Fitbit Flex 2 vs. Asus ZenWatch vs. Garmin Fenix 5X vs. Garmin Forerunner 235 vs. Garmin Vivosmart 4

 
Flex 2
ZenWatch
Fenix 5X
Forerunner 235
Vivosmart 4
 FitbitFlex 2Remove Buy NowAsusZenWatchRemove Buy NowGarminFenix 5XRemove Buy NowGarminForerunner 235Remove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$100$150$699$299.99$130
Release20162014201720172018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 daysNAUp to 12 days9 days7 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a320 x 320240 x240215 x 18048 x 128
Sizen/a1.63 inches1.2 inches1.23 inches0.74 inches
Touchn/a
TypeLEDAMOLEDNAMIPOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIP5510 ATM5 ATM5 ATM

Notifications

Phone
EmailsNA
TextsNA

Software

Operating Systemn/aAndroid Wear
Apps
Music

All Wearables