Fitbit Charge 2 vs. Garmin 645 Music vs. Fitbit Charge vs. Fitbit Flex vs. Sony SmartBand

 
Charge 2
645 Music
Charge
Flex
SmartBand
 FitbitCharge 2Remove Buy NowGarmin645 MusicRemove Buy NowFitbitChargeRemove Buy NowFitbitFlexRemove Buy NowSonySmartBandRemove Buy Now

Basic Info

Suggested Price$150$450$130$100$100
Release20162018201420132014

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days7 days7-10 days5 days5 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNANANA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

ColorNA
Resolutionn/a240 x 240NANANA
Sizen/a1.2 inchesNANANA
Touchn/aNANANA
TypeOLEDMIPOLEDLEDNA

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a5 ATM1 ATM1 ATMIP58

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aNANANA
Apps
Music

All Wearables