ASUS ZenWatch 2 vs. Withings Activite Sapphire vs. ASUS ZenWatch 3 vs. Garmin 645 Music vs. Polar Loop

 
ZenWatch 2
Activite Sapphire
ZenWatch 3
645 Music
Loop
 ASUSZenWatch 2Remove Buy NowWithingsActivite SapphireRemove Buy NowASUSZenWatch 3Remove Buy NowGarmin645 MusicRemove Buy NowPolarLoopRemove Buy Now

Basic Info

Suggested Price$150$450$229$450$100
Release20162014201720182013

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Durationn/a8 months48 hours7 days5 days
Rechargeable

Compatibility

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

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 320n/a400 x 400240 x 240NA
Size1.63 inches or 1.45 inch1.3 inches1.39 inches1.2 inchesNA
Touch
TypeAMOLEDAnalogAMOLEDMIPLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP675 ATM5 ATM2 ATM

Notifications

Phone
Emailsn/a
Textsn/a

Software

Operating SystemAndroid Wearn/aAndroid Wear 2NA
Apps
Music

All Wearables