Fitbit Flex 2 vs. Garmin Fenix 5 vs. Casio G-Shock GBA800 vs. Garmin 645 Music vs. Garmin VivoActive 4

 
Flex 2
Fenix 5
G-Shock GBA800
645 Music
VivoActive 4
 FitbitFlex 2Remove Buy NowGarminFenix 5Remove Buy NowCasioG-Shock GBA800Remove Buy NowGarmin645 MusicRemove Buy NowGarminVivoActive 4Remove Buy Now

Basic Info

Suggested Price$100$599.99$120$450$349
Release20162017201820182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days2 Weeks2 years7 days8 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a240 x 240240 x 240260 x 260
Sizen/a1.2 inches1.2 inches1.3ionches
Touchn/a
TypeLEDnaMIPMIP

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM10 ATM20 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWear OS
Apps
Music

All Wearables