ASUS ZenWatch 2 vs. Sony SmartBand 2 vs. Fitbit Ionic vs. Apple Watch Series 4 vs. Amazfit GTR

 
ZenWatch 2
SmartBand 2
Ionic
Watch Series 4
GTR
 ASUSZenWatch 2Remove Buy NowSonySmartBand 2Remove Buy NowFitbitIonicRemove Buy NowAppleWatch Series 4Remove Buy NowAmazfitGTRRemove Buy Now

Basic Info

Suggested Price$150$130$299$329$199
Release20162015201720182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Durationn/a2 days4+ daysNot Yet24 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolution320 x 320n/a348x250384 x 480454 x 454
Size1.63 inches or 1.45 inchn/a1.421.78 inches1.39 inches
Touchn/a
TypeAMOLEDn/aOLEDMicroLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP67IP5850mNot Yet5 ATM

Notifications

Phone
Emailsn/a
Textsn/a

Software

Operating SystemAndroid Wearn/aFitbit OSWatch OS 5Build-in
Apps
Music

All Wearables