Polar M400 vs. Polar M600 vs. Fossil Q Dreamer vs. Skagen Falster vs. Xiaomi Mi Band 4

 
M400
M600
Q Dreamer
Falster
Mi Band 4
 PolarM400Remove Buy NowPolarM600Remove Buy NowFossilQ DreamerRemove Buy NowSkagenFalsterRemove Buy NowXiaomiMi Band 4Remove Buy Now

Basic Info

Suggested Price$200$330$125$275$25
Release20142016201520182019

Activity & Fitness

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

Battery

Duration8 hours to 30 days2 days7 days24 hours20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a240 x 240n/a120x240
Sizen/a1.3 inchesn/a0.95 inches
Touchn/an/a
Typen/aTFTn/aOLEDAMOLED

Functions

Audio SpeakerAlerts onlyAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMIPX8IP671 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid Wearn/aNAAMAZFIT OS
Apps
Music

All Wearables