Fitbit Ionic vs. Michael Kors Access Sofie vs. Xiaomi Mi Band 4 vs. Garmin Vivosmart 4 vs. Amazfit GTR

 
Ionic
Access Sofie
Mi Band 4
Vivosmart 4
GTR
 FitbitIonicRemove Buy NowMichael KorsAccess SofieRemove Buy NowXiaomiMi Band 4Remove Buy NowGarminVivosmart 4Remove Buy NowAmazfitGTRRemove Buy Now

Basic Info

Suggested Price$299$395$25$130$199
Release20172017201920182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration4+ days1 day20 days7 days24 days
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution348x250390 x 390 1.19 inches120x24048 x 128454 x 454
Size1.420.95 inches0.74 inches1.39 inches
TouchAMOLDED
TypeOLEDAMOLEDOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance50m1 ATM5 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemFitbit OSAndroid Wear 2.0AMAZFIT OSBuild-in
Apps
Music

All Wearables