I would go for a complete new PC. You won't benefit much of a GTX590 in an old PC
PPJ --------------------------------------------------------------------- Pedro Paulo de Magalhães Oliveira Junior -- check our new iOS app: Cargo<http://itunes.apple.com/app/cargo/id444529879?ls=1&mt=8> 2011/8/5 Andries R. Van Der Leij <a.r.vanderl...@gmail.com> > Hi pedro and Richard, > > Thank you for the responses! The T7400 has just one gpu slot, so I'll > probably just buy the single 590, which itself is a dual card. The > 2050 doesn't seem to be worth it on these older systems (ddr2, etc). > > For my supervisor, what kind of performance increase should I expect > if we buy a newer nehalem system? > > Regards, > > Andries van der leij > > Sent from my iPhone > > On Aug 5, 2011, at 20:21, R Edgar <freesurfer....@gmail.com> wrote: > > > 2011/8/5 Pedro Paulo de Magalhães Oliveira Junior <p...@netfilter.com.b > > r>: > >> In my experience you'll have the benefit of using two cards > >> simultaneously. > >> That means you can run two recon-all with gpu acceleration > >> simultaneously. > >> The SLI is more important for graphics (cad, gaming) than for CUDA. > >> So, I'd > >> go for 2 GTX580 > > > > CUDA doesn't use SLI at all - you don't want it. So long as each card > > has enough RAM to handle one recon job, having more cards and using > > the environment variable to select the GPU is certainly the way to go. > > I don't think that Freesurfer is particularly heavy on the PCIe bus, > > so you should even be able to get one of the dual GPU cards and get > > good performance. However, Nehalem does help the data reorganisation > > required for the GPU. > > > > Richard >
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