Polar M400 vs. Microsoft Band 2 vs. Fitbit Ionic vs. Garmin Fenix 5 vs. Fitbit Flex

 
M400
Band 2
Ionic
Fenix 5
Flex
 PolarM400Remove Buy NowMicrosoftBand 2Remove Buy NowFitbitIonicRemove Buy NowGarminFenix 5Remove Buy NowFitbitFlexRemove Buy Now

Basic Info

Suggested Price$200$250$299$599.99$100
Release20142015201720172013

Activity & Fitness

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

Battery

Duration8 hours to 30 days48 hours (without GPS)4+ days2 Weeks5 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a320 x 128348x250240 x 240NA
Sizen/a1.36 inches1.421.2 inchesNA
TouchNA
Typen/aCapacitative TFTOLEDnaLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMIPX750m10 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aFitbit OSNA
Apps
Music

All Wearables