Polar M400 vs. Polar M600 vs. Garmin Forerunner 935 vs. Fitbit Alta HR vs. Jawbone UP4

 
M400
M600
Forerunner 935
Alta HR
UP4
 PolarM400Remove Buy NowPolarM600Remove Buy NowGarminForerunner 935Remove Buy NowFitbitAlta HRRemove Buy NowJawboneUP4Remove Buy Now

Basic Info

Suggested Price$200$330$500$150$200
Release20142016201720172015

Activity & Fitness

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

Battery

Duration8 hours to 30 days2 daysUp to 2 weeks7 daysNA
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a240 x 240240 x 240128 x 36NA
Sizen/a1.3 inches1.2 inches1.4 inchesNA
Touchn/aNA
Typen/aTFTLCDOLEDNA

Functions

Audio SpeakerAlerts onlyAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMIPX85 ATMNA

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid WearNA
Apps
MusicNA

All Wearables