MSI R5870 Lightning Review

The cooler on this card seems substantial and with a dual fan configuration we would like to see good temperatures even with the overclock. We measure temperatures with diodes and our Raytek Laser Temp Gun 3i LSRC/MT4 Mini Temp gun for verification. Room ambience in our labs is kept to 25c with air conditioning to ensure accurate results.

To stress test we run Crysis at Enthusiast settings at 2560×1600 and then use Furmark. Furmark is a synthetic test and not really indicative of ‘real world' conditions but it is interesting nontheless.

We also checked out temperatures with our massive manual overclocks from the previous page.

When we manually overclock the card to its limits we notice around 7-8c increases to the temperatures as well as a 15% increase on the fan speeds. The cooler is clearly doing a very good job.

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