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Are ATI and NVIDIA Running in the Same Race?
by ratbuddy
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Matt (mdcomp)
by ratbuddy
Now that several outlets have released both the performance numbers for the ATI HD 5870 (see Anandtech, Tom’s Hardware and [H]ardOCP) and the official specifications for the Fermi, we can draw some conclusions regarding their expected performance.
Despite having double the Stream Processors (SPs) as compared to the HD 4870 (1600 vs. 800), the HD 5870 does not perform 2x faster. It runs neck and neck with the 4870X2 which also sported 1600 SPs, although on two separate GPUs. On the memory front, there is roughly 30% more bandwidth available to the HD 5870 compared to the HD 4870. All in all, decent improvements, and about as expected for a GPU that is essentially a 4870X2 on a single die. Yes, there are DX11 instructions and other tweaks, but the HD 5870 only offers minor performance gains in the latest games.
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Discuss this article below. If you are interested in contributing to the front page (www.overclockers.com), please feel free to contact me.
Thanks,
Matt (mdcomp)
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