What GPU will be bottlenecked by LGA1366 i7 CPU

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cheyrn

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Jan 14, 2012
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I have 2 GTX 570 cards in SLI. Does it make sense to upgrade them to GTX 980 or is my computer too slow? If so, does it makes sense to upgrade to greater than 570 but less than 980?
 
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The machine has been quite a beast, probably 6 years ago and is pretty good even now.
Based on Firestrike results (that are not absolute but have a good search and lots of configurations):
Upgrade to 970 will increase video power ~+40%, negligible bottleneck due to the older i7 (10% performance loss compared to a latest i7)
Upgrade to 980 will increase video power ~+50%, small bottleneck (14.4% performance loss compared to a latest i7)
For single monitor gaming 970 is best. 980 price is too high, no game requires such power so far.
For 2-3 monitor gaming - 980 is worth the money.
The i7 will be good for 2 more years at least.
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mrt3

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Dec 27, 2014
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because gtx can easily defeat a 980 if over clocked slightly, with 30-40% cheaper price, less power consumption
and the sli performance of 970 is incredibly awesome, you should buy gtx 970
 
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Nikola Aslanov-1338074

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Jun 11, 2013
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The machine has been quite a beast, probably 6 years ago and is pretty good even now.
Based on Firestrike results (that are not absolute but have a good search and lots of configurations):
Upgrade to 970 will increase video power ~+40%, negligible bottleneck due to the older i7 (10% performance loss compared to a latest i7)
Upgrade to 980 will increase video power ~+50%, small bottleneck (14.4% performance loss compared to a latest i7)
For single monitor gaming 970 is best. 980 price is too high, no game requires such power so far.
For 2-3 monitor gaming - 980 is worth the money.
The i7 will be good for 2 more years at least.
 
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cheyrn

Distinguished
Jan 14, 2012
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18,510
Ok thanks. Right now most of my reason for upgrading is for video compositing. If I could get to the point where there is no perceptible delay while editing that would be very important.

But, what I use the computer for changes month to month. I do play some games but not heavily. Only 1 could make use of more GPU. My graphics cards and/or computer aren't fast enough for the ultimate settings of FFXIV, but I wouldn't pay just for that.

One video compositing program makes use of all of the cuda cores on multiple cards. I would mostly decide based on assuming programs will not use the cores from more than one card.

For the price of 2 980 cards I could buy 3 970 cards which supposedly means the video program could use almost 5000 cuda cores vs. a little more than 4000 with 2 980 cards.

I can't afford a comparable quadro card.
 
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