AMD GPUs using new HBM DRAM (and the cost/benefit appears balanced!)
June 18, 2015
AMD announced their new line of GPUs are using the new HBM (High Bandwidth Memory) DRAM technology yesterday. I have known these were coming for a while but the thing that surprised me the most was the relatively reasonable cost for the performance that they deliver – at least, the relationship between cost and benefit of adding HBM to the system appears to be almost linear.
The high-end GPU using HBM, the Radeon R9 Fury X, has a recommended price of $649 and has 512GB/s of DRAM bandwidth to 4GB of HBM DRAM connected to 4096 stream processing units. (source)
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