Polar M600 vs. Sony SmartWatch 3 vs. Sony SmartBand vs. Xiaomi Mi Band 4

 
M600
SmartWatch 3
SmartBand
Mi Band 4
 PolarM600Remove Buy NowSonySmartWatch 3Remove Buy NowSonySmartBandRemove Buy NowXiaomiMi Band 4Remove Buy Now

Basic Info

Suggested Price$330$250$100$25
Release2016201420142019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days2 days5 days20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

ColorNA
Resolution240 x 240320 x 320NA120x240
Size1.3 inches1.6 inchesNA0.95 inches
Touchn/aNA
TypeTFTTFT LCDNAAMOLED

Functions

Audio SpeakerAlerts onlyBluetooth
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX8IP68IP585 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid WearAndroid WearNAAMAZFIT OS
Apps
Music

All Wearables