ASUS ZenWatch 2 vs. Pebble Classic vs. Polar M400 vs. Fitbit Alta vs. Garmin Forerunner 45

 
ZenWatch 2
Classic
M400
Alta
Forerunner 45
 ASUSZenWatch 2Remove Buy NowPebbleClassicRemove Buy NowPolarM400Remove Buy NowFitbitAltaRemove Buy NowGarminForerunner 45Remove Buy Now

Basic Info

Suggested Price$150$99$200$130$199
Release20162013201420162019

Activity & Fitness

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

Battery

Durationn/a5-7 days8 hours to 30 days5 days7 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 320168 x 144n/an/a208 x 208
Size1.63 inches or 1.45 inch1.26 inchesn/an/a1.04 inches
Touchn/a
TypeAMOLEDe-papern/aOLEDLCD

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP675 ATM3 ATMn/a5 ATM

Notifications

Phone
Emailsn/an/a
Textsn/a

Software

Operating SystemAndroid WearPebble OSn/an/aBuilt-in
Apps
Music

All Wearables