Polar M400 vs. ASUS ZenWatch 3 vs. Fitbit Versa vs. Garmin Fenix 5X vs. Fitbit Flex

 
M400
ZenWatch 3
Versa
Fenix 5X
Flex
 PolarM400Remove Buy NowASUSZenWatch 3Remove Buy NowFitbitVersaRemove Buy NowGarminFenix 5XRemove Buy NowFitbitFlexRemove Buy Now

Basic Info

Suggested Price$200$229$199.99$699$100
Release20142017201820172013

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heartn/a
Oxygen
Sleep
Steps
Swim

Battery

Duration8 hours to 30 days48 hours4 daysUp to 12 days5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Mac
Windows

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a400 x 400300 x300240 x240NA
Sizen/a1.39 inches1.34 inches1.2 inchesNA
TouchNA
Typen/aAMOLEDOLEDNALED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM5 ATM10 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid Wear 2NA
Apps
Music

All Wearables