Microsoft Band 2 vs. Garmin 645 Music vs. Fitbit Flex vs. Jaybird Reign vs. Garmin VivoActive 4

 
Band 2
645 Music
Flex
Reign
VivoActive 4
 MicrosoftBand 2Remove Buy NowGarmin645 MusicRemove Buy NowFitbitFlexRemove Buy NowJaybirdReignRemove Buy NowGarminVivoActive 4Remove Buy Now

Basic Info

Suggested Price$250$450$100$150$349
Release20152018201320152019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration48 hours (without GPS)7 days5 days5 days8 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNANA
Macn/aNA
Windowsn/aNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 128240 x 240NANA260 x 260
Size1.36 inches1.2 inchesNANA1.3ionches
TouchNANA
TypeCapacitative TFTMIPLEDLEDMIP

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX75 ATM1 ATMNA5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aNANAWear OS
Apps
Music

All Wearables