Fitbit Flex 2 vs. Garmin 645 Music vs. Fitbit Charge vs. Fitbit Flex vs. Garmin Venu

 
Flex 2
645 Music
Charge
Flex
Venu
 FitbitFlex 2Remove Buy NowGarmin645 MusicRemove Buy NowFitbitChargeRemove Buy NowFitbitFlexRemove Buy NowGarminVenuRemove Buy Now

Basic Info

Suggested Price$100$450$130$100$299
Release20162018201420132019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days7 days7-10 days5 days5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNANA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a240 x 240NANA390 x 390
Sizen/a1.2 inchesNANA1.2 inches
Touchn/aNANA
TypeLEDMIPOLEDLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM1 ATM1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aNANAWear OS
Apps
Music

All Wearables