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It took over three years for DDR3 dynamic random access memory (DRAM) to take off and become dominating type of memory and it looks like it will remain on the market till at least 2015 as the debut of DDR4 is now delayed till 2014 and even with rapid ramp of the latter shipments will crossover only sometimes in 2015 (more likely later).

DDR3 in 2011 is projected to account for 89% of the 808 million DRAM module units shipped this year, up from 67% last year and 24% in 2009, according to market tracking IHS iSuppli. In comparison, the older and slower DDR2 will make up 9% of the module market in 2011, down from 29% last year. The legacy-type product of DDR will take up the remaining module shipments in the market.

With plenty of life left in it, DDR3 will see its share of DRAM module shipments actually rise during the next two years - to 92% in 2012 and to 94% the year after - before it heads down an irreversible cycle of decline that starts in 2014, when DDR4 finally enters mass production.

Originally, the DDR4 standard was supposed to be finalized in 2011 and the first production was expected to start in 2012. However, it looks like, according to iSuppli, the DDR4 got delayed by over one year; probably, due to new point-to-point topology, manufacturing complexity, high clock-speeds (~4266MHz) and other reasons. But the production ramp up of the fourth-generation double-data rate DRAM will be rapid. At present the analyst expect DDR4 to immediately garn about 12% share. By 2015, DDR4 modules are projected to take a majority share of market at 56%, compared to 42% for DDR3, out of total DRAM module shipments of approximately 1.1 billion units.

While erstwhile leader DDR2 remained at the pinnacle of the DRAM module market for approximately four years, DDR3 will enjoy a run at the top for a total of five, starting from 2010 until its projected end as the dominant force by 2014. By then, the main densities of DRAM modules also will have shifted from 1GB in 2009 to 8GB in 2015, IHS iSuppli research shows.

With DRAM technology stabilizing for the time being, a new module form factor appears ready to make an initial foray into the higher-performance world of server computers. Load-reduced LRDIMM, mainly in the form of higher densities at 16GB and up, are set to vastly increase the memory capabilities of high-capacity computing workhorses such as enterprise servers and mainframe computers. LRDIMMs will combat the problems associated with signal integrity degradation and hampered performance that start to occur at very high memory densities, with LRDIMMs allowing continued loading and increases in megabyte capacity on specialty systems.

Not compatible with older systems, LRDIMMs will only begin shipping as new computer systems are procured, appearing in the second quarter of 2011.

Tags: DDR4, DRAM, JEDEC

Discussion

Comments currently: 15
Discussion started: 06/27/11 06:01:49 PM
Latest comment: 05/20/12 11:05:21 PM
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1. 
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0 4 [Posted by: vid_ghost  | Date: 06/27/11 06:01:49 PM]
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2. 
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0 3 [Posted by: PC4LIFE  | Date: 06/27/11 07:54:24 PM]
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3. 
Aren't GDDR4 and GDDR5 based on DDR3?
3 2 [Posted by: f10exx  | Date: 06/27/11 09:17:52 PM]
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- collapse thread

 
no
gddr3 and gddr4 (graphics card memory) are based on ddr3 (pc motherboard memory)
gddr5 (graphics card memory) is based on ddr4 (pc motherboard memory)

memory technology allways comes to videocards first, so Gddr5 (what we have in video cards now) will filter down to the pc but will be called DDR4, they never used GDDR4 tech in PC motherboard memory because it is too similar to DDR3
1 2 [Posted by: PC4LIFE  | Date: 06/28/11 04:52:50 AM]
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4. 
The main downside to DDR4 is that you can't upgrade memory without replacing your modules. You're only allowed one slot per channel, and all channels have to be populated or you reduce performance, so the only way to increase memory amounts is to replace your 4GB DIMMs with 8GB and so-forth.

And yes, GDDR4/GDDR5 are based on DDR3, GDDR3 is based on DDR2. See Wikipedia.
2 1 [Posted by: Alereon  | Date: 06/27/11 10:10:49 PM]
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- collapse thread

 
show the post
0 4 [Posted by: seronx  | Date: 06/27/11 11:17:03 PM]
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show the post
1 4 [Posted by: Harry Lloyd  | Date: 06/28/11 03:39:33 AM]
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With an IGP, increased memory bandwidth has benefits even today.

IGP result link
http://www.anandtech.com/...top-performance-preview/3

with an AMD A8-3850, going from DDR3-1333 to DDR3-1866 gives you upto 29% more performance.

IGP performance will increase faster than memory bandwidth.

Even with discrete cards, you see benefits:
http://www.xbitlabs.com/a...-bridge-ddr3_7.html#sect0
0 1 [Posted by: uibo  | Date: 06/28/11 02:17:34 PM]
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5. 
gddr changes faster bacause you just buy the whole package, while ddr 4 isn't backward compatible. you buy a whole GPU whit the newer memory and you can fit it in every version of PCIe. but whit the DDR4 you need to buy a new motherbourd + a new cpu. so it is far more costly if they could only make it backward compatible than it would be able to change faster.
1 1 [Posted by: massau  | Date: 06/28/11 03:30:08 AM]
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6. 
So maybe with DD4 in 2015 we will see computer games that have a realistic damage modelling, where a bullet makes a hole instead of just killing hitpoints?
0 1 [Posted by: TeemuMilto  | Date: 06/28/11 10:14:41 AM]
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7. 
MRAM will completely change memory as we know it. Problem is it's been years of slow research and and development. Who knows when it will debut on the consumor market.
0 1 [Posted by: SteelCity1981  | Date: 06/28/11 03:03:17 PM]
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- collapse thread

 
Research and development is an euphemism for not letting it ruin our DDR profits.
0 1 [Posted by: TeemuMilto  | Date: 06/29/11 09:35:40 AM]
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8. 
Ideas that are easier to implement with point-to-point make it into the GDDR# specs well before system DDR modules because it doesn't have to be generic. The GPU designers worker closer with the few GDDR suppliers and qualify the devices for a limited number of suppliers, speeds and configurations. There is no sockets and the user isn't changing the RAM and mixing devices; these complicate DDR# specs. Certain DDR3 & DDR4 features have been around long before actual release. GDDR# is much more proprietary in implementations.
The real future is to build ALU's, FPU's & GPU cores into larger RAM modules. You then build the system with a network of modules plugged into sockets. Buy extra modules to add processing and memory as you go to build a bigger computer. This could get around some of the current limitations but cores would be further apart (larger latency & lack of shared cache) to then overcome.
0 1 [Posted by: tygrus  | Date: 06/29/11 06:40:41 AM]
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9. 
this site is unreliable and this information is false. DDR4 has already been released, is in testing stages, and is expected to mainstream in 2012 to 2013. hardware at major computer manufacturers is already being built to accustom the new ddr4. i work at HP and have been testing DDR4 for over 6 months already on the new hardware. of course that's why i have to remain anonymous because i signed an NDA and i'm not technically allowed to talk about this and I could be fired. but i hate seeing lies on the internet from stupid people who just make things up and make a blog post about it.
0 0 [Posted by: asgasdf  | Date: 05/16/12 01:22:50 AM]
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10. 
LRDIMMs are at end-of-life – they are going to be supplanted by Netlist (stock symbol: NLST) HyperCloud – which are already selling through IBM and HP now (called HCDIMM and HDIMM respectively).

LRDIMM are only made by Inphi currently – and Inphi has experienced a shock in it’s patent challenge of NLST. All claims in NLST patents ’537 and ’274 have survived reexam – which is going to make NLST vs. Inphi problematic.

LRDIMMs are also at end-of-life because of their choice of asymmetrical lines/centralized buffer. Have worse latency as well.

Instead DDR4 is looking more and more like NLST HyperCloud – and looks like will be licensed for DDR4 (see article “Netlist puffs HyperCloud DDR3 memory to 32GB – DDR4 spec copies homework”).

Netlist says they will be the first proprietary standard which will be adopted by the industry – for DDR4.
0 0 [Posted by: DDR4standard  | Date: 05/20/12 11:05:21 PM]
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