Polar M600 vs. Fitbit Flex 2 vs. Microsoft Band 2 vs. Polar Loop vs. Garmin Vivosmart 4

 
M600
Flex 2
Band 2
Loop
Vivosmart 4
 PolarM600Remove Buy NowFitbitFlex 2Remove Buy NowMicrosoftBand 2Remove Buy NowPolarLoopRemove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$330$100$250$100$130
Release20162016201520132018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days5 days48 hours (without GPS)5 days7 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolution240 x 240n/a320 x 128NA48 x 128
Size1.3 inchesn/a1.36 inchesNA0.74 inches
Touchn/an/a
TypeTFTLEDCapacitative TFTLEDOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX85 ATMIPX72 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid Wearn/an/aNA
Apps
Music

All Wearables