Garmin Vivoactive HR vs. Huawei Talkband B2 vs. Michael Kors Grayson vs. Garmin Vivosmart 3 vs. Michael Kors Grayson vs. Amazfit T-Rex

 
Vivoactive HR
Talkband B2
Grayson
Vivosmart 3
Grayson
T-Rex
 GarminVivoactive HRRemove Buy NowHuaweiTalkband B2Remove Buy NowMichael KorsGraysonRemove Buy NowGarminVivosmart 3Remove Buy NowMichael KorsGraysonRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$250$180$350$139.99$350$140
Release201620152018201720182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration13 hours to 8 days3 days24 hours5 days24 hours20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution148 x 205128 x 88453 x 45464 x 128453x454360 x 360
Size1.38 inches0.73 inches1.39 inchesNA1.39 inches1.3 inches
Touch
Typen/aPMOLEDAMOLEDOLEDAMOLEDAMOLED

Functions

Audio SpeakerBluetooth
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIP571 ATM5 ATM1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aAndroid WearAndroid WearBuild-in
Apps
Music

All Wearables