Casio G-Shock GBA800 vs. Fitbit Flex vs. Jawbone UP3 vs. Amazfit T-Rex vs. Apple Watch 8

 
G-Shock GBA800
Flex
UP3
T-Rex
Watch 8
 CasioG-Shock GBA800Remove Buy NowFitbitFlexRemove Buy NowJawboneUP3Remove Buy NowAmazfitT-RexRemove Buy NowAppleWatch 8Remove Buy Now

Basic Info

Suggested Price$120$100$180$140$499
Release20182013201320192022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 years5 days7 days20 days18 hrs
Rechargeable

Compatibility

Android
iOS
Windows PhoneNANA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
ResolutionNANA360 x 360340 x 272 or 390 x 312
SizeNANA1.3 inches1.5 inches or 1.65 inches
TouchNANA
TypeLEDNAAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance20 ATM1 ATMNA5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemNANABuild-inWatchOS 9
Apps
MusicNA

All Wearables