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Thread: AMD Radeon HD 7970 Overclocked to 1700MHz Using Liquid Nitrogen

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    Default AMD Radeon HD 7970 Overclocked to 1700MHz Using Liquid Nitrogen



    AMD’s soon to become available Radeon HD 7970 graphics card seems to be a beast of an overclocker as recently two enthusiasts have managed to increase the card’s GPU clock from the standard 925MHz, to an impressive 1700MHz.

    The graphics card, which was provided by Asus, reached this 83% GPU overclock by being cooled with liquid nitrogen and was put through a run of 3DMark Vantage.

    With the overclocked graphics core and the 3GB of GDDR5 memory working at 1980MHz (from the regular 1.375GHz) Shamino and Andre Yang, the enthusiasts behind this feat, managed to reach a score of P54725.

    Furthermore, with the Radeon HD 7970 clocked at 1700MHz core and 2000MHz on the memory they hit P15063 in 3DMark11.

    Both of these scores are truly impressive for a single-card and greatly surpass the previous world records established by Nvidia’s GTX 580 graphics card (48002 in 3DMark Vantage and 13144 in 3DMark 11).

    Outside of the Radeon HD 7970 graphics card, the rest of the system used for establishing these world records was comprised out of an Intel Core i7-3930K Sandy Bridge-E processor and of an Asus Rampage IV Extreme LGA 2011 motherboard, according to Shamino’s post on the Kingpin Cooling forums.



    The AMD Radeon HD 7970 was launched on December 22, and according to AMD the card is expected to reach retail on January 9.

    At its heat stands the Tahiti XT GPU that is based on the company’s new Graphics Core Next (GCN) architecture and includes 32 Compute Units, for a total of 2048 stream processors, that are joined by 128 texture units, 32 ROP units and a 384-bit wide memory bus.

    All the hardware logic that AMD had to cram into this GPU, makes Tahiti XT the largest graphics core ever built since it features no less than 4.31 billion transistors packed inside a 365mm2 die fabricated using TSMC’s 28nm High-K process.
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    Default

    Already posted, post all 7970 news in its dedicated thread.
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