Polar M400 vs. Garmin 645 Music vs. Samsung Gear Sport vs. Jawbone UP4 vs. Microsoft Band

 
M400
645 Music
Gear Sport
UP4
Band
 PolarM400Remove Buy NowGarmin645 MusicRemove Buy NowSamsungGear SportRemove Buy NowJawboneUP4Remove Buy NowMicrosoftBandRemove Buy Now

Basic Info

Suggested Price$200$450$299.99$200$200
Release20142018201720152014

Activity & Fitness

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

Battery

Duration8 hours to 30 days7 days2 daysNA2 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNANA
WindowsNANA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a240 x 240360 x 360NA320 x 106
Sizen/a1.2 inches1.2 inchesNA1.37 inches
TouchNA
Typen/aMIPSuper AMOLEDNACapacitative TFT

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM5 ATM5 ATMNAIP67

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aTizen OSNANA
Apps
MusicNA

Wearables by Microsoft

Microsoft Band 2

All Wearables