Fitbit Flex 2 vs. Polar M430 vs. Casio G-Shock GBA800 vs. Garmin Forerunner 45 vs. Garmin VivoActive 4

 
Flex 2
M430
G-Shock GBA800
Forerunner 45
VivoActive 4
 FitbitFlex 2Remove Buy NowPolarM430Remove Buy NowCasioG-Shock GBA800Remove Buy NowGarminForerunner 45Remove Buy NowGarminVivoActive 4Remove Buy Now

Basic Info

Suggested Price$100$255$120$199$349
Release20162017201820192019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days30 hours2 years7 days8 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a128x128208 x 208260 x 260
Sizen/a1.4 inch1.04 inches1.3ionches
Touchn/a
TypeLEDLCDLCDMIP

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMWR3020 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aBuilt-inWear OS
Apps
Music

All Wearables