ASUS ZenWatch 2 vs. Fitbit Surge vs. Fitbit Flex vs. Garmin Vivosmart 4 vs. HTC re Grip

 
ZenWatch 2
Surge
Flex
Vivosmart 4
re Grip
 ASUSZenWatch 2Remove Buy NowFitbitSurgeRemove Buy NowFitbitFlexRemove Buy NowGarminVivosmart 4Remove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$150$250$100$130$199
Release20162016201320182020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Durationn/a7 days5 days7 days5 hours to 2.5 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 320n/aNA48 x 128160 x 32
Size1.63 inches or 1.45 inch1.26 inchesNA0.74 inches1.8 inches
TouchNA
TypeAMOLEDMonochrome LCDLEDOLEDPMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP675 ATM1 ATM5 ATMIP57

Notifications

Phone
Emailsn/a
Textsn/a

Software

Operating SystemAndroid Wearn/aNANA
Apps
Music

All Wearables