AMD Radeon HD 7990 6GB Malta Video Card Review

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Overclocking The 7990

To take a quick look at overclocking we fired up AMD Catalyst Control Center and used AMD Overdrive to overclock both the mighty AMD Radeon HD 7990 6GB ‘Malta’ video card.

amd-overdrive

The AMD Radeon HD 7990 6GB comes clocked at 1000MHz on the core and 1500MHz on the memory. You can go up to 1100MHz on the core and 1575MHz on the memory in AMD OverDrive.

amd-overdrive-oc

We were easily able to overclock the Radeon HD 7790 to 1100MHz on the core and 1575MHz on the memory. The card was rock solid in games and we tried the power control settings at various percentages with no issues.

amd-overdrive-oc-gpuz 

Let’s take a look at some Futuremark 3DMark11 on the performance preset to see how the overclock helped performance.

AMD Radeon HD 7990 at 1000MHz core and 1500MHz memory:

stock-3dmark

AMD Radeon HD 7990 at 1100MHz core and 1575Hz memory:

oc-1

Something isn’t right here!  The score went from P15225 to P15242 with a 100MHz overclock on the core? We let AMD know this and the had no answer.

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