is a AMD Quad-Core A6-3400M processor 2.3GHz, 4mb L2 Cache good for a gaming laptop?
Depends (I assume the laptop doesn't have a discrete graphics card). It's not going to give you brilliant results but it'll probably run most games on low settings (might be cutting it close on shooters though).
Laptops are no good until you get into high price ranges.
the graphics card is a AMD Radeon HD 6520G Discrete-Class Graphics
it also has
6GB DDR3 SDRAM system memory
640GB SATA hard drive
IMO same answer.