Samsung X 420

[Guest]

Is this processsor 32 or 64 bit, and does it make a lot of difference?

 

[lostandwandering]

It's a 64-bit CPU: http/ark.intel.com/Product.aspx?id=43568

It only matters if you need to run a 64-bit OS or 4 or more gigabytes of RAM. There really is no performance difference though.