ASUS ZenWatch 2 vs. Fitbit Surge vs. Garmin Forerunner 235 vs. Fitbit Flex vs. Garmin Vivosmart 4

 
ZenWatch 2
Surge
Forerunner 235
Flex
Vivosmart 4
 ASUSZenWatch 2Remove Buy NowFitbitSurgeRemove Buy NowGarminForerunner 235Remove Buy NowFitbitFlexRemove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$150$250$299.99$100$130
Release20162016201720132018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Durationn/a7 days9 days5 days7 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 320n/a215 x 180NA48 x 128
Size1.63 inches or 1.45 inch1.26 inches1.23 inchesNA0.74 inches
TouchNA
TypeAMOLEDMonochrome LCDMIPLEDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP675 ATM5 ATM1 ATM5 ATM

Notifications

Phone
Emailsn/a
Textsn/a

Software

Operating SystemAndroid Wearn/aNA
Apps
Music

All Wearables