Samsung Galaxy Watch 4 (40mm) vs Fitbit Sense comparison

Show Only Differences Highlight Differences	Samsung Galaxy Watch 4 (40mm)	Fitbit Sense
key specs
Strap Colour	Black, Pink Gold, Silver	Carbon, Lunar White
Display Size	40mm	-
Compatible OS	Android	Android, iOS
Dial Shape	Round	Square
Display Type	AMOLED	AMOLED
Ideal For	Unisex	Unisex
general
Brand	Samsung	Fitbit
Model	Galaxy Watch 4 (40mm)	Sense
Release date	August 11, 2021	August 25, 2020
Model Name	Galaxy Watch 4	Sense
Dial Shape	Round	Square
Size	Regular	Regular
Touchscreen	Yes	Yes
Interchangeable Strap	Yes	-
Water Resistant	IP68	Yes
Water Resistance Depth	5 ATM	50 meters
Dial Material	Aluminium	-
Ideal For	Unisex	Unisex
Strap Colour	Black, Pink Gold, Silver	Carbon, Lunar White
Dial Colour	Black, Pink Gold, Silver	-
dimensions
Width	40.4	-
Height	39.3	-
Thickness	9.8	-
Weight (g)	25.90	-
product details
Sensor	Samsung BioActive Sensor (Optical Heart Rate + Electrical Heart + Bioelectrical Impedance Analysis), Accelerometer, Barometer, Gyro Sensor, Geomagnetic Sensor, Light Sensor	Multi-path optical heart rate sensor, Multipurpose electrical sensors compatible with EDA Scan app, Gyroscope, Altimeter, 3-axis accelerometer, Skin temperature sensor, Ambient light sensor
Compatible Device	Android	Mac OS X 12.2 and up, iPhone 5S and later, iPad 5 gen. and later, Android 7.0 and later
Notification	Yes	-
Rechargeable Battery	Yes	-
Battery Type	-	Lithium-polymer
Battery Life	-	Around 6 days
connectivity features
Bluetooth	Yes	Yes
Bluetooth Version	5.0	5
Wi-Fi	Yes	Yes
GPS	Yes	Yes
Call Function	-	Yes
Other Connectivity Features	-	NFC
platform and storage features
Operating System	One UI Watch 3	-
Compatible Operating System	Android	Android, iOS
RAM	1.5GB	-
Processor Name	Exynos W920	-
Internal Memory	16GB	-
camera and display features
Display Resolution	396x396	-
Display Size	40mm	-
Display Type	AMOLED	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	English
Number of Buttons	2	-
Other Watch Functions	Heart rate, blood oxygen, SpO2 Sensor	-
Altimeter	-	Yes
audio and video features
Speaker	Yes	Yes
Microphone	-	Yes

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