Polar M600 vs. Casio G-Shock GBA800 vs. Fitbit Flex vs. Garmin Vivosmart 4 vs. Garmin VivoActive 4

 
M600
G-Shock GBA800
Flex
Vivosmart 4
VivoActive 4
 PolarM600Remove Buy NowCasioG-Shock GBA800Remove Buy NowFitbitFlexRemove Buy NowGarminVivosmart 4Remove Buy NowGarminVivoActive 4Remove Buy Now

Basic Info

Suggested Price$330$120$100$130$349
Release20162018201320182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days2 years5 days7 days8 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution240 x 240NA48 x 128260 x 260
Size1.3 inchesNA0.74 inches1.3ionches
Touchn/aNA
TypeTFTLEDOLEDMIP

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX820 ATM1 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid WearNAWear OS
Apps
Music

All Wearables