Polar Loop 2 vs. New Balance RunIQ vs. Michael Kors Grayson vs. Microsoft Band vs. Michael Kors Grayson vs. Amazfit T-Rex

 
Loop 2
RunIQ
Grayson
Band
Grayson
T-Rex
 PolarLoop 2Remove Buy NowNew BalanceRunIQRemove Buy NowMichael KorsGraysonRemove Buy NowMicrosoftBandRemove Buy NowMichael KorsGraysonRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$120$299$350$200$350$140
Release201520172018201420182019

Activity & Fitness

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

Battery

Duration8 days (without notifications)24 hours (5 hrs w GPS and heart rate)24 hours2 days24 hours20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a400 x 400453 x 454320 x 106453x454360 x 360
Sizen/a1.39 inches1.39 inches1.37 inches1.39 inches1.3 inches
Touch
TypeLEDAMOLEDAMOLEDCapacitative TFTAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance2 ATM5 ATM1 ATMIP671 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid Wear 1.5Android WearNAAndroid WearBuild-in
Apps
Music

All Wearables