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Author Topic: 7990 hashing speed?  (Read 1283 times)
jasinlee
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April 09, 2013, 11:57:52 PM
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Anyone got a speed on the 7990, cannot seem to find info on its speed for btc or ltc?

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April 10, 2013, 12:09:41 AM
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Each core is basically a 7970. Take the speeds of a 7970, and double it. @ 1100MHz, expect ~1.3GH/s.

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April 10, 2013, 12:22:47 AM
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Each core is basically a 7970. Take the speeds of a 7970, and double it. @ 1100MHz, expect ~1.3GH/s.

So its basically a 5970 for current day. So that would put the cap of 8 gpus on each rig as usual. But potentially faster than any other options so you could have 4 7990s @ 5.2gh/s or 2.4gh/s for 4 7950s?

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April 10, 2013, 04:57:48 AM
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So its basically a 5970 for current day. So that would put the cap of 8 gpus on each rig as usual. But potentially faster than any other options so you could have 4 7990s @ 5.2gh/s or 2.4gh/s for 4 7950s?
Pretty much. Now you can only have 4 7990s, but IIRC, most of them are triple-wide, so good luck fitting 4 of them inside any case, or on any MB.

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