Polar V800 vs. Michael Kors Grayson vs. Pebble Core vs. Michael Kors Grayson vs. Huawei Band 3 Pro vs. Amazfit T-Rex

 
V800
Grayson
Core
Grayson
Band 3 Pro
T-Rex
 PolarV800Remove Buy NowMichael KorsGraysonRemove Buy NowPebbleCoreRemove Buy NowMichael KorsGraysonRemove Buy NowHuaweiBand 3 ProRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$470$350$99$350$70$140
Release201420182016201820182019

Activity & Fitness

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

Battery

Duration13 hours to 30 days24 hoursNA24 hours12 days20 days
Rechargeable

Compatibility

Android
iOSNA
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a453 x 454NA453x454454 x 454360 x 360
Sizen/a1.39 inchesNA1.39 inches1.39 inches1.3 inches
TouchNA
Typen/aAMOLEDNAAMOLEDAMOLEDAMOLED

Functions

Audio SpeakerAlerts only
Clock
PhoneNA
VibrationNA
Voice

Hardware

AccelerometerNA
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM1 ATMNA1 ATMIP685 ATM

Notifications

PhoneNA
EmailsNA
TextsNA

Software

Operating Systemn/aAndroid WearNAAndroid WearAMAZFIT OSBuild-in
Apps
Music

All Wearables