Motorola Moto 360 (2nd Gen) vs. Polar M400 vs. Withings Steel HR vs. New Balance RunIQ vs. Xiaomi Mi Band 4

 
Moto 360 (2nd Gen)
M400
Steel HR
RunIQ
Mi Band 4
 MotorolaMoto 360 (2nd Gen)Remove Buy NowPolarM400Remove Buy NowWithingsSteel HRRemove Buy NowNew BalanceRunIQRemove Buy NowXiaomiMi Band 4Remove Buy Now

Basic Info

Suggested Price$300$200$180$299$25
Release20152014201620172019

Activity & Fitness

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

Battery

Duration1.5 days8 hours to 30 days25 days24 hours (5 hrs w GPS and heart rate)20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution360 x 325 or 360 x 330n/an/a400 x 400120x240
Size1.37 inches or 1.56 inchesn/an/a1.39 inches0.95 inches
Touch
TypeLCDn/an/aAMOLEDAMOLED

Functions

Audio SpeakerBluetoothAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP673 ATM5 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid Wearn/an/aAndroid Wear 1.5AMAZFIT OS
Apps
Musicn/a

All Wearables