Fitbit Charge 4 vs Fitbit Charge 3 Smart Band comparison

Show Only Differences Highlight Differences	Fitbit Charge 4	Fitbit Charge 3 Smart Band
key specs
Water Resistant	Yes	Yes
Heart Rate Monitor	Yes	Yes
Compatible Devices	iOS and Android	Android phones, iPhone
Battery Life (Days)	7	7
Display Type	-	OLED
general
Brand	Fitbit	Fitbit
Model	Charge 4	Charge 3 Smart Band
Release date	March 31, 2020	-
Reading Type	Digital	Digital
Ideal For	Unisex	Unisex
Suitable For	Sports, Fitness	Fitness
Water Resistant	Yes	Yes
Model Number	-	FB409GMBK
Model Name	-	Charge 3
Color	-	Black
Touch Enabled	-	Yes
Dial Shape	-	Rectangle
display and battery features
Battery Life (Days)	7	7
Battery Type	Lithium Polymer (Li-poly)	Lithium Polymer (Li-poly)
Display Type	-	OLED
Backlight Present	-	No
Charge Time (hours)	-	2
performance features
Water-Resistant Depth (metres)	50	50
Shock Resistant	-	No
Operating Temperature (Celsius)	-	-10° to 45°
connectivity features
Bluetooth Enabled	Yes	Yes
Bluetooth Version	v4	v4
compatibility
Compatible Devices	iOS and Android	Android phones, iPhone
Compatible Android Version	-	Android 5.0 and above
Compatible iOS Version	-	iOS 10 and above
activity tracking function
Heart Rate Monitor	Yes	Yes
Step Counter	Yes	Yes
Alarms	-	Yes
Distance Covered	-	Yes
Do Not Disturb Mode	-	Yes
Floors Climbed	-	Yes
Phone Notifications	-	Yes
Reminders	-	Yes
Sedentary Reminder	-	Yes
Sleep Tracking	-	Yes
SPO2 Monitor	-	Yes
sensors
Accelerometer	Yes	Yes
Barometric Altimeter	Yes	-
Optical Heart Rate Sensor	Yes	Yes
Vibration Motor	Yes	Yes
Pedometer	-	Yes
dimensions
Width (mm)	22.7	-
Height (mm)	35.8	-
Depth (mm)	12.5	-
workout modes
Exercise	-	Yes
Outdoor Running	-	Yes
Cycling	-	Yes
Walking	-	Yes
Swimming	-	Yes

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