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3 7970s Crossfire, not being utilized

post #1 of 34
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My 7970s use about 30-50 of the cards % of usage each, and my frames keep on dipping under 60, is there anyway to make them use more? like 80%?
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post #2 of 34
yea they are not going to be utilized, your only plyaing on a 1080 monitor. you will never see utilization at the resolution.
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post #3 of 34
get an eyefinity setup
post #4 of 34
Also for 3 7970's your i7 930 isnt going to cut it. Two would probably work perfectly fine, but LGA2011 does much better with tri/quad fire/sli.

Also Try 200x21 1.38v +/- for 4.2ghz overclock
Edited by DzillaXx - 2/28/12 at 5:28am
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post #5 of 34
Quote:
Originally Posted by DzillaXx View Post

Also for 3 7970's your i7 930 isnt going to cut it. Two would probably work perfectly fine, but LGA2011 does much better with tri/quad fire/sli.
Also Try 200x21 1.38v +/- for 4.2ghz overclock

how does LGA2011 do so much better? or are you just referring to the clock for clock differences of the architecture since they have the same amount of PCIE lanes
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post #6 of 34
Quote:
Originally Posted by Blindsay View Post

how does LGA2011 do so much better? or are you just referring to the clock for clock differences of the architecture since they have the same amount of PCIE lanes

Well for a bunch of reasons.
1. Clock for Clock is better, can get 5ghz+ on some of those intel chips.
2. Everything Is on the CPU, pci-e lanes don't have to pass though the NB like on 1366 boards.
3. PCI-E 3.0, what helps when going into 3-4 gpu configs.


Though really I would wait for Ivy bridge to make sure as I hear even a 3930K will slightly bottleneck tri fire 7970's while heavily overclocked.
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post #7 of 34
Quote:
Originally Posted by Blindsay View Post

Quote:
Originally Posted by DzillaXx View Post

Also for 3 7970's your i7 930 isnt going to cut it. Two would probably work perfectly fine, but LGA2011 does much better with tri/quad fire/sli.
Also Try 200x21 1.38v +/- for 4.2ghz overclock

how does LGA2011 do so much better? or are you just referring to the clock for clock differences of the architecture since they have the same amount of PCIE lanes

Perhaps he's talking about PCIe Gen 3, even though that shouldn't really make a difference. But yeah, a 930 would bottleneck three 7970's

Edit: Ninja'd
Cmon, even a 3960X will bottleneck 4 7970's..

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post #8 of 34
Quote:
Originally Posted by DzillaXx View Post

Well for a bunch of reasons.
1. Clock for Clock is better, can get 5ghz+ on some of those intel chips.
2. Everything Is on the CPU, pci-e lanes don't have to pass though the NB like on 1366 boards.
3. PCI-E 3.0, what helps when going into 3-4 gpu configs.
Though really I would wait for Ivy bridge to make sure as I hear even a 3930K will slightly bottleneck tri fire 7970's while heavily overclocked.

cool, thanks for the reply.

Is PCIE 3.0 enabled though, i thought i remembered reading it needed IVY for that?
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post #9 of 34
Quote:
Originally Posted by Blindsay View Post

cool, thanks for the reply.
Is PCIE 3.0 enabled though, i thought i remembered reading it needed IVY for that?

ivy is needed for 1155
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post #10 of 34
Thread Starter 
um i have eyefinity...
meanmachine
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