ASUS ZenWatch 2 vs. Fitbit Alta vs. Garmin Forerunner 45 vs. Amazfit GTR vs. HTC re Grip

 
ZenWatch 2
Alta
Forerunner 45
GTR
re Grip
 ASUSZenWatch 2Remove Buy NowFitbitAltaRemove Buy NowGarminForerunner 45Remove Buy NowAmazfitGTRRemove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$150$130$199$199$199
Release20162016201920192020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Durationn/a5 days7 days24 days5 hours to 2.5 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 320n/a208 x 208454 x 454160 x 32
Size1.63 inches or 1.45 inchn/a1.04 inches1.39 inches1.8 inches
Touchn/a
TypeAMOLEDOLEDLCDAMOLEDPMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP67n/a5 ATM5 ATMIP57

Notifications

Phone
Emailsn/an/a
Textsn/a

Software

Operating SystemAndroid Wearn/aBuilt-inBuild-inNA
Apps
Music

All Wearables