Fitbit Alta vs. Michael Kors Grayson vs. Garmin Vivofit 4 vs. Sony SmartBand vs. Michael Kors Grayson vs. Amazfit T-Rex

 
Alta
Grayson
Vivofit 4
SmartBand
Grayson
T-Rex
 FitbitAltaRemove Buy NowMichael KorsGraysonRemove Buy NowGarminVivofit 4Remove Buy NowSonySmartBandRemove Buy NowMichael KorsGraysonRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$130$350$79.95$100$350$140
Release201620182018201420182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days24 hours1 year5 days24 hours20 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

ColorNA
Resolutionn/a453 x 45488 x 88NA453x454360 x 360
Sizen/a1.39 inchesNANA1.39 inches1.3 inches
Touchn/aNA
TypeOLEDAMOLEDNANAAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a1 ATM5 ATMIP581 ATM5 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/aAndroid WearNAAndroid WearBuild-in
Apps
Music

All Wearables