Fitbit Surge vs. Polar M400 vs. Asus ZenWatch vs. Garmin Chronos vs. Amazfit T-Rex

 
Surge
M400
ZenWatch
Chronos
T-Rex
 FitbitSurgeRemove Buy NowPolarM400Remove Buy NowAsusZenWatchRemove Buy NowGarminChronosRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$250$200$150$1500$140
Release20162014201420182019

Activity & Fitness

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

Battery

Duration7 days8 hours to 30 daysNA8 days20 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a320 x 320218 x 218360 x 360
Size1.26 inchesn/a1.63 inches1.2 inches1.3 inches
Touch
TypeMonochrome LCDn/aAMOLEDMIPAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM3 ATMIP5510 ATM5 ATM

Notifications

Phone
EmailsNA
TextsNA

Software

Operating Systemn/an/aAndroid WearWear OSBuild-in
Apps
Music

All Wearables