AMD Radeon 6990 4GB Graphics Card Review

An Even Closer Look
As said earlier, the cooler on the card features a central fan design to give maximum airflow across the two GPUs that the 6990 incorporates. The design of fan has been seen on the rest of the 6900 series and is an efficient way of keeping the card cool.

The underside of the cooler shows the two copper plates that make contact with the GPUs and many thermal pads can be seen that aid in cooling the memory chips on the card.

The back-plate has two clamp bracket spaces and many screw points to enable a perfect fit to the card, thus giving the best cooling available. It also has a few thermal pads to cover the memory chips that are on the rear of the card.

The bare card shows a view of the two GPUs as well as the controller chip in the middle which connects the two GPUs together to output as one monster of a card.

The rear of the card without its casing shows a brown PCB design and exposes some of the memory chips as this card does include a whopping 4GB of GDDR5 memory.

The PCI-Express controller chip still brands the ATI name and acts as a bridge for the card to harness the power of the multiple GPUs through the PCI-Express 2.1 x16 interface and is the same chip seen on the 5970 graphics card.

The memory chips are manufactured by Hynix and include the following codes; H5G02H24MFAT2C. These memory chips run at 1250MHz (5000MHz) to give the best possible performance but can also be overclocked if you so wish.

The GPUs feature the AMD logo and is part of the Cayman set of cores which is built on a 40nm process and uses around 2.64 billion transistors.