> > interesting to note that the biggest differences are on the drivers that are
> actually
> > threaded, so MAME clearly does benefit from the extra cores of the i7 in such
> cases.
> >
> > it's interesting because a lot of people still say that more than 2 cores is a
> waste
> > for MAME, but if you're running those threaded drivers it actually appears to be
> > quite significant.
>
> It might not be just more cores/threads. It could be the larger cache (8M vs 3M). It
> could be the memory speed (3200MHz vs 1600MHz). It's not likely, but it could be the
> amount of memory (32GB vs 8GB). Or it could be some combination of the above.
There's no way that that's the case, otherwise you'd see uniformly lower performance across the board. Instead, for games that don't take advantage of MAME's multithreaded rendering, you're seeing a performance loss of around 5-8%, whereas for games that do use MAME's multithreaded rendering, you're seeing a performance loss of around 30%. It's painfully obvious that it's because of the extra cores (or lack thereof) and not due to any other factor.
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MAME benchmarks on the $70 Intel Pentium G3258
