Microsoft Band 2 vs. Amazfit Stratos vs. Casio WSD-F20A vs. Fitbit Flex vs. Garmin Vivofit 4

 
Band 2
Stratos
WSD-F20A
Flex
Vivofit 4
 MicrosoftBand 2Remove Buy NowAmazfitStratosRemove Buy NowCasioWSD-F20ARemove Buy NowFitbitFlexRemove Buy NowGarminVivofit 4Remove Buy Now

Basic Info

Suggested Price$250$199$399$100$79.95
Release20152018201820132018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration48 hours (without GPS)5 days1 day5 days1 year
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Macn/a
Windowsn/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 128320 x 300320 x 320NA88 x 88
Size1.36 inches1.34 inches1.32 inchesNANA
TouchNA
TypeCapacitative TFTOLEDLCDLEDNA

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX75 ATM5 ATM1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aProprietaryWear OSNA
Apps
Music

All Wearables