Report: Nvidia To Use GDDR5X On Next-Gen Pascal Based GPUs
Ever since it was rumored that Nvidia’s flagship 900 GPU series, even the GTX 980Ti was incapable of providing DX12 support at a hardware level, people have been eagerly anticipating what their upcoming Pascal architecture would bring to the table. It was even rumored last month that Nvidia has begun testing on Pascal GPUs and they might be released sometime in the middle of 2016.
To add more fuel to this fire, there are now even more rumors floating around that the company is not only testing out the high end GP100 card but also the GP104 (Nvidia uses these names for the GPU architectures; the GTX 980 and 970 is powered by GM204 while Titan X and 980Ti are powered by GM200).
Just like with the GM series, the GP100 will be used on the most powerful Pascal series GPUs while the GP104 will most probably be reserved for mid-high tier cards in the series.
The latest rumor has it that there will be a next gen version of GDDR5, called GDDR5X and will be debuting with Nvidia’s next gen GPU. GDDR5X will reportedly continue on with the 256-bit memory interface like on the GTX 980 but will increase the memory bandwidth of 448GB/sec.
AMD’s HBM powered cards however still seem to be a better choice than GDDR5X in terms of performance so perhaps it is possible that Nvidia will adopt both architectures in the future, HBM/HBM2 for enthusiast class GPUs while GDDR5X for mid-high tier Pascal ones.
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