Upgrade of Lenovo Y450 Core 2 duo T6600 processor

Hi.I am new to this forum and this is my first post. Please bear with me if there is something wrong.
I brought lenovo Y450 laptop(Core 2 Duo T6600, 2.2Ghz) 3 years ago and its working well. I'm glad i brought it.
Now i have decided to upgrade my processor. I do lot of animations and videos so processor performance really matters a lot to me.
Lenovo Y450 uses Intel® GM45 Express Chipset. I went to intel website and got some information about compatible processors.

Can i replace my processor with Intel® Core™2 Quad Processor Q9100 or Intel® Core™2 Duo Processor T9600. ? (Priority given to the first one.) The reason i prefer first one is it has quad cores. The issue here is can my laptop withstand heat produced by Quad core processor? I use a good cooling pad so i don't think it is a issue. What is your suggestion ?
Please reply. Thanks in advance.