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posted by on Monday May 01 2017, @12:01PM   Printer-friendly
from the faster-is-better dept.

SK Hynix is almost ready to produce GDDR6 memory with higher than expected per-pin bandwidth:

In a surprising move, SK Hynix has announced its first memory chips based on the yet-unpublished GDDR6 standard. The new DRAM devices for video cards have capacity of 8 Gb and run at 16 Gbps per pin data rate, which is significantly higher than both standard GDDR5 and Micron's unique GDDR5X format. SK Hynix plans to produce its GDDR6 ICs in volume by early 2018.

GDDR5 memory has been used for top-of-the-range video cards for over seven years, since summer 2008 to present. Throughout its active lifespan, GDDR5 increased its data rate by over two times, from 3.6 Gbps to 9 Gbps, whereas its per chip capacities increased by 16 times from 512 Mb to 8 Gb. In fact, numerous high-end graphics cards, such as NVIDIA's GeForce GTX 1060 and 1070, still rely on the GDDR5 technology, which is not going anywhere even after the launch of Micron's GDDR5X with up to 12 Gbps data rate per pin in 2016. As it appears, GDDR6 will be used for high-end graphics cards starting in 2018, just two years after the introduction of GDDR5X.

Previously: Samsung Announces Mass Production of HBM2 DRAM
DDR5 Standard to be Finalized by JEDEC in 2018


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  • (Score: 2) by takyon on Monday May 01 2017, @10:40PM

    by takyon (881) <takyonNO@SPAMsoylentnews.org> on Monday May 01 2017, @10:40PM (#502547) Journal

    Some other observations is that the GDDR5X is designed to operate on 1.35 V. That is a voltage level with a very thin noise margin.

    FTA:

    The company is also stating that GDDR6 will have a 10% lower operating voltage than GDDR5, though they don't specify if that's relative to the low voltage (1.35 V), standard (1.5 V) or high frequency (1.55 V) version of GDDR5.

    Therefore voltage for GDDR6 will likely fall somewhere between 1.2 V and 1.4 V.

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