Samsung Gear S2 vs. Fitbit Flex 2 vs. Garmin Vivosmart 3 vs. Michael Kors Access Sofie HR vs. Garmin Vivosmart 4

 
Gear S2
Flex 2
Vivosmart 3
Access Sofie HR
Vivosmart 4
 SamsungGear S2Remove Buy NowFitbitFlex 2Remove Buy NowGarminVivosmart 3Remove Buy NowMichael KorsAccess Sofie HRRemove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$300$100$139.99$395$130
Release20152016201720192018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2-3 days5 days5 days2 days7 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellularn/a
GPSn/a
NFC
Wi-Fi

Display

Colorn/a
Resolution360 x 360n/a64 x 128390 x 39048 x 128
Size1.2 inchesn/aNA1.19 inches0.74 inches
Touchn/a
TypeSuper AMOLEDLEDOLEDOMOLEDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP685 ATM5 ATM0.3 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemTizenn/aWear OS
Apps
Music

All Wearables