Polar M400 vs. Xiaomi Mi Band 2 vs. Garmin Fenix 5x Plus vs. Fitbit Flex vs. Jawbone UP4

 
M400
Mi Band 2
Fenix 5x Plus
Flex
UP4
 PolarM400Remove Buy NowXiaomiMi Band 2Remove Buy NowGarminFenix 5x PlusRemove Buy NowFitbitFlexRemove Buy NowJawboneUP4Remove Buy Now

Basic Info

Suggested Price$200$23$850$100$200
Release20142016201820132015

Activity & Fitness

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

Battery

Duration8 hours to 30 days20 hours20 days5 daysNA
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a240 x 240NANA
Sizen/a0.42 inches1.2 inchesNANA
TouchNANA
Typen/aOLEDMIPLEDNA

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMIP6710 ATM1 ATMNA

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aWear OSNANA
Apps
MusicNA

All Wearables