ASUS ZenWatch 2 vs. Fitbit Ionic vs. Casio G-Shock GBA800 vs. Amazfit T-Rex vs. Fossil Gen 5 Smartwatch Carlyle

 
ZenWatch 2
Ionic
G-Shock GBA800
T-Rex
Gen 5 Smartwatch Carlyle
 ASUSZenWatch 2Remove Buy NowFitbitIonicRemove Buy NowCasioG-Shock GBA800Remove Buy NowAmazfitT-RexRemove Buy NowFossilGen 5 Smartwatch CarlyleRemove Buy Now

Basic Info

Suggested Price$150$299$120$140$295
Release20162017201820192019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Durationn/a4+ days2 years20 days1 day
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 320348x250360 x 360328 x 328
Size1.63 inches or 1.45 inch1.421.3 inches1.3 inches
Touch
TypeAMOLEDOLEDAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP6750m20 ATM5 ATM3 ATM

Notifications

Phone
Emailsn/a
Textsn/a

Software

Operating SystemAndroid WearFitbit OSBuild-inWear OS
Apps
Music

All Wearables