ASUS ZenWatch 2 vs. Amazfit Stratos vs. Fitbit Alta HR vs. Apple Watch Series 4 vs. Garmin Vivosmart 4

 
ZenWatch 2
Stratos
Alta HR
Watch Series 4
Vivosmart 4
 ASUSZenWatch 2Remove Buy NowAmazfitStratosRemove Buy NowFitbitAlta HRRemove Buy NowAppleWatch Series 4Remove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$150$199$150$329$130
Release20162018201720182018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Durationn/a5 days7 daysNot Yet7 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 320320 x 300128 x 36384 x 48048 x 128
Size1.63 inches or 1.45 inch1.34 inches1.4 inches1.78 inches0.74 inches
Touch
TypeAMOLEDOLEDOLEDMicroLEDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP675 ATMNot Yet5 ATM

Notifications

Phone
Emailsn/a
Textsn/a

Software

Operating SystemAndroid WearProprietaryWatch OS 5
Apps
Music

All Wearables