ASUS ZenWatch 2 vs. Fitbit Surge vs. Apple Watch Series 2 vs. Casio WSD-F20A vs. Amazfit T-Rex

 
ZenWatch 2
Surge
Watch Series 2
WSD-F20A
T-Rex
 ASUSZenWatch 2Remove Buy NowFitbitSurgeRemove Buy NowAppleWatch Series 2Remove Buy NowCasioWSD-F20ARemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$150$250$269$399$140
Release20162016201620182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Durationn/a7 days18 hours1 day20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 320n/a340 x 272 or 390 x 312320 x 320360 x 360
Size1.63 inches or 1.45 inch1.26 inches1.5 inches or 1.65 inches1.32 inches1.3 inches
Touch
TypeAMOLEDMonochrome LCDAMOLEDLCDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP675 ATM5ATM5 ATM5 ATM

Notifications

Phone
Emailsn/a
Textsn/a

Software

Operating SystemAndroid Wearn/aWatch OSWear OSBuild-in
Apps
Music

All Wearables