ASUS ZenWatch 2 vs. ASUS ZenWatch 3 vs. Fitbit Ionic vs. Amazfit Stratos vs. Garmin Vivosmart 4

 
ZenWatch 2
ZenWatch 3
Ionic
Stratos
Vivosmart 4
 ASUSZenWatch 2Remove Buy NowASUSZenWatch 3Remove Buy NowFitbitIonicRemove Buy NowAmazfitStratosRemove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$150$229$299$199$130
Release20162017201720182018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Durationn/a48 hours4+ days5 days7 days
Rechargeable

Compatibility

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

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 320400 x 400348x250320 x 30048 x 128
Size1.63 inches or 1.45 inch1.39 inches1.421.34 inches0.74 inches
Touch
TypeAMOLEDAMOLEDOLEDOLEDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP6750m5 ATM5 ATM

Notifications

Phone
Emailsn/a
Textsn/a

Software

Operating SystemAndroid WearAndroid Wear 2Fitbit OSProprietary
Apps
Music

All Wearables