Polar M400 vs. Garmin Vivofit 3 vs. Garmin Vivoactive 3 vs. Garmin Vivofit 4 vs. Polar Loop

 
M400
Vivofit 3
Vivoactive 3
Vivofit 4
Loop
 PolarM400Remove Buy NowGarminVivofit 3Remove Buy NowGarminVivoactive 3Remove Buy NowGarminVivofit 4Remove Buy NowPolarLoopRemove Buy Now

Basic Info

Suggested Price$200$100$299$79.95$100
Release20142016201720182013

Activity & Fitness

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

Battery

Duration8 hours to 30 days1 year7 days1 year5 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a64 x 64240 x 24088 x 88NA
Sizen/a0.55 inches1.2 inchesNANA
Touch
Typen/an/aMIPNALED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

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

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aNA
Apps
Music

All Wearables