AMD Radeon HD 6870 benchmark performance

When overclocking the Sapphire HD6870 we used Catalyst Control Centre.

Overclocking on reference boards indicates potential speeds a few weeks down the line when AMD partners release their own overclocked solutions with improved coolers and bios configurations.

Our overclocking tests were reasonably successful considering this is a reference cooler, although we didn't find huge overhead on the core. We were limited to 950MHz on the core and 1,140MHz on the memory.

We then wanted to run some tests with our overclocked results, settling on 940MHz core and 1,140MHz memory for the final CrossFireX settings.

The overclock results are healthy, Unigine Heaven Benchmark shows a 2fps increase in and 3DMark Vantage scales with 300 additional points when overclocked.

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