Misfit Ray vs. Garmin 645 Music vs. Fitbit Alta HR vs. Fitbit Charge 3 vs. Xiaomi Mi Band 4

 
Ray
645 Music
Alta HR
Charge 3
Mi Band 4
 MisfitRayRemove Buy NowGarmin645 MusicRemove Buy NowFitbitAlta HRRemove Buy NowFitbitCharge 3Remove Buy NowXiaomiMi Band 4Remove Buy Now

Basic Info

Suggested Price$100$450$150$150$25
Release20162018201720182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration6 months7 days7 days7 days20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFCNA
Wi-Fi

Display

Colorn/a
Resolutionn/a240 x 240128 x 3666 x 18120x240
Sizen/a1.2 inches1.4 inches.721 inches0.95 inches
Touchn/a
TypeLEDMIPOLEDOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

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

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aNAAMAZFIT OS
Apps
Music

All Wearables