Polar M400 vs. Samsung Gear Fit2 vs. LG Watch Sport vs. Xiaomi Mi Band 3 vs. Garmin Vivosmart 4

 
M400
Gear Fit2
Watch Sport
Mi Band 3
Vivosmart 4
 PolarM400Remove Buy NowSamsungGear Fit2Remove Buy NowLGWatch SportRemove Buy NowXiaomiMi Band 3Remove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$200$180$349$44.95$130
Release20142016201620182018

Activity & Fitness

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

Battery

Duration8 hours to 30 days3-4 days1.45 days20 days7 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Macn/a
Windowsn/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a432 x 216480 x 480128 x 8048 x 128
Sizen/a1.5 inches1.38 inches0.78 inches0.74 inches
Touch
Typen/aSuper AMOLEDP-OLEDOLEDOLED

Functions

Audio SpeakerAlerts onlyBluetooth
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMIP68IP685 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aTizenAndroid Wear 2
Apps
Music

All Wearables