HIS HD 5870 iCooler V Turbo review

Overclocking the cards properly mean we need to look elsewhere for software and although ATI supply Overdrive within the driver it does not always allow us to crank the card to the maximum speeds we can achieve. We used the combination of MSI Afterburner and AMD GPU Clock tool which means we can enhance both clock speeds and increase the fan speeds of the card.

We were very pleased to see decent headroom from the HIS card – an increase of 105mhz on the core with memory now running at an effective 5600mhz. With this overclock it is important to check temperatures – we retested by running Crysis Warhead at Enthusiast settings for 30 minutes.

Temperatures rose by 8c under load which is not bad considering the overclocked speeds.

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