Fitbit Blaze vs. Polar M400 vs. Garmin Forerunner 235 vs. Fitbit Flex vs. Fitbit Sense 2

 
Blaze
M400
Forerunner 235
Flex
Sense 2
 FitbitBlazeRemove Buy NowPolarM400Remove Buy NowGarminForerunner 235Remove Buy NowFitbitFlexRemove Buy NowFitbitSense 2Remove Buy Now

Basic Info

Suggested Price$200$200$299.99$100$300
Release20162014201720132022

Activity & Fitness

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

Battery

Duration5 Days8 hours to 30 days9 days5 days6 days
Rechargeable

Compatibility

Android
iOS
Windows PhonePartialn/aNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a215 x 180NA336x336
Sizen/an/a1.23 inchesNA1.59 inches
TouchNA
TypeLCDn/aMIPLEDAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a3 ATM5 ATM1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aNA
Apps
Music

All Wearables