ASUS ZenWatch 2 vs. Polar M400 vs. Pebble Core vs. Diesel On Full Guard 2.5 vs. Amazfit T-Rex

 
ZenWatch 2
M400
Core
On Full Guard 2.5
T-Rex
 ASUSZenWatch 2Remove Buy NowPolarM400Remove Buy NowPebbleCoreRemove Buy NowDieselOn Full Guard 2.5Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$150$200$99$325$140
Release20162014201620182019

Activity & Fitness

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

Battery

Durationn/a8 hours to 30 daysNA4 days20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 320n/aNA454x454360 x 360
Size1.63 inches or 1.45 inchn/aNA1.39 inches1.3 inches
TouchNA
TypeAMOLEDn/aNAAMOLED

Functions

Audio SpeakerAlerts only
Clock
PhoneNA
VibrationNA
Voice

Hardware

AccelerometerNA
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP673 ATMNA3 ATM5 ATM

Notifications

PhoneNA
Emailsn/aNA
Textsn/aNA

Software

Operating SystemAndroid Wearn/aNAWear OSBuild-in
Apps
Music

All Wearables