> MAME uses mostly one core and hands over lesser tasks to the second one so it doesn't > make much of a difference.
For intense 3D games like NFL Blitz MAME will saturate 2 cores and put some load on 2 more.
The old "MAME doesn't go past 2 cores" hasn't been true for many years.
That said, the OP is running 32-bit XP and playing 2D games, so any kind of modern processor is a waste, like Sune said.
Plenty of people run 15 kHz on non-XP nowadays.
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