Garmin Fenix 3 vs. Polar M400 vs. Fitbit One vs. Garmin Forerunner 235 vs. Fitbit Flex

 
Fenix 3
M400
One
Forerunner 235
Flex
 GarminFenix 3Remove Buy NowPolarM400Remove Buy NowFitbitOneRemove Buy NowGarminForerunner 235Remove Buy NowFitbitFlexRemove Buy Now

Basic Info

Suggested Price$500$200$100$299.99$100
Release20152014201220172013

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heartn/an/a
Oxygen
Sleep
Steps
Swim

Battery

Duration50 hours to 6 weeks8 hours to 30 days10-14 days9 days5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/an/aNA
Macn/a
Windowsn/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution218 x 218n/an/a215 x 180NA
Size1.2 inchesn/an/a1.23 inchesNA
TouchNA
TypeChroma LEDn/aOLEDMIPLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance10 ATM3 ATMSplast Resistant5 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/an/aNA
Apps
Music

All Wearables