Fitbit Flex 2 vs. Garmin Forerunner 935 vs. Asus ZenWatch vs. Garmin Vivosmart 3 vs. Apple Series 6

 
Flex 2
Forerunner 935
ZenWatch
Vivosmart 3
Series 6
 FitbitFlex 2Remove Buy NowGarminForerunner 935Remove Buy NowAsusZenWatchRemove Buy NowGarminVivosmart 3Remove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$100$500$150$139.99$399
Release20162017201420172020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 daysUp to 2 weeksNA5 daysNot yet
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a240 x 240320 x 32064 x 128384 x 480
Sizen/a1.2 inches1.63 inchesNA40mm
Touchn/a
TypeLEDLCDAMOLEDOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water Resistance5 ATM5 ATMIP555 ATM

Notifications

Phone
EmailsNA
TextsNA

Software

Operating Systemn/aAndroid WearWatchOS 5
Apps
Music

All Wearables