PLSSSS HELP ME!!!! 10 POINTS!! Whats the difference between a PLEO dino and a PLEO RB?

Is the RB way better? I want a pleo as realistic as possible.. One I can snuggle take to the park and watch him play around,, and show off to everyone ( Im in uruguay and its a third world country. if i bring a pleo everyone will trip out, that technology wont exist there for 20 years