Fitbit Surge vs. Fitbit Zip vs. Asus ZenWatch vs. Casio WSD-F20A vs. Amazfit T-Rex

 
Surge
Zip
ZenWatch
WSD-F20A
T-Rex
 FitbitSurgeRemove Buy NowFitbitZipRemove Buy NowAsusZenWatchRemove Buy NowCasioWSD-F20ARemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$250$60$150$399$140
Release20162012201420182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration7 days6 monthsNA1 day20 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a320 x 320320 x 320360 x 360
Size1.26 inchesn/a1.63 inches1.32 inches1.3 inches
Touch
TypeMonochrome LCDn/aAMOLEDLCDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMSplash ResistantIP555 ATM5 ATM

Notifications

Phone
EmailsNA
TextsNA

Software

Operating Systemn/an/aAndroid WearWear OSBuild-in
Apps
Music

All Wearables