Misfit Ray vs. Xiaomi Mi Band 2 vs. Fitbit Charge 3 vs. Polar Loop vs. Xiaomi Mi Band 4

 
Ray
Mi Band 2
Charge 3
Loop
Mi Band 4
 MisfitRayRemove Buy NowXiaomiMi Band 2Remove Buy NowFitbitCharge 3Remove Buy NowPolarLoopRemove Buy NowXiaomiMi Band 4Remove Buy Now

Basic Info

Suggested Price$100$23$150$100$25
Release20162016201820132019

Activity & Fitness

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

Battery

Duration6 months20 hours7 days5 days20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFCNA
Wi-Fi

Display

Colorn/a
Resolutionn/an/a66 x 18NA120x240
Sizen/a0.42 inches.721 inchesNA0.95 inches
Touchn/a
TypeLEDOLEDOLEDLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIP675 ATM2 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aNANAAMAZFIT OS
Apps
Music

All Wearables