Samsung begins mass production of 2nd-generation HBM2 memory


Samsung has announced that it has started producing its second generation 8GB High Bandwidth Memory-2 (HBM2) that boasts the fastest data transmission speed on the market today.

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. "We will continue to reinforce our command of the DRAM market by assuring a stable supply of HBM2 worldwide, in accordance with the timing of anticipated next-generation system launches by our customers".

Samsung's new 8GB HBM2 chips packing 2.4Gbps of bandwidth at just 1.2V means we have close to 50% additional performance compared to their first-gen HBM2 packages which featured just 1.6Gbps per pin at 1.2V and 2.0Gbps at 1.35V. As Samsung highlights, using four of the new HBM2 packages in a system will enable 1.2 terabytes-per-second (TBps) of bandwidth. The new hardware, dubbed Aquabolt, is intended for use in next-generation supercomputers, AI solutions and graphics system. The company's second generation HBM2 module (also known as "Aquabolt") now features the fastest DRAM data transmission speeds to date. 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". A single 8 GB HBM2 package is made using eight vertically interconnected 8 Gb HBM2 dies.

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In order to hit 2.4Gbps data rate at rather impressive 1.2V, Samsung had to minimize the collateral clock skew by applying some new TSV technologies. Furthermore, the firm's engineers implemented a design with an increased number of thermal bumps between the dies - providing greater thermal control.

Samsung used a few new technologies for the design of the new memory. A release date hasn't been mentioned, Samsung unveiled its predece.