Fitbit Alta vs. Fitbit Flex 2 vs. Sony SmartBand Talk vs. Asus VivoWatch vs. Casio WSD-F20A

 
Alta
Flex 2
SmartBand Talk
VivoWatch
WSD-F20A
 FitbitAltaRemove Buy NowFitbitFlex 2Remove Buy NowSonySmartBand TalkRemove Buy NowAsusVivoWatchRemove Buy NowCasioWSD-F20ARemove Buy Now

Basic Info

Suggested Price$130$100$170$160$399
Release20162016201420182018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 days3 days24 hours to 10 days1 day
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/aNA
Macn/aNA
Windowsn/aNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/a296 x 128128 x 128320 x 320
Sizen/an/a1.4 inchesNA1.32 inches
Touchn/an/a
TypeOLEDLEDE InkNALCD

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or AltimeterNA
Ultraviolet Sensor
Water Resistancen/a5 ATMIP68IP675 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/an/aAndroid WearKoodOSWear OS
Apps
Music

All Wearables