Apple Watch vs. Casio G-Shock GBA800 vs. Jawbone UP2 vs. Jawbone UP4 vs. Amazfit T-Rex

 
Watch
G-Shock GBA800
UP2
UP4
T-Rex
 AppleWatchRemove Buy NowCasioG-Shock GBA800Remove Buy NowJawboneUP2Remove Buy NowJawboneUP4Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$349$120$100$200$140
Release20152018201520152019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration18 hours2 years7 daysNA20 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNANANA
MacNANANA
WindowsNANANA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution340 x 272 or 390 x 312NANA360 x 360
Size1.5 inches or 1.65 inchesNANA1.3 inches
TouchNANA
TypeAMOLEDNANAAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX720 ATMSplash resistantNA5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemWatch OSNANABuild-in
Apps
MusicNA

All Wearables