Fitbit Ace 3 vs Mi Smart Band 3i comparison

Show Only Differences Highlight Differences	Fitbit Ace 3	Mi Smart Band 3i
key specs
Water Resistant	Yes	Yes
Compatible Devices	Android, iOS	Android phones, iPhone
Battery Life (Days)	8	20
Display Type	-	AMOLED
Heart Rate Monitor	-	No
general
Brand	Fitbit	Mi
Model	Ace 3	Smart Band 3i
Release date	March 9, 2021	November 1, 2019
Color	Black/ Sport Red, Cosmic Blue/ Astro Green	Black
Ideal For	Kids (Age 6+)	Unisex
Material	Silicone	Thermoplastic
Suitable For	Health, Lifestyle	Sports, Fitness
Touch Enabled	Yes	Yes
Water Resistant	Yes	Yes
Model Name	-	Band 3i
Reading Type	-	Digital
Function	-	Show Time/Date, Alarm Clock, Display / Reject Calls, View Messages, Idle Alert, Phone Unlock, Event Reminders, Phone Locator, Weather Forecast, App Notifications,
Dial Shape	-	Oval
display and battery features
Battery Life (Days)	8	20
Battery Type	Lithium Polymer (Li-poly)	Lithium Ion (Li-ion)
Charge Time (hours)	2	2.5
Display Resolution	-	128 x 80 Pixels
Display Type	-	AMOLED
Backlight Present	-	Yes
Battery Capacity (mAh)	-	110
performance features
Shock Resistant	Yes	-
Water-Resistant Depth (metres)	50	-
connectivity features
Bluetooth Enabled	Yes	Yes
Bluetooth Version	v4.2	v4.2
Wi-Fi Enabled	-	No
compatibility
Compatible Devices	Android, iOS	Android phones, iPhone
Compatible Android Version	-	Android 4.4 and above
Compatible iOS Version	-	iOS 9.0 and above
activity tracking function
Alarms	Yes	Yes
Do Not Disturb Mode	Yes	Yes
Reminders	Yes	Yes
Sedentary Reminder	Yes	Yes
Sleep Tracking	Yes	Yes
Step Counter	Yes	Yes
Calories Burned	-	Yes
Distance Covered	-	Yes
Heart Rate Monitor	-	No
Phone Notifications	-	Yes
workout modes
Swimming	Yes	-
Treadmill	-	Yes
Exercise	-	Yes
Outdoor Running	-	Yes
Cycling	-	Yes
Walking	-	Yes
sensors
Accelerometer	Yes	Yes
Pedometer	Yes	Yes
Vibration Motor	Yes	-
dimensions
Width (mm)	37.39	-
Height (mm)	16.8	-
Depth (mm)	12.9	-

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