
Ideal For	Unisex	Unisex
Strap Colour	Black, Pink Gold, Silver	Black
Dial Colour	Black, Pink Gold, Silver	Black
Strap Material	-	Leather
Usage	-	Notifier
dimensions
Width	40.4	43.6
Height	39.3	39.9
Thickness	9.8	11.4 mm
Weight (g)	25.90	42.00
product details
Sensor	Samsung BioActive Sensor (Optical Heart Rate + Electrical Heart + Bioelectrical Impedance Analysis), Accelerometer, Barometer, Gyro Sensor, Geomagnetic Sensor, Light Sensor	Accelerometer, Gyro, Heart Rate, Barometer
Compatible Device	Android	Gear S2 Pairs With Samsung Smartphones Running On Android 4.3 Or Above, And At Least 1.5 Gb Of Ram/ Gear S2 Pairs With Non-Samsung Smartphones Running On Android 4.4 Or Above, And At Least 1.5 Gb Of Ram
Notification	Yes	-
Rechargeable Battery	Yes	Yes
Other Features	-	Messages, Ultra Power Saving Mode, S Health, Running, Settings, Schedule, Weather, Alarm, Music Player, Gallery, Buddy, Email, Find My Phone, Voice Memo, Stopwatch, Timer
connectivity features
Bluetooth	Yes	Yes
Bluetooth Version	5.0	v4.1
Wi-Fi	Yes	Yes
GPS	Yes	-
Call Function	-	Yes
Messaging Support	-	Yes
platform and storage features
Operating System	One UI Watch 3	Tizen
Compatible Operating System	Android	-
RAM	1.5GB	512 MB
Processor Name	Exynos W920	Exynos 3250
Internal Memory	16GB	4 GB
camera and display features
Display Resolution	396x396	360 x 360 pixels
Display Size	40mm	30mm
Display Type	AMOLED	Super 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	-
Calendar	Yes	Yes
Alarm Clock	Yes	Yes
Date & Time Display	Yes	Yes
Language	English	-
Number of Buttons	2	-
Other Watch Functions	Heart rate, blood oxygen, SpO2 Sensor	-
Other Fitness Features	-	S Health - 24 Hrs Activity Tracker: Heart Rate Monitor, Exercise Tracker, Caffiene / Water Intake Tracker
audio and video features
Speaker	Yes	-

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