Polar M600 vs. Fitbit Flex 2 vs. Garmin 645 Music vs. Garmin Forerunner 235 vs. Samsung Gear Fit2 Pro

 
M600
Flex 2
645 Music
Forerunner 235
Gear Fit2 Pro
 PolarM600Remove Buy NowFitbitFlex 2Remove Buy NowGarmin645 MusicRemove Buy NowGarminForerunner 235Remove Buy NowSamsungGear Fit2 ProRemove Buy Now

Basic Info

Suggested Price$330$100$450$299.99$199.99
Release20162016201820172017

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days5 days7 days9 days2 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolution240 x 240n/a240 x 240215 x 180216 x 432
Size1.3 inchesn/a1.2 inches1.23 inches1.5 inches
Touchn/an/a
TypeTFTLEDMIPMIPAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX85 ATM5 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid Wearn/aTizen OS
Apps
Music

All Wearables