XFX HD7770 Black Edition S Crossfire & HD7750 DD 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 HD7750 DD is the coolest running HD7750 we have reviewed to date, peaking at 47c when gaming ! The HD7770 BE S is only a single degree cooler than the reference solution we have here, although the noise emissions (as noted on the previous page) are significantly lower.

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