Polar M400 vs. Microsoft Band 2 vs. Garmin 645 Music vs. Polar Loop vs. Garmin Venu

 
M400
Band 2
645 Music
Loop
Venu
 PolarM400Remove Buy NowMicrosoftBand 2Remove Buy NowGarmin645 MusicRemove Buy NowPolarLoopRemove Buy NowGarminVenuRemove Buy Now

Basic Info

Suggested Price$200$250$450$100$299
Release20142015201820132019

Activity & Fitness

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

Battery

Duration8 hours to 30 days48 hours (without GPS)7 days5 days5 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a320 x 128240 x 240NA390 x 390
Sizen/a1.36 inches1.2 inchesNA1.2 inches
Touch
Typen/aCapacitative TFTMIPLEDAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMIPX75 ATM2 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aNAWear OS
Apps
Music

All Wearables