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

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

Show Only Differences Highlight Differences	Samsung Galaxy Watch 4 (40mm)	Samsung Gear S2 Smartwatch
key specs
Strap Colour	Black, Pink Gold, Silver	Silver
Display Size	40mm	30mm
Compatible OS	Android	-
Dial Shape	Round	Round
Display Type	AMOLED	Super AMOLED
Ideal For	Unisex	Unisex
Strap Material	-	Stainless Steel
general
Brand	Samsung	Samsung
Model	Galaxy Watch 4 (40mm)	Gear S2 Smartwatch
Release date	August 11, 2021	-
Model Name	Galaxy Watch 4	Gear S2
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	Silver
Dial Colour	Black, Pink Gold, Silver	Silver
Model Number	-	SM-R7200ZWAINU
Strap Material	-	Stainless Steel
Usage	-	Notifier
dimensions
Width	40.4	42.3
Height	39.3	49.8
Thickness	9.8	11.4 mm
Weight (g)	25.90	47.00
product details
Sensor	Samsung BioActive Sensor (Optical Heart Rate + Electrical Heart + Bioelectrical Impedance Analysis), Accelerometer, Barometer, Gyro Sensor, Geomagnetic Sensor, Light Sensor	Acc,Gyro,Hrm,Barometer, Ambient Light,Gps (3G Only)
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
Battery Life	-	3 - 4 Days
Other Features	-	Wi-Fi Version: 802.11 B/G/N, Bluetooth Profiles: A2Dp, Avrcp, Battery Capacity: 250 Mah, Ultra Power Saving Mode, S Health, Settings, Music Player, Gallery, Buddy
connectivity features
Bluetooth	Yes	Yes
Bluetooth Version	5.0	v4.1
Wi-Fi	Yes	Yes
GPS	Yes	-
Call Function	-	Yes
Messaging Support	-	Yes
Email Support	-	Yes
Other Connectivity Features	-	Supports NFC
platform and storage features
Operating System	One UI Watch 3	-
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	-
Calorie Count	Yes	-
Heart Rate Monitor	Yes	-
Compass	Yes	-
Calendar	Yes	-
Alarm Clock	Yes	-
Date & Time Display	Yes	-
Language	English	-
Number of Buttons	2	-
Other Watch Functions	Heart rate, blood oxygen, SpO2 Sensor	Messages, Schedule, Weather, Find My Phone, Voice Memo, Stopwatch, Timer
Other Fitness Features	-	S Health - 24 Hrs Activity Tracker: Heart Rate Monitor, Exercise Tracker, Caffiene / Water Intake Tracker
audio and video features
Speaker	Yes	-