Fitbit Flex 2 vs. Garmin 645 Music vs. Garmin Forerunner 235 vs. Garmin Vivofit 4 vs. Samsung Gear Fit2 Pro

 
Flex 2
645 Music
Forerunner 235
Vivofit 4
Gear Fit2 Pro
 FitbitFlex 2Remove Buy NowGarmin645 MusicRemove Buy NowGarminForerunner 235Remove Buy NowGarminVivofit 4Remove Buy NowSamsungGear Fit2 ProRemove Buy Now

Basic Info

Suggested Price$100$450$299.99$79.95$199.99
Release20162018201720182017

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days7 days9 days1 year2 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a240 x 240215 x 18088 x 88216 x 432
Sizen/a1.2 inches1.23 inchesNA1.5 inches
Touchn/a
TypeLEDMIPMIPNAAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

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

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aTizen OS
Apps
Music

All Wearables