Microsoft Band 2 vs. Casio WSD-F20A vs. Fitbit Alta HR vs. Fitbit Charge vs. Michael Kors Access Sofie HR

 
Band 2
WSD-F20A
Alta HR
Charge
Access Sofie HR
 MicrosoftBand 2Remove Buy NowCasioWSD-F20ARemove Buy NowFitbitAlta HRRemove Buy NowFitbitChargeRemove Buy NowMichael KorsAccess Sofie HRRemove Buy Now

Basic Info

Suggested Price$250$399$150$130$395
Release20152018201720142019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration48 hours (without GPS)1 day7 days7-10 days2 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Macn/a
Windowsn/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 128320 x 320128 x 36NA390 x 390
Size1.36 inches1.32 inches1.4 inchesNA1.19 inches
TouchNA
TypeCapacitative TFTLCDOLEDOLEDOMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX75 ATM1 ATM0.3 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWear OSNAWear OS
Apps
Music

All Wearables