UCI vs Cal Poly Pomona

Hi,
I got my acceptance from UCI (CS) and Cal Poly Pomona (EE) . I’m not really sure which university is better for transfer since I want to apply for masters. Both are great schools. I heard Pomona’s classes are packed and is usually hard to enroll, but UCI is not as bad. Also how hard is to change major form EE to CS in CPP?
Please give me any useful information you have since I’m really desperate in terms of choosing.
Thanks