Polar M400 vs. Moov Now vs. ASUS ZenWatch 3 vs. Jawbone UP3 vs. Xiaomi Mi Band 4

 
M400
Now
ZenWatch 3
UP3
Mi Band 4
 PolarM400Remove Buy NowMoovNowRemove Buy NowASUSZenWatch 3Remove Buy NowJawboneUP3Remove Buy NowXiaomiMi Band 4Remove Buy Now

Basic Info

Suggested Price$200$79$229$180$25
Release20142015201720132019

Activity & Fitness

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

Battery

Duration8 hours to 30 days6 months48 hours7 days20 days
Rechargeable

Compatibility

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

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a400 x 400NA120x240
Sizen/an/a1.39 inchesNA0.95 inches
Touchn/aNA
Typen/an/aAMOLEDNAAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibrationn/a
Voice

Hardware

Accelerometer
Barometer or Altimetern/a
Ultraviolet Sensor
Water Resistance3 ATMn/aNA5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aAndroid Wear 2NAAMAZFIT OS
Apps
MusicNA

All Wearables