ASUS ZenWatch 2 vs. Fitbit Ionic vs. Amazfit Pace vs. Apple Watch Series 4 vs. Amazfit T-Rex

 
ZenWatch 2
Ionic
Pace
Watch Series 4
T-Rex
 ASUSZenWatch 2Remove Buy NowFitbitIonicRemove Buy NowAmazfitPaceRemove Buy NowAppleWatch Series 4Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$150$299$130$329$140
Release20162017201720182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Durationn/a4+ days5 daysNot Yet20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 320348x250320 x 300384 x 480360 x 360
Size1.63 inches or 1.45 inch1.421.34 inches1.78 inches1.3 inches
Touch
TypeAMOLEDOLEDTFT LCDMicroLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP6750mIP67Not Yet5 ATM

Notifications

Phone
Emailsn/a
Textsn/a

Software

Operating SystemAndroid WearFitbit OSProprietaryWatch OS 5Build-in
Apps
Music

All Wearables