It's not much difference but they also come on different cpu speeds. Is it worth it? Maybe, depends on what you use your pc for. If it for htpc you could save money and go even lower. If it's for gaming, you shouldn't be looking at apus unless this is a low budget laptop.
im on a really tight budget of $380 and ive been saving all that up from the summer, i will not get more money any time soon. and my PC can die on me at anytime.
They're both the same, no one would suggest a bad build. Again I would suggest changing some parts because of price changes, maybe make a new thread if you're buying this week.