That CPU isn't ideal for Dolphin, so you won't get full speed in more demanding games. What you can do, however, is update to the latest version instead of using 4.0.2 for better speeds, and using the laptop performance guide here on the forums and the performance guide on the wiki.
Arch
Intel Core i7 - 4510U
iHD4400
8GB RAM
Check here first:
wiki.dolphin-emu.org
Intel Core i7 - 4510U
iHD4400
8GB RAM
Check here first:
wiki.dolphin-emu.org
