Polar M400 vs. Garmin Vivosmart HR vs. Sony SmartBand Talk vs. Garmin Vivofit 4 vs. Polar Loop

 
M400
Vivosmart HR
SmartBand Talk
Vivofit 4
Loop
 PolarM400Remove Buy NowGarminVivosmart HRRemove Buy NowSonySmartBand TalkRemove Buy NowGarminVivofit 4Remove Buy NowPolarLoopRemove Buy Now

Basic Info

Suggested Price$200$170$170$79.95$100
Release20142015201420182013

Activity & Fitness

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

Battery

Duration8 hours to 30 days5 days3 days1 year5 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a160 x 68296 x 12888 x 88NA
Sizen/a1.08 inches1.4 inchesNANA
Touch
Typen/an/aE InkNALED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM5 ATMIP685 ATM2 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aAndroid WearNA
Apps
Music

All Wearables