9800GTX is better,faster.....
apart for that,
processing unit must be faster or you can say fastest
i was having a old gigabyte motherboard, now i have one of the fastest processor and mother. the processing is 80 percent faster than ever!!!
for best performance you need to have the following config.....
intel core i7 extreme edition/3.33GHz/1600 FSB/12mb l2 cache/
...
ht,tb,cm,xd,em64t.........capable
intel dx58so extreme motherboard with
HT tec. &
TB tec. enabled
16gb ddr3 sd ram