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Why my friend with same GPU (core/memory clock) does 67fps and I 56fps in Unigine Heaven 4.0?

post #1 of 5
Thread Starter 
Hey guys, I have an i7 2600k@4.4Ghz and GTX 780 at 1097Mhz/3000Mhz using 331.40 Windows 8.1 Pro I made 56.6fps in Unigine Heaven 4.0 benching at the same config., right here:



My friend with i7 3770k@4.4Ghz and GTX 780 at the same clocks (1097/3000Mhz) using the same driver and OS (331.40 and Win 8.1 Pro) made 67fps.

Why are our scores so different? And with 3DMark 11 our score performed about the same, I think that little difference is because the PCI-EX 3.0:

Mine:



His:



But I'm wondering why in Heaven 4.0 our scores were so different kookoo.gif

Also in Battlefield 4 Beta he got 10fps more than me with his EVGA reference card at stock (1019Mhz max boost). Again, using same OS and same driver version.

This is driving me crazy, I'm starting to think my GPU is perfoming much lower than it should.

Any help I would be glad, thanks! thumb.gif
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post #2 of 5
Your friends CPU's architecture is faster.
post #3 of 5
the 3770k is ahead of the 2600k not by much but it matters. also pci-e 2.0 to 3.0 is a good 1% difference.

most likely the 3770k gives him a edge over you and his card boost differently.
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post #4 of 5
His CPU is faster than yours, although I don't think Heaven is CPU bound. Battlefield certainly can be though . Any chance you can try out his card in your system to see if anything changes ? Also presume your card is being kept under whatever temp limit you set to stop it downclocking itself ?
    
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post #5 of 5
Thread Starter 
Quote:
Originally Posted by erocker View Post

Your friends CPU's architecture is faster.

I know but Heaven 4.0 is not CPU bound, it depends all of GPU if there is no bottleneck, and both our processors are not the problem

Quote:
Originally Posted by Takla View Post

the 3770k is ahead of the 2600k not by much but it matters. also pci-e 2.0 to 3.0 is a good 1% difference.

most likely the 3770k gives him a edge over you and his card boost differently.

No, he ran at the same boost/memory clock, same driver, same OS, 57fps to 67fps is TOO MUCH difference
Quote:
Originally Posted by Deano12345 View Post

His CPU is faster than yours, although I don't think Heaven is CPU bound. Battlefield certainly can be though . Any chance you can try out his card in your system to see if anything changes ? Also presume your card is being kept under whatever temp limit you set to stop it downclocking itself ?

I can't test because we don't live close, but mine and his GPU are not downcloking
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