I majored in finance(actually double in Real Estate as well) from a decent school and took a bunch of accounting classes as well. My college girlfriend majored in Accounting Your first year take the level 1 finance course and level 1 accounting course, may be the level 1 and 2 of each. You'll have to take more than 1 of each for either major. It will give you a better understanding and may help you decide.
In general, accounting is more remembering where to put debits and credits. or tracking money through the books. If you major in accounting these two abbreviations WILL haunt your dreams for the rest of your life "DB" an "CR"

Finance you are evaluating risk and return. Lots of math, if your not good at statistics

might have a hard time but there were plenty of dense people in my classes that got through. Basically, your using formulas ect to find out how you should allocate money(savings ect), how much risk you are taking with your investment choice and how much you require to make that investment worthwile and how mush that investment should cost initially. Things that might haunt your thoughts while in college are standard deviation, the term beta, time value of money but not as bad as the "DR CR"
Either field has good upsides. Both are well paying fields and if you do well have good oportunities. Accounting may have a slightly higher job placement rate, but thats only if you do well. You can actually go into either field with either degree. For accounting I think there is like 24 additional units required.
Also, you know how there is an additional 20-30 units for an accounting... well at least 6-12 of them are economic and finance courses. It would be a little work, but I would recomend doubling in finance and accounting because you could just pick up the finance with the additional units required for your CPA. Otherwise your really just waisting money taking random classes that wont really serve you well. A lot of my friends took pointless classes just to get the units by.
I actually went to college not sure of what I wanted to major in but stmbled upon finance and real estate through some G.E's I took and got my interest sparked.
If you have any specific questions let me know, I still have some of the stuff pretty fresh in my memory.