ASUS ZenWatch 2 vs. Polar M400 vs. Polar M600 vs. Fitbit Alta HR vs. Apple Watch 7

 
ZenWatch 2
M400
M600
Alta HR
Watch 7
 ASUSZenWatch 2Remove Buy NowPolarM400Remove Buy NowPolarM600Remove Buy NowFitbitAlta HRRemove Buy NowAppleWatch 7Remove Buy Now

Basic Info

Suggested Price$150$200$330$150$429
Release20162014201620172021

Activity & Fitness

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

Battery

Durationn/a8 hours to 30 days2 days7 days18 Hours
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 320n/a240 x 240128 x 36396 x 484
Size1.63 inches or 1.45 inchn/a1.3 inches1.4 inches1.9 inches
Touchn/a
TypeAMOLEDn/aTFTOLEDMicroLED

Functions

Audio SpeakerAlerts onlyAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP673 ATMIPX8water resistant but not waterproof

Notifications

Phone
Emailsn/a
Textsn/a

Software

Operating SystemAndroid Wearn/aAndroid WearWatchOS 8
Apps
Music

All Wearables