Polar Loop 2 vs. Michael Kors Grayson vs. Samsung Galaxy Watch vs. Michael Kors Grayson vs. Amazfit T-Rex vs. HTC re Grip

 
Loop 2
Grayson
Galaxy Watch
Grayson
T-Rex
re Grip
 PolarLoop 2Remove Buy NowMichael KorsGraysonRemove Buy NowSamsungGalaxy WatchRemove Buy NowMichael KorsGraysonRemove Buy NowAmazfitT-RexRemove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$120$350$330$350$140$199
Release201520182018201820192020

Activity & Fitness

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

Battery

Duration8 days (without notifications)24 hours7 days24 hours20 days5 hours to 2.5 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
CellularNA
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a453 x 454360 x 360453x454360 x 360160 x 32
Sizen/a1.39 inches1.2 inches or 1.3 inches1.39 inches1.3 inches1.8 inches
Touch
TypeLEDAMOLEDAMOLEDAMOLEDAMOLEDPMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance2 ATM1 ATM5 ATM1 ATM5 ATMIP57

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid WearTizen OSAndroid WearBuild-inNA
Apps
MusicSpotify

All Wearables