Samsung Begins Mass Production of Improved HBM2


The successor to the groundbreaking first generation "Flarebolt", the Samsung Aquabolt HBM2 will deliver a whopping 2.4 gigabits per second (Gbps) of memory per pin, making it the industry's fastest DRAM performance and paving the way for even faster calculations on the latest supercomputers, AI solutions and enabling even more powerful graphics cards to come out on the market.

Samsung didn't say when it would be supplying the new memory to partners although if it's already in mass production, one can hope that partner availability won't be too far out.

Samsung on Thursday announced it has started mass production of its second-generation 8GB High Bandwidth Memory-2 (HBM2).

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Behind the advancement in HBM2 generations is, of course, some interesting science. The company's second generation HBM2 module (also known as "Aquabolt") now features the fastest DRAM data transmission speeds to date. Using four of the new HBM2 packages in a system will enable a 1.2 terabytes-per-second (TB/s) bandwidth., which will improve overall system performance by as much as 50 percent, compared to a system that uses a 1.6 Gbps HBM2.

The 8GB Samsung Aquabolt HBM2 will also provide a massive 307 Gbps bandwidth, allowing it to achieve over 9.6 times the data transfer of its 8GB GDDR5 counterpart. Samsung said it has achieved 2.4Gbps for the first time in the industry by using its core technologies such as "signal transmission optimized designing" and "heating control". The 8GB HBM2 single packages have 8 x 8Gb HBM2 dies that Samsung vertically interconnects with over 5000 TSVs (Through Silicon Via's) per die. While using so many TSVs can cause collateral clock skew, Samsung succeeded in minimizing the skew to a very modest level and significantly enhancing chip performance in the process. This is why new memory technologies have been and continue to be developed, such as High Bandwidth Memory, HBM, with HBM2 being used in some devices today. A release date hasn't been mentioned, Samsung unveiled its predece.