ASUS ZenWatch 2 vs. Fitbit Alta vs. Garmin Chronos vs. Fitbit Charge HR vs. HTC re Grip

 
ZenWatch 2
Alta
Chronos
Charge HR
re Grip
 ASUSZenWatch 2Remove Buy NowFitbitAltaRemove Buy NowGarminChronosRemove Buy NowFitbitCharge HRRemove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$150$130$1500$150$199
Release20162016201820152020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Durationn/a5 days8 days5 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 320n/a218 x 218NA160 x 32
Size1.63 inches or 1.45 inchn/a1.2 inchesNA1.8 inches
Touchn/aNA
TypeAMOLEDOLEDMIPOLEDPMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP67n/a10 ATM1 ATMIP57

Notifications

Phone
Emailsn/an/a
Textsn/a

Software

Operating SystemAndroid Wearn/aWear OSNANA
Apps
Music

All Wearables