Fitbit Flex vs. Microsoft Band vs. Xiaomi Mi Band 3 vs. Garmin Forerunner 45 vs. Garmin VivoActive 4

 
Flex
Band
Mi Band 3
Forerunner 45
VivoActive 4
 FitbitFlexRemove Buy NowMicrosoftBandRemove Buy NowXiaomiMi Band 3Remove Buy NowGarminForerunner 45Remove Buy NowGarminVivoActive 4Remove Buy Now

Basic Info

Suggested Price$100$200$44.95$199$349
Release20132014201820192019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days2 days20 days7 days8 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
ResolutionNA320 x 106128 x 80208 x 208260 x 260
SizeNA1.37 inches0.78 inches1.04 inches1.3ionches
TouchNA
TypeLEDCapacitative TFTOLEDLCDMIP

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance1 ATMIP675 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemNANABuilt-inWear OS
Apps
Music

All Wearables