ASUS ZenWatch 2 vs. Polar M400 vs. Withings Steel HR vs. Polar Loop 2 vs. ASUS ZenWatch 3

 
ZenWatch 2
M400
Steel HR
Loop 2
ZenWatch 3
 ASUSZenWatch 2Remove Buy NowPolarM400Remove Buy NowWithingsSteel HRRemove Buy NowPolarLoop 2Remove Buy NowASUSZenWatch 3Remove Buy Now

Basic Info

Suggested Price$150$200$180$120$229
Release20162014201620152017

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heartn/an/a
Oxygen
Sleep
Steps
Swim

Battery

Durationn/a8 hours to 30 days25 days8 days (without notifications)48 hours
Rechargeable

Compatibility

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

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 320n/an/an/a400 x 400
Size1.63 inches or 1.45 inchn/an/an/a1.39 inches
Touch
TypeAMOLEDn/an/aLEDAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP673 ATM5 ATM2 ATM

Notifications

Phone
Emailsn/a
Textsn/a

Software

Operating SystemAndroid Wearn/an/an/aAndroid Wear 2
Apps
Music

All Wearables