Polar M600 vs. Fitbit Flex 2 vs. Sony SmartBand vs. Misfit Vapor 2 vs. Xiaomi Mi Band 4

 
M600
Flex 2
SmartBand
Vapor 2
Mi Band 4
 PolarM600Remove Buy NowFitbitFlex 2Remove Buy NowSonySmartBandRemove Buy NowMisfitVapor 2Remove Buy NowXiaomiMi Band 4Remove Buy Now

Basic Info

Suggested Price$330$100$100$250$25
Release20162016201420182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days5 days5 days1 day20 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/aNA
Resolution240 x 240n/aNA454 x 454120x240
Size1.3 inchesn/aNA1.42 inches0.95 inches
Touchn/an/aNA
TypeTFTLEDNAAMOLEDAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX85 ATMIP583 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid Wearn/aNAWear OSAMAZFIT OS
Apps
Music

All Wearables