Polar M400 vs. Polar M600 vs. Diesel On Full Guard vs. Fitbit Charge 3 vs. Xiaomi Mi Band

 
M400
M600
On Full Guard
Charge 3
Mi Band
 PolarM400Remove Buy NowPolarM600Remove Buy NowDieselOn Full GuardRemove Buy NowFitbitCharge 3Remove Buy NowXiaomiMi BandRemove Buy Now

Basic Info

Suggested Price$200$330$325$150$15
Release20142016201720182015

Activity & Fitness

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

Battery

Duration8 hours to 30 days2 days1 day7 days30 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/a
MacNA
WindowsNot yetNA

Connectivity

Bluetooth
Cellular
GPS
NFCNA
Wi-Fi

Display

ColorNA
Resolutionn/a240 x 240454 x 45466 x 18NA
Sizen/a1.3 inches1.4 inches.721 inchesNA
Touchn/aNA
Typen/aTFTOMOLEDOLEDNA

Functions

Audio SpeakerAlerts onlyAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMIPX8IP675 ATMIP67

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid WearAndroid Wear 2.0NANA
Apps
Music

All Wearables