Polar M400 vs. Garmin Vivosmart HR vs. Xiaomi Mi Band 2 vs. Motorola Moto 360 (1st Gen) vs. Xiaomi Mi Band

 
M400
Vivosmart HR
Mi Band 2
Moto 360 (1st Gen)
Mi Band
 PolarM400Remove Buy NowGarminVivosmart HRRemove Buy NowXiaomiMi Band 2Remove Buy NowMotorolaMoto 360 (1st Gen)Remove Buy NowXiaomiMi BandRemove Buy Now

Basic Info

Suggested Price$200$170$23$150$15
Release20142015201620142015

Activity & Fitness

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

Battery

Duration8 hours to 30 days5 days20 hours1 day30 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

ColorNA
Resolutionn/a160 x 68n/a320 x 260NA
Sizen/a1.08 inches0.42 inches1.56 inchesNA
TouchNA
Typen/an/aOLEDLCDNA

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM5 ATMIP67IP67IP67

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/an/aAndroid WearNA
Apps
MusicNA

All Wearables