Garmin Vivoactive vs. Polar M400 vs. Moov Now vs. Samsung Gear 2 vs. Xiaomi Mi Band 4

 
Vivoactive
M400
Now
Gear 2
Mi Band 4
 GarminVivoactiveRemove Buy NowPolarM400Remove Buy NowMoovNowRemove Buy NowSamsungGear 2Remove Buy NowXiaomiMi Band 4Remove Buy Now

Basic Info

Suggested Price$250$200$79$300$25
Release20152014201520142019

Activity & Fitness

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

Battery

Duration14 hours to 11 days8 hours to 30 days6 months2-3 days20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution205 x 148n/an/a320 x 320120x240
Size1.38 inchesn/an/a1.63 inches0.95 inches
Touchn/a
TypeLCDn/an/aSuper AMOLEDAMOLED

Functions

Audio SpeakerAlerts onlyBluetooth
Clock
Phone
Vibrationn/a
Voice

Hardware

Accelerometer
Barometer or Altimetern/a
Ultraviolet Sensor
Water Resistance5 ATM3 ATMn/aIP675 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/an/aTizen OSAMAZFIT OS
Apps
Music

All Wearables