Polar M400 vs. Acer Liquid Leap vs. Samsung Live vs. Fitbit Flex vs. Garmin VivoActive 4

 
M400
Liquid Leap
Live
Flex
VivoActive 4
 PolarM400Remove Buy NowAcerLiquid LeapRemove Buy NowSamsungLiveRemove Buy NowFitbitFlexRemove Buy NowGarminVivoActive 4Remove Buy Now

Basic Info

Suggested Price$200$90$200$100$349
Release20142015201420132019

Activity & Fitness

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

Battery

Duration8 hours to 30 days5 to 7 days1 Day5 days8 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNANA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a128 x 32320 x 320NA260 x 260
Sizen/a1 inch1.63 inchesNA1.3ionches
TouchNA
Typen/aOLEDSuper AMOLEDLEDMIP

Functions

Audio SpeakerAlerts only
Clock
Phone
VibrationNA
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMIPX4IP671 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid WearNAWear OS
Apps
Music

All Wearables