Apple Watch Series 3 vs. Samsung Gear S2 vs. Fitbit Flex 2 vs. Michael Kors Access Sofie HR vs. Garmin VivoActive 4

 
Watch Series 3
Gear S2
Flex 2
Access Sofie HR
VivoActive 4
 AppleWatch Series 3Remove Buy NowSamsungGear S2Remove Buy NowFitbitFlex 2Remove Buy NowMichael KorsAccess Sofie HRRemove Buy NowGarminVivoActive 4Remove Buy Now

Basic Info

Suggested Price$329$300$100$395$349
Release20172015201620192019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration18 hours2-3 days5 days2 days8 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
Resolution340 x 272 or 390 x 312360 x 360n/a390 x 390260 x 260
Size1.5 inches or 1.65 inches1.2 inchesn/a1.19 inches1.3ionches
Touchn/a
TypeAMOLEDSuper AMOLEDLEDOMOLEDMIP

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIP685 ATM0.3 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemWatchOS 4Tizenn/aWear OSWear OS
Apps
Music

All Wearables