Fitbit Flex 2 vs. Garmin Fenix 5 vs. Casio G-Shock GBA800 vs. Garmin 645 Music vs. Apple Watch Ultra

 
Flex 2
Fenix 5
G-Shock GBA800
645 Music
Watch Ultra
 FitbitFlex 2Remove Buy NowGarminFenix 5Remove Buy NowCasioG-Shock GBA800Remove Buy NowGarmin645 MusicRemove Buy NowAppleWatch UltraRemove Buy Now

Basic Info

Suggested Price$100$599.99$120$450$799
Release20162017201820182022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days2 Weeks2 years7 days36 hrs
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a240 x 240240 x 240502x410 pixels
Sizen/a1.2 inches1.2 inches1.92 inches
Touchn/a
TypeLEDnaMIP

Functions

Audio Speaker
ClockLTPO OLED Retina
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM10 ATM20 ATM5 ATM10 ATM (100 Meters)

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWatchOS 9
Apps
Music

All Wearables