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Old 10-28-2013, 03:18 PM   #1
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Default GPU Core Clock Performance

Hey everyone, in the near future I am planning on upgrading to two r9 280x's in crossfire, but while I was check out the cards on scan.co.uk, some of the cards had a different core clock (higher or lower) and I was wondering how much of a performance difference a card, for example with a core clock of 850MHz would have compared to a card with a 1000MHz core clock?


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Old 10-29-2013, 02:10 AM   #2
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Default Re: GPU Core Clock Performance

Depending on the game, if it is about games, it could be nothing up to max 8-10fps, and that's if you were lucky enough. I got this result overclocking my GTX 480 and got artifacts, which you shouldn't, if the overclocking is factory set.

If the price difference is not much, get the higher clock.

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Old 10-29-2013, 05:48 AM   #3
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Default Re: GPU Core Clock Performance

The cards with the 1000mhz clock is just pre overclocked. you can overclock the 850mhz version to 1000 as well if you want.
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