Microsoft Band 2 vs. Fitbit Ionic vs. Garmin 645 Music vs. Michael Kors Access Sofie HR vs. Garmin VivoActive 4

 
Band 2
Ionic
645 Music
Access Sofie HR
VivoActive 4
 MicrosoftBand 2Remove Buy NowFitbitIonicRemove Buy NowGarmin645 MusicRemove Buy NowMichael KorsAccess Sofie HRRemove Buy NowGarminVivoActive 4Remove Buy Now

Basic Info

Suggested Price$250$299$450$395$349
Release20152017201820192019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration48 hours (without GPS)4+ days7 days2 days8 days
Rechargeable

Compatibility

Android
iOS
Windows Phone
Macn/a
Windowsn/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 128348x250240 x 240390 x 390260 x 260
Size1.36 inches1.421.2 inches1.19 inches1.3ionches
Touch
TypeCapacitative TFTOLEDMIPOMOLEDMIP

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX750m5 ATM0.3 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aFitbit OSWear OSWear OS
Apps
Music

All Wearables