AMD Radeon HD 7990 Surfaces; Specs Confirmed
The AMD Radeon HD 7990 codenamed “New Zealand” has surfaced, with TechPowerUp having posted an image of the reference design along with a GPU-Z screen cap of the graphics card’s specifications. In an interesting twist, it seems AMD will be losing the blower-style cooler seen on the Radeon HD 6990 and replacing it with a design that looks to be borrowed from NVIDIA’s GTX 590. The fan AMD will be using in the design looks to be the same 70mm fan seen on the previously released HD 7850 and HD 7770. The idea behind it is a fan blowing air down on to the two seperate heatsinks is quieter then the central blower design used previously. The Radeon HD 7990 itself will sport 2x “Tahiti XT” GPUs clocked at 1 GHz and carries the “GHz Edition” badge. Overall the HD 7990 looks to be a dual GPU monstrosity, coming with 4096 stream processors clocked at 1 GHz, and 6GB of GDDR5 memory (3GB per GPU) clocked at 1250 MHz. The card will be powered by two 8-pin PCIe power connectors and comes with one DL-DVI and four mini-DP output connectors. The AMD Radeon HD 7990 6GB will launch April 17th at US $849.
The picture reveals the card to be fairly long. AMD chose a fancy PCB number to denote “leeeet” (elite), it did a similar word-play with “AUSUM”, around the HD 6990. The card is using an AMD-rebadged PLX PEX8747 PCI-Express 3.0 48-lane bridge chip, which features “broadcast” features that makes it fit for dual-GPU graphics cards. Moving on to specifications, the HD 7990 features 1 GHz core clock speed, with 1250 MHz memory. The card has a total of 6 GB GDDR5 memory, 3 GB per GPU. It features completely-unlocked 28 nm “Tahiti XT” GPUs, with 2048 stream processors. It draws power from two 8-pin PCIe power connectors. Display outputs include one dual-link DVI, four mini-DisplayPort connectors. Slated for a “hard-launch” on April 17, AMD’s Radeon HD 7990 6 GB “New Zealand” will target a price-point of US $849.
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