Fitbit Flex 2 vs. ASUS ZenWatch 3 vs. Garmin Forerunner 935 vs. Apple Watch Series 5 vs. Garmin Vivosmart 4

 
Flex 2
ZenWatch 3
Forerunner 935
Watch Series 5
Vivosmart 4
 FitbitFlex 2Remove Buy NowASUSZenWatch 3Remove Buy NowGarminForerunner 935Remove Buy NowAppleWatch Series 5Remove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$100$229$500$329$130
Release20162017201720192018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days48 hoursUp to 2 weeksNot Yet7 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a400 x 400240 x 240384 x 48048 x 128
Sizen/a1.39 inches1.2 inches1.78 Inches0.74 inches
Touchn/a
TypeLEDAMOLEDLCDMicroLEDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATMNot Yet5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid Wear 2WatchOS 5
Apps
Music

All Wearables