I have the same concerns as you.
But I really want to do a dual major at Gatech, since many people are saying that nowadays it's more difficult to find a quant job, I'm thinking that maybe a dual degree in CS would provide me with more opportunities.
I'm from China. Brand names matter much in China, I don't know whether it matters much in USA. I plan to work in USA for several years if possible, and then come back to China, at that time maybe work experience would matter more than brand names.
UCB is a tier 1 program. They have had 100% placement at a very high salary for years now. I believe they know what companies are looking for and give you those skill sets. I’ve heard it’s a very hard program as well. I would pick UCB any day of the week