Okay, how about this I think this probably is worse, with a shared memory, but it is slightly cheaper than the option 2:
HP® ENVY 8GB 15.6"
AMD quad core A10-5750M 2.5 GHz 4MB cache processor
8GB DDR3L (1 x DIMM) SDRAM standard memory, expandable up to 16GB
750GB 5400 RPM SATA hard drive
15.6"...