Polar M600 vs. Fitbit Flex 2 vs. Garmin Fenix 5X vs. Garmin Forerunner 235 vs. Garmin Vivofit 4

 
M600
Flex 2
Fenix 5X
Forerunner 235
Vivofit 4
 PolarM600Remove Buy NowFitbitFlex 2Remove Buy NowGarminFenix 5XRemove Buy NowGarminForerunner 235Remove Buy NowGarminVivofit 4Remove Buy Now

Basic Info

Suggested Price$330$100$699$299.99$79.95
Release20162016201720172018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days5 daysUp to 12 days9 days1 year
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolution240 x 240n/a240 x240215 x 18088 x 88
Size1.3 inchesn/a1.2 inches1.23 inchesNA
Touchn/an/a
TypeTFTLEDNAMIPNA

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX85 ATM10 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid Wearn/a
Apps
Music

All Wearables