AutoCAD system requirements

[rncr]

Hi

Could any one can tell me on below list which one I need to upgrade for my system to run AutoCAD 2010 more faster when it comes on opening huge files:

Processor : Intel(R) Core(TM) i3 CPU M 330@2.13GHz
Memory (RAM): 4.00GB
Graphics : Intel(R) HD Graphics
Primary hard disk : 287GB total
System type : 32-bit operating system
number of processor cores : 2
64 bit capable : yes
Display adapter type :Intel(R) Graphics Media Accelerator HD

OR

Processor : Intel(R) Core(TM)2 Duo CPU E8400 @ 3.00 GHz
Memory (RAM): 3.00GB
Graphics : Intel(R) Q45/Q43 Express Chipset
Primary hard disk : 466GB total
System type : 32-bit operating system
Number of processor cores : 2
64 bit capable : Yes
Display adapter type :Intel(R) Q45/Q43 Express Chipset
Dedicated Graphics Memory: 64MB

Thank you in advance

[rncr]

I have been informed to change the graphics card to a greater size... atleast 128MB minimum... please any one can confirm me about this and tell me please if this is the only way to upgrade my unit....