Microsoft Band 2 vs. Garmin 645 Music vs. Apple Watch Series 4 vs. Michael Kors Access Sofie HR vs. Garmin Vivosmart 4

 
Band 2
645 Music
Watch Series 4
Access Sofie HR
Vivosmart 4
 MicrosoftBand 2Remove Buy NowGarmin645 MusicRemove Buy NowAppleWatch Series 4Remove Buy NowMichael KorsAccess Sofie HRRemove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$250$450$329$395$130
Release20152018201820192018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration48 hours (without GPS)7 daysNot Yet2 days7 days
Rechargeable

Compatibility

Android
iOS
Windows Phone
Macn/a
Windowsn/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 128240 x 240384 x 480390 x 39048 x 128
Size1.36 inches1.2 inches1.78 inches1.19 inches0.74 inches
Touch
TypeCapacitative TFTMIPMicroLEDOMOLEDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX75 ATMNot Yet0.3 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWatch OS 5Wear OS
Apps
Music

All Wearables