Fitbit Flex 2 vs. Samsung Gear Fit2 vs. Withings Pulse Ox vs. Garmin 645 Music vs. Fitbit Charge 3

 
Flex 2
Gear Fit2
Pulse Ox
645 Music
Charge 3
 FitbitFlex 2Remove Buy NowSamsungGear Fit2Remove Buy NowWithingsPulse OxRemove Buy NowGarmin645 MusicRemove Buy NowFitbitCharge 3Remove Buy Now

Basic Info

Suggested Price$100$180$120$450$150
Release20162016201420182018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days3-4 days2 weeks7 days7 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFCNA
Wi-Fi

Display

Colorn/ablue
Resolutionn/a432 x 216128 x 32240 x 24066 x 18
Sizen/a1.5 inchesn/a1.2 inches.721 inches
Touchn/aSwipe
TypeLEDSuper AMOLEDOLEDMIPOLED

Functions

Audio SpeakerBluetooth
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIP685 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aTizenn/aNA
Apps
Music

All Wearables