NVIDIA Tesla K20X Features 2688 Cuda Cores and 6 GB Memory
NVIDIA announced its Tesla K20 early this year which was the company's first HPC GPU based on the latest GK110 Core architecture. With only 13 SMX units enabled on the core, it was well known that a faster variant would come out soon known as the Tesla K20X which is currently being used in ORNL's Titan Supercomputer.
Tesla K20X - 14 SMX & 6 GB Memory
It was previously thought that the Titan supercomputer might be using the GK110 Tesla K20 part but reports now mention the world's fastest supercomputer to be using the Tesla K20X which has 14 SMX enabled bringing its core count to 2688 Cuda's and boasting a 6 GB GDDR5 memory.
NVIDIA's Tesla K20X brings the double-precision performance to 1.31 TFlops and around 4 TFlops single-precision performance. Its overall performance is around three times more than its predecessor, the Tesla M2090 which was launched back last year. The TDP of the card remains at 225W and it still has a similar dual slot cooler.
Its unknown though whether NVIDIA would sell the card to the HPC sector or leave that to the K20 for now. A faster 15 SMX version with 2880 Cores may appear as an successor to the Tesla K20 next year but no details on that part are available yet. For the consumer market, NVIDIA rounded off their Kepler 600 series lineup last month and would now focus on the GeForce 700 series. Plans of GK208 and similar chips in development is already underway.
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