Sony SmartBand 2 vs. Asus ZenWatch vs. Casio WSD-F20A vs. Fitbit Charge vs. Amazfit GTR

 
SmartBand 2
ZenWatch
WSD-F20A
Charge
GTR
 SonySmartBand 2Remove Buy NowAsusZenWatchRemove Buy NowCasioWSD-F20ARemove Buy NowFitbitChargeRemove Buy NowAmazfitGTRRemove Buy Now

Basic Info

Suggested Price$130$150$399$130$199
Release20152014201820142019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 daysNA1 day7-10 days24 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a320 x 320320 x 320NA454 x 454
Sizen/a1.63 inches1.32 inchesNA1.39 inches
Touchn/aNA
Typen/aAMOLEDLCDOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP58IP555 ATM1 ATM5 ATM

Notifications

Phone
EmailsNA
TextsNA

Software

Operating Systemn/aAndroid WearWear OSNABuild-in
Apps
Music

All Wearables