Polar M400 vs. Garmin Vivosmart vs. Motorola Moto 360 (1st Gen) vs. Samsung Galaxy Watch vs. Xiaomi Mi Band 4

 
M400
Vivosmart
Moto 360 (1st Gen)
Galaxy Watch
Mi Band 4
 PolarM400Remove Buy NowGarminVivosmartRemove Buy NowMotorolaMoto 360 (1st Gen)Remove Buy NowSamsungGalaxy WatchRemove Buy NowXiaomiMi Band 4Remove Buy Now

Basic Info

Suggested Price$200$170$150$330$25
Release20142014201420182019

Activity & Fitness

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

Battery

Duration8 hours to 30 days7 days1 day7 days20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
CellularNA
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a128 x 16320 x 260360 x 360120x240
Sizen/a1.41 inches1.56 inches1.2 inches or 1.3 inches0.95 inches
Touch
Typen/aOLEDLCDAMOLEDAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM5 ATMIP675 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aAndroid WearTizen OSAMAZFIT OS
Apps
MusicNASpotify

All Wearables