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Sapphire HD7770 1GHZ Overclock Edition Review

The tests were performed in a controlled air conditioned room with temperatures maintained at a constant 24c – a comfortable environment for the majority of people reading this.

Idle temperatures were measured after sitting at the desktop for 30 minutes. Load measurements were acquired by playing Crysis Warhead for 30 minutes and measuring the peak temperature. We also have included Furmark results, recording maximum temperatures throughout a 30 minute stress test. All fan settings were left on automatic.

The cooler on this card improves upon the reference design, maintaining load temperatures around 57c during gaming. The large fan only has to spin at around 1,600rpm in Furmark to maintain these temperatures which would verify the low noise levels on the last page.

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