Sony SmartWatch 3 vs. Asus ZenWatch vs. Fitbit Charge HR vs. Apple Watch Series 4 vs. Amazfit T-Rex

 
SmartWatch 3
ZenWatch
Charge HR
Watch Series 4
T-Rex
 SonySmartWatch 3Remove Buy NowAsusZenWatchRemove Buy NowFitbitCharge HRRemove Buy NowAppleWatch Series 4Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$250$150$150$329$140
Release20142014201520182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 daysNA5 daysNot Yet20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 320320 x 320NA384 x 480360 x 360
Size1.6 inches1.63 inchesNA1.78 inches1.3 inches
TouchNA
TypeTFT LCDAMOLEDOLEDMicroLEDAMOLED

Functions

Audio SpeakerBluetooth
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP68IP551 ATMNot Yet5 ATM

Notifications

Phone
EmailsNA
TextsNA

Software

Operating SystemAndroid WearAndroid WearNAWatch OS 5Build-in
Apps
Music

All Wearables