Interessant le gain du au changement de bus:
http://www.aceshardware.com/read.jsp?id=45000300
 
Compared to P4 2 GHz + RAM   Serious Sam   Max Payne  
512 KB Cache instead of 256 KB (Northwood upgrade) +15% +22%  
PC2100 DDR instead of SDRAM (RAM upgrade) +8% +14%  
PC2100 DDR + 512 KB cache (RAM + Northwood) +36% +39%  
533 MHz FSB + PC1066 RDRAM (RAM + chipset upgrade) +54% +42.5%