Samsung talks about 8 Gigabit LPDDR5 DRAM

17 July, 2018, 19:52 | Author: Sammy Rose
  • Samsung announces first 8Gb LPDDR5 DRAM chip for mobile devices

Samsung has successfully tested and validated its prototype 8GB LPDDR5 DRAM package with its partners.

Earlier this year Samsung started making GDDR6 memory chips on a “10nm class” process for graphics cards and now the foundry is cranking out the industrys first 8 gigabit LPDDR5 chips for next-gen phones. Since bringing the first 8Gb LPDDR4 to mass production in 2014, Samsung has been setting the stage to transition to the LPDDR5 standard for use in upcoming 5G and Artificial Intelligence (AI)-powered mobile applications.

"This development of 8Gb LPDDR5 represents a major step forward for low-power mobile memory solutions", said Jinman Han, a senior vice president at Samsung.

Compared to devices that use LPDDR4X chips, the 8GB LPDDR5 DRAM module offers a data rate which is up to 1.5 times faster.

The latest addition to Samsung's premium DRAM lineup joins the 10nm class 16GB GDDR6 DRAM which has been in volume production since December 2017.

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These chips promise transfer rates of up to 6,400Mbps, a 50% improvement over the current top chips – LPDDR4X at 4,266Mbps. Most, if not all, mobile devices such as smartphones, tablets, and Ultrabooks, employ some sort of low-power DDR (LPDDR) memory. The company was able to achieve this performance advancement by doubling the number of memory subdivisions within a DRAM cell from eight to 16.

While the announcement comes with the usual promises of "improved performance" and "reduced power consumption", there is some technical basis for those.

These power saving attempts will supposedly decrease power consumption by up to 30 percent, and in the long run, help increase the the battery life of future smartphones. There is also a feature called "deep sleep mode", which cuts the power usage to approximately half the "idle mode" of the current LPDDR4X DRAM.

More speed is surely a good thing in general, but it should be especially good at powering AI and machine learning, and it's also UHD-compatible.

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