VisionTek Killer HD 5770 Combo Graphics-Network Card Review

Room ambience in our labs is kept to 23c with air conditioning to ensure accurate results.

To stress test we run Crysis at Mainstream settings and then use Furmark. Furmark is a synthetic test and not really indicative of ‘real world’ conditions but it is interesting nonetheless.

The temperatures are fantastic, with the card idling under 40c and peaking at 51c when gaming.

Return to ambient is a feature we have recently added to our reviews … we measure the time it takes for a solution to return to idle temperatures, immediately after full load. The faster the time, the better the cooler – for example a Noctua NH D14 cooler will return an Intel processor to idle temperatures much faster than a reference cooler. This is a good indication of how quickly a heatsink can dissipate heat.

17 seconds for the cooler to return the core to idle temperatures, after 30 minutes of running Furmark under stress testing, great results. When gaming this would be faster, as the load temperature is 7c less.

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