ASUS ZenWatch 2 vs. Garmin Forerunner 735XT vs. Fitbit Alta HR vs. Garmin Vivosmart 4 vs. HTC re Grip

 
ZenWatch 2
Forerunner 735XT
Alta HR
Vivosmart 4
re Grip
 ASUSZenWatch 2Remove Buy NowGarminForerunner 735XTRemove Buy NowFitbitAlta HRRemove Buy NowGarminVivosmart 4Remove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$150$450$150$130$199
Release20162016201720182020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Durationn/a14 hours to 11 days7 days7 days5 hours to 2.5 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 320215 x 180128 x 3648 x 128160 x 32
Size1.63 inches or 1.45 inch1.23 inches1.4 inches0.74 inches1.8 inches
Touchn/a
TypeAMOLEDn/aOLEDOLEDPMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP675 ATM5 ATMIP57

Notifications

Phone
Emailsn/a
Textsn/a

Software

Operating SystemAndroid Wearn/aNA
Apps
Music

All Wearables