GDDR6 is available—or is it?

Three fabs are producing , expect to see in AIBs later this year Although a lot of people thought the highly parallel high bandwidth 3D memory (HBM) would be the logical heir to GDDR for graphics AIBs, its price and manufacturing costs outweigh its benefits in some cases. Therefore, to be as flexible as possible, the AIB builders need the option of multiple memory types. GDDR6 is an option providing a significant performance advantage over GDD5 and GDDR5X. Figure 1 Samsung Electronics’ 16Gb GDDR6 DRAM In August 2016, Samsung announced at Hot Chips, GDDR6 would be the successor of GDDR5,