Fitbit Surge vs. Asus ZenWatch vs. Casio WSD-F20A vs. Fitbit Flex vs. Apple Series 6

 
Surge
ZenWatch
WSD-F20A
Flex
Series 6
 FitbitSurgeRemove Buy NowAsusZenWatchRemove Buy NowCasioWSD-F20ARemove Buy NowFitbitFlexRemove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$250$150$399$100$399
Release20162014201820132020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration7 daysNA1 day5 daysNot yet
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNANA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a320 x 320320 x 320NA384 x 480
Size1.26 inches1.63 inches1.32 inchesNA40mm
TouchNA
TypeMonochrome LCDAMOLEDLCDLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water Resistance5 ATMIP555 ATM1 ATM

Notifications

Phone
EmailsNA
TextsNA

Software

Operating Systemn/aAndroid WearWear OSNAWatchOS 5
Apps
Music

All Wearables