Casio G-Shock GBA800 vs. Fitbit Flex vs. Jawbone UP2 vs. Jaybird Reign vs. Amazfit T-Rex

 
G-Shock GBA800
Flex
UP2
Reign
T-Rex
 CasioG-Shock GBA800Remove Buy NowFitbitFlexRemove Buy NowJawboneUP2Remove Buy NowJaybirdReignRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$120$100$100$150$140
Release20182013201520152019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 years5 days7 days5 days20 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNANANA
MacNANA
WindowsNANA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
ResolutionNANANA360 x 360
SizeNANANA1.3 inches
TouchNANANA
TypeLEDNALEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance20 ATM1 ATMSplash resistantNA5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemNANANABuild-in
Apps
Music

All Wearables