CMF Watch 3 Pro vs Fitbit Sense comparison

Show Only Differences Highlight Differences	CMF Watch 3 Pro	Fitbit Sense
key specs
Strap Material	Silicone	-
Dial Shape	Round	Square
Display Type	AMOLED	AMOLED
Ideal For	Unisex	Unisex
Strap Colour	-	Carbon, Lunar White
Compatible OS	-	Android, iOS
general
Brand	CMF by Nothing	Fitbit
Model	CMF Watch 3 Pro	Sense
Release date	July 22, 2025	August 25, 2020
Model Name	CMF Watch 3 Pro	Sense
Dial Shape	Round	Square
Strap Material	Silicone	-
Size	Regular	Regular
Water Resistant	IP68	Yes
Usage	Regular	-
Ideal For	Unisex	Unisex
Touchscreen	-	Yes
Water Resistance Depth	-	50 meters
Strap Colour	-	Carbon, Lunar White
dimensions
Height	258	-
Thickness	14.4	-
Diameter	47	-
Weight (g)	51.90	-
product details
Sensor	Accelerometer, gyroscope, ambient light, heart rate, blood oxygen 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
Battery Type	350mAh	Lithium-polymer
Battery Life	13 days	Around 6 days
Other Features	stress, meanstrual health tracking	-
Compatible Device	-	Mac OS X 12.2 and up, iPhone 5S and later, iPad 5 gen. and later, Android 7.0 and later
connectivity features
Call Function	Yes	Yes
Bluetooth	Yes	Yes
Bluetooth Version	5.3	5
GPS	Yes	Yes
Wi-Fi	-	Yes
Other Connectivity Features	-	NFC
camera and display features
Display Resolution	466 x 466	-
Display Type	AMOLED	AMOLED
Other Display Features	Always-On Display, 650 nits brightness	-
fitness and watch functions
Step Count	Yes	Yes
Heart Rate Monitor	Yes	Yes
Compass	Yes	-
Calendar	Yes	Yes
Date & Time Display	Yes	Yes
Calorie Count	-	Yes
Altimeter	-	Yes
Alarm Clock	-	Yes
Language	-	English
audio and video features
Speaker	Yes	Yes
Microphone	Yes	Yes
platform and storage features
Compatible Operating System	-	Android, iOS

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