Guess I should have been more clear. I am flexible on that. I am not going to be overclocking at all. What a decent chip and GPU set to give me the max RAC output at stock settings.
Guess I should have been more clear. I am flexible on that. I am not going to be overclocking at all. What a decent chip and GPU set to give me the max RAC output at stock settings.
"Decent" cpu can vary a lot. There are a list of "Top Hosts" at the SETI home page, (upper right hand corner has the link to it), so that would be a great place to scan through the list, see their RAC, and see what you consider to be "decent".
It doesn't say whether the systems listed are overclocked or not, but I would expect all the top listings, to be overclocked - so your results would be less, but it does show what works best.
The i7's (3970 and such), are a great cpu right now, and the Nvidia high end cards are rocking as well. The "ti" versions of every Nvidia card, is generally a step up in performance, versus the base model with the same model number.
I would suggest getting the absolute cheapest CPU/RAM combo that you think will suffice for the office based work. I would go dual core with HT (4 threads) or quad core. Doesn't really matter if it's AMD/Intel, but AMD will obviously be cheaper. Then get a good 500-600W power supply, don't cheap out here. That will be enough to power a good NVIDIA video card. Run 2-3 instances of SETI on the card and NONE on the CPU. That will provide the most RAC IMO.
I believe the GPU still works best when there's a free CPU core to feed it. The quad core CPU can feed the GPU running 3 instances of SETI on the one card.
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