Polar M600 vs. Apple Watch vs. Fitbit Flex vs. Apple Watch Series 4 vs. Garmin Vivosmart 4

 
M600
Watch
Flex
Watch Series 4
Vivosmart 4
 PolarM600Remove Buy NowAppleWatchRemove Buy NowFitbitFlexRemove Buy NowAppleWatch Series 4Remove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$330$349$100$329$130
Release20162015201320182018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days18 hours5 daysNot Yet7 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNANA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution240 x 240340 x 272 or 390 x 312NA384 x 48048 x 128
Size1.3 inches1.5 inches or 1.65 inchesNA1.78 inches0.74 inches
Touchn/aNA
TypeTFTAMOLEDLEDMicroLEDOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX8IPX71 ATMNot Yet5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid WearWatch OSNAWatch OS 5
Apps
Music

All Wearables