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Samsung Electronics has announced that it had begun sampling the industry’s first 16GB registered dual inline memory modules (RDIMMs), designed for use in enterprise server systems. The world's largest maker of dynamic random access memory (DRAM) plans to start making DDR4 modules for servers next year.

Samsung currently samples 8GB and 16GB DDR4 memory modules that are based on chips made using 30nm-class process technology and which operate at 1.2V voltage. While Samsung does not directly states clock-speed of memory modules, the company notes that by next year the DDR4 will reach twice the current 1600Mb/s of DDR3 memory, which points to 3.20GHz effective clock-speed.

Samsung sampled new 8GB and 16GB DDR4 modules in June, in addition to providing them to major CPU and controller makers. The modules will bring the highest density and performance levels to premium enterprise server systems. Samsung previously introduced the industry’s first 30nm-class 2GB DDR4 module in December, 2010.

Samsung will keep working on completion of the JEDEC (Joint Electron Device Engineering Council) standardization of DDR4 technologies and product specifications, which is expected to be accomplished by August.

“By launching these new high-density DDR4 modules, Samsung is embracing closer technical cooperation with key CPU and server companies for development of next-generation green IT systems. Samsung will also aggressively move to establish the premium memory market for advanced applications including enterprise server systems and maintain the competitive edge for Samsung Green Memory products, while working on providing 20nm-class based DDR4 DRAM in the future,” said Wanhoon Hong, executive vice president, memory sales and marketing at Samsung Electronics.

The company said it will work closely with its customers including server OEMs, as well as CPU and controller makers, to expand the market base for high-density DDR4 modules, of which it plans to begin volume production next year. It also is set to expand the overall premium memory market with its most advanced 20nm-class based DDR4 DRAM products, which will be available sometime next year at densities up to 32GB.

Tags: Samsung, DDR4, 30nm, RDIMM, Intel, Haswell, Xeon


Comments currently: 5
Discussion started: 07/03/12 05:55:48 AM
Latest comment: 07/03/12 06:10:25 PM
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BAM , quick question , if GDDR 5 is based on overclocked DDR 3

does that mean this DDR 4 new standard will allow AMD APU to have like desktop graphics power ? and remove that RAM bottleneck

0 0 [Posted by: medo  | Date: 07/03/12 05:55:48 AM]
- collapse thread

It may be a while before we see DDR4 in desktops, and DDR4 versions of GDDR, aka GDDR6. Perhaps 2014 will be the start date of acceptance of DDR4. As far seeing DDR4 in an APU, likely further down the road, perhaps 2015-1016. There will still be RAM bottlenecks, but by the time the APUs get DDR4 they may be edging close to today's desktop graphics.
0 0 [Posted by: mmstick  | Date: 07/03/12 03:02:22 PM]

DDR4 is ideally suited for servers, not desktops or laptops. See the diff at the link below.

As far as AMD Llano APUs the GPU section is only moderately constrained with DDR3 @ 1866 MHz. RAM frequency. The new Trinity desktop CPUs will be more capable in both CPU and GPU performance.
0 2 [Posted by: beenthere  | Date: 07/03/12 07:48:02 AM]
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The APUs can benefit greatly from faster memory. Even DDR3 at 1866 MHz proves a huge bottleneck for an APU due to insufficient bandwidth. A GPU with faster dedicated memory can net as much as 20+ FPS higher than an APU due to significantly higher available bandwidth.

1 1 [Posted by: DirectXtreme  | Date: 07/03/12 10:05:14 AM]

As my post above clearly states there is minimal bottlenecking once the RAM frequency reaches 1866 Mhz. There is diminishing returns even with greater bandwidth.

This quote from Anandtech's tesing sums things up nicely:

Across our seven titles we found that on average DDR3-1600 resulted in a 12.6% increase in performance over DDR3-1333 at 1024 x 768. Moving up to higher resolutions only increased the advantage by under 2%. Using DDR3-1866 showed around a 20% increase in performance.

Typical gains are 2-4 FPS when going from 1333 MHz. to 1866 MHz. So yes it's good to up the RAM frequency on Llano APUs to ~1866 MHz. but we'll have to wait to see if DDR4 brings anything tangible to the desktop/laptop table.
0 0 [Posted by: beenthere  | Date: 07/03/12 06:10:25 PM]


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