ASUS ZenWatch 2 vs. Fitbit Charge HR vs. Garmin Forerunner 45 vs. Garmin Vivosmart 4 vs. HTC re Grip

 
ZenWatch 2
Charge HR
Forerunner 45
Vivosmart 4
re Grip
 ASUSZenWatch 2Remove Buy NowFitbitCharge HRRemove Buy NowGarminForerunner 45Remove Buy NowGarminVivosmart 4Remove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$150$150$199$130$199
Release20162015201920182020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Durationn/a5 days7 days7 days5 hours to 2.5 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 320NA208 x 20848 x 128160 x 32
Size1.63 inches or 1.45 inchNA1.04 inches0.74 inches1.8 inches
TouchNA
TypeAMOLEDOLEDLCDOLEDPMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP671 ATM5 ATM5 ATMIP57

Notifications

Phone
Emailsn/a
Textsn/a

Software

Operating SystemAndroid WearNABuilt-inNA
Apps
Music

All Wearables