Polar M600 vs. Sony SmartWatch 3 vs. Misfit Ray vs. Fitbit Charge 3 vs. Xiaomi Mi Band 4

 
M600
SmartWatch 3
Ray
Charge 3
Mi Band 4
 PolarM600Remove Buy NowSonySmartWatch 3Remove Buy NowMisfitRayRemove Buy NowFitbitCharge 3Remove Buy NowXiaomiMi Band 4Remove Buy Now

Basic Info

Suggested Price$330$250$100$150$25
Release20162014201620182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days2 days6 months7 days20 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/an/a
Macn/an/a
Windowsn/an/aNot yet

Connectivity

Bluetooth
Cellular
GPS
NFCNA
Wi-Fi

Display

Colorn/a
Resolution240 x 240320 x 320n/a66 x 18120x240
Size1.3 inches1.6 inchesn/a.721 inches0.95 inches
Touchn/an/a
TypeTFTTFT LCDLEDOLEDAMOLED

Functions

Audio SpeakerAlerts onlyBluetooth
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX8IP685 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid WearAndroid Wearn/aNAAMAZFIT OS
Apps
Music

All Wearables