4% is about the highest overclock you will get on the RX 480 without undervolting and increasing the power limit, so it doesn't surprise me you weren't able to get higher.
Trying The Experimental Radeon RX 480 Overclocking With AMDGPU OverDrive Isn't Going So Well
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note1: This all only applies to the AMD rx480 reference design card with the release firmware. An updated firmware could redistribute the current, so that the PCIe standard is met.
Originally posted by anolting View PostThe rx 480 takes an average of 83 up 88 watts which is more than specified for PC I express.
So, there is no real problem except that it is of course stupid to not meet the standard requirements. But who knows what AMD decision makers were thinking...
Originally posted by anolting View PostOvercloking can destabilize the main board which can lead to instability at all.
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Originally posted by mibo View PostSo, there is no real problem except that it is of course stupid to not meet the standard requirements. But who knows what AMD decision makers were thinking...
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Originally posted by mibo View Postnote1: This all only applies to the AMD rx480 reference design card with the release firmware. An updated firmware could redistribute the current, so that the PCIe standard is met.
There are Windows games where the rx480 draws more than the standardised 5.5A over the 12V line of the PCIe connector. This connector can handle much more than double the current without any problem. On the mainboard the 12V line is just connected to the 24pin ATX connector to the power supply.
So, there is no real problem except that it is of course stupid to not meet the standard requirements. But who knows what AMD decision makers were thinking...
Yes, oc can lead to instabilities. That has always been true.
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Originally posted by anolting View Post
Sorry this not nonsense. The rx 480 takes an average of 83 up 88 watts which is more than specified for PC I express. Overcloking can destabilize the main board which can lead to instability at all.
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Originally posted by bug77 View Post
Not if the Windows and Linux drivers don't check the same things and limits.
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Originally posted by anolting View Post
Sorry this not nonsense. The rx 480 takes an average of 83 up 88 watts which is more than specified for PC I express. Overcloking can destabilize the main board which can lead to instability at all.
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