If you could find out the clock speed and latency of the RAM in your laptop, that would be great, but I can't find it on Newegg or the Acer website. If the RAM it ships with is faster, you'll want to get faster RAM, otherwise the existing RAM will be under-clocked to match this RAM. Or, if you want, you could buy a brand new 8GB kit so they'll both be the same and faster, that would be best, but more expensive.
Also, sorry about my post earlier, somehow I missed that your APU IS the A-8. It should run better than I made it out to. However, keep in mind that it still won't run as well as the desktop A-8 I was talking about.