Fitbit Flex 2 vs. Fitbit One vs. Garmin 645 Music vs. Samsung Gear 2 vs. Fitbit Charge HR

 
Flex 2
One
645 Music
Gear 2
Charge HR
 FitbitFlex 2Remove Buy NowFitbitOneRemove Buy NowGarmin645 MusicRemove Buy NowSamsungGear 2Remove Buy NowFitbitCharge HRRemove Buy Now

Basic Info

Suggested Price$100$100$450$300$150
Release20162012201820142015

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
StepsNA
Swim

Battery

Duration5 days10-14 days7 days2-3 days5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/aNANA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/a240 x 240320 x 320NA
Sizen/an/a1.2 inches1.63 inchesNA
Touchn/aNA
TypeLEDOLEDMIPSuper AMOLEDOLED

Functions

Audio SpeakerBluetooth
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMSplast Resistant5 ATMIP671 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aTizen OSNA
Apps
Music

All Wearables