ASUS ZenWatch 2 vs. Polar M400 vs. Garmin Forerunner 935 vs. Samsung Gear 2 vs. Fitbit Alta HR

 
ZenWatch 2
M400
Forerunner 935
Gear 2
Alta HR
 ASUSZenWatch 2Remove Buy NowPolarM400Remove Buy NowGarminForerunner 935Remove Buy NowSamsungGear 2Remove Buy NowFitbitAlta HRRemove Buy Now

Basic Info

Suggested Price$150$200$500$300$150
Release20162014201720142017

Activity & Fitness

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

Battery

Durationn/a8 hours to 30 daysUp to 2 weeks2-3 days7 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 320n/a240 x 240320 x 320128 x 36
Size1.63 inches or 1.45 inchn/a1.2 inches1.63 inches1.4 inches
Touch
TypeAMOLEDn/aLCDSuper AMOLEDOLED

Functions

Audio SpeakerAlerts onlyBluetooth
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP673 ATM5 ATMIP67

Notifications

Phone
Emailsn/a
Textsn/a

Software

Operating SystemAndroid Wearn/aTizen OS
Apps
Music

All Wearables