Samsung makes big promises about big new GDDR7 RAM
Keeping graphics processors fed, whether for large language models or the latest AAA games, takes a lot of memory bandwidth. That's exactly what Samsung's GDDR7 memory module, unveiled Wednesday, claims to deliver.
Today most GPUs and accelerators used in AI/ML work use speedy albeit expensive high-bandwidth memory that's closely if not directly coupled to the graphics processor silicon. In the consumer and workstation markets, graphics double data rate DRAM chips reign in all but the lowest budget cards.of 16-gigabit GDDR7 modules, Samsung is making some bold performance and efficiency claims. The manufacturing titan says the modules are capable of delivering up to 1.
According to Samsung, these improvements in performance efficiency are down to a shift from non-return-to-zero signaling to pulse amplitude modulation – more specifically PAM3."PAM3 allows 50 percent more data to be transmitted than NRZ within the same signaling cycle," the biz claimed. On top of the performance improvements, Samsung says it's also managed to drop power consumption by about 20 percent compared to GDDR6, and plans to offer a low voltage option for power constrained products – such as laptops and tablets.
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