Garmin Forerunner 735XT vs. Fitbit Charge 2 vs. Garmin 645 Music vs. Fitbit Flex vs. Xiaomi Mi Band 3

 
Forerunner 735XT
Charge 2
645 Music
Flex
Mi Band 3
 GarminForerunner 735XTRemove Buy NowFitbitCharge 2Remove Buy NowGarmin645 MusicRemove Buy NowFitbitFlexRemove Buy NowXiaomiMi Band 3Remove Buy Now

Basic Info

Suggested Price$450$150$450$100$44.95
Release20162016201820132018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration14 hours to 11 days5 days7 days5 days20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution215 x 180n/a240 x 240NA128 x 80
Size1.23 inchesn/a1.2 inchesNA0.78 inches
Touchn/an/aNA
Typen/aOLEDMIPLEDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMn/a5 ATM1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aNA
Apps
Music

All Wearables