New Memory OC Record of DDR3-3900 Set

btarunr · Nov 13, 2012, 05:55 AM

Swiss overclocker Christian Ney set a new memory OC record, clocking in at 1950.3 MHz (actual), 3900.6 MHz DDR. The record was made possible (apart from great skills), by G.Skill F3-2666C11-4GTXD 4GB DDR3-2666 MHz memory, AMD A8-3870K APU, Gigabyte A75-UD4H motherboard, and a liquid nitrogen pot made by K|ngp|n Cooling. A top performing memory module was picked from nearly a dozen modules. The 1950.3 MHz DRAM clock was supported by timings of 14-14-14-36. DRAM voltage is kept under the wraps. The CPUID and HWBOT validations can be found here, and here.

Source: OCaholic

Jstn7477 · Nov 13, 2012, 06:02 AM

That APU must have enjoyed all that memory bandwidth. I'm looking forward to the day when we have much faster RAM to make APUs with beefier graphics processors a reality.

james888 · Nov 13, 2012, 06:48 AM

Pardon my ignorance, but besides apu's... what uses does super fast ram like this have?

HumanSmoke · Nov 13, 2012, 07:00 AM

Quote:

Originally Posted by james888

Pardon my ignorance, but besides apu's... what uses does super fast ram like this have?

This might give a reasonable answer to your question. The article (and the link within it to a previous article) give a pretty good overview of RAM in general.

And a review of this particular G.Skill Trident 2666C11 kit

[H]@RD5TUFF · Nov 13, 2012, 08:10 AM

very impressive!

james888 · Nov 13, 2012, 08:23 AM

Quote:

Originally Posted by HumanSmoke

This might give a reasonable answer to your question. The article (and the link within it to a previous article) give a pretty good overview of RAM in general.

And a review of this particular G.Skill Trident 2666C11 kit

No. I still don't really get it. I know memory is the buffer to the cpu, so you are able to feed the cpu faster. 8 logical cores doesn't seem to need that extra speed much. The benchmark showed pretty minimal increases in most aspects. So high loaded cpu's could use a bit faster ram. I could see a 64 core server setup needing fast ram.

Live OR Die · Nov 13, 2012, 11:45 AM

Poo paper :P

cdawall · Nov 13, 2012, 02:57 PM

Interesting not normal for AMD to take memory overclocking feats

3870x2 · Nov 13, 2012, 02:58 PM

I have never overclocked my ram, and have only changed ram settings for stability issues when overclocking the CPU.

I don't believe there are enough gains for me to spend that kind of time.

cdawall · Nov 13, 2012, 03:03 PM

Quote:

Originally Posted by 3870x2

I have never overclocked my ram, and have only changed ram settings for stability issues when overclocking the CPU.

I don't believe there are enough gains for me to spend that kind of time.

Depends what you are doing. In an APU there are huge gains to be made. Even on a normal CPU depending on the game you can gain a FPS or so with some good ram. No one is saying go buy a $300 memory kit if you know how to shop you can get 2400-2800mhz ram out of a $50-60 kit.

Steevo · Nov 13, 2012, 03:03 PM

Memory bandwidth increase VS latency increase is what makes the real difference. I want to see the features of the DDR5, specifically link training and error correction implemented sooner in memory sticks.

Prima.Vera · Nov 13, 2012, 03:36 PM

Ddr5 ???

)

wteSmithy · Nov 14, 2012, 12:03 AM

Quote:

Originally Posted by Prima.Vera

Ddr5 ???

)

Remember that GDDR5 is totally different and not comparable with DRAM.

I read reports that DDR4 standards have been approved and we can look forward to speeds from 2133MHz ~ 4600MHz.

Quote:

SEPTEMBER 25, 2012 –JEDEC Solid State Technology: The new DDR4 standard is available for free download from the JEDEC website at http://www.jedec.org/standards-docum...esd79-4%20ddr4.

Aquinus · Nov 14, 2012, 12:22 AM

Quote:

Originally Posted by wteSmithy

Remember that GDDR5 is totally different and not comparable with DRAM.

I read reports that DDR4 standards have been approved and we can look forward to speeds from 2133MHz ~ 4600MHz.

Yeah, I know that I've know about JEDEC finalizing the spec for DDR4. We won't start seeing it in the consumer market until at least this time next year. Better start saving for that rig.

dude12564 · Nov 14, 2012, 12:25 AM

Quote:

Originally Posted by Aquinus

Yeah, I know that I've know about JEDEC finalizing the spec for DDR4. We won't start seeing it in the consumer market until at least this time next year. Better start saving for that rig.

Yep, Intel announced no DDR4 support for Haswell, unless AMD decides to go for that.

Aquinus · Nov 14, 2012, 12:26 AM

Quote:

Originally Posted by dude12564

Yep, Intel announced no DDR4 support for Haswell, unless AMD decides to go for that.

Server market, Haswell-EX might. Like I said though, we will be waiting a little while.

dude12564 · Nov 14, 2012, 12:39 AM

Quote:

Originally Posted by Aquinus

Server market, Haswell-EX might. Like I said though, we will be waiting a little while.

Right. Should be nice to see.

NeoXF · Nov 15, 2012, 02:26 PM

Quote:

Originally Posted by james888

Pardon my ignorance, but besides apu's... what uses does super fast ram like this have?

Packing/unpacking... besides that... almost nothing else makes a palpable difference, especially on Intel SB/IB CPUs.

DDR4's channel-per-DIMM slot thing... and it's sheer speed improvement to begin with, should solve most of what APUs need... also, if AMD implements some of that shared L4 memory Intel wants for Haswell's HD 5000 (?)... unified access to the memory controller should also speed things up. Either way, I love the direction AMD (& Co.) is taking with the APU thingy.

Nov 13, 2012, 05:55 AM	#1
btarunr Editor & Senior Moderator Join Date: Oct 2007 Location: Hyderabad, India Posts: 14,983 (7.29/day) Thanks: 788 Thanked 12,911 Times in 5,655 Posts System Specs	New Memory OC Record of DDR3-3900 Set Swiss overclocker Christian Ney set a new memory OC record, clocking in at 1950.3 MHz (actual), 3900.6 MHz DDR. The record was made possible (apart from great skills), by G.Skill F3-2666C11-4GTXD 4GB DDR3-2666 MHz memory, AMD A8-3870K APU, Gigabyte A75-UD4H motherboard, and a liquid nitrogen pot made by K\|ngp\|n Cooling. A top performing memory module was picked from nearly a dozen modules. The 1950.3 MHz DRAM clock was supported by timings of 14-14-14-36. DRAM voltage is kept under the wraps. The CPUID and HWBOT validations can be found here, and here. Source: OCaholic

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Nov 13, 2012, 06:02 AM	#2
Jstn7477 Join Date: Aug 2009 Location: Sarasota, Florida, USA Posts: 3,139 (2.30/day) Thanks: 388 Thanked 1,193 Times in 805 Posts System Specs	That APU must have enjoyed all that memory bandwidth. I'm looking forward to the day when we have much faster RAM to make APUs with beefier graphics processors a reality. __________________ Intel Crunchers (27 threads): 2x 3770K 4.3G (14t), 2600K 4G (7t), X3210 (3t), P-M 735A, P4 HT 3G AMD Crunchers (11 cores):1100T 3.6G (3t), 1045T 3.4G (2t), X3 8550 2.5G, X2 4200+, T64 ML-37 AMD Folders (6272 GCN cores): 2x 7950 1125/1475, 7970 1150/1650, 7770 1100/1200 NV Folders (2336 GF10x + 1344 GK104 cores):GTX 470 & 465 720/1715, 4x 460 768MB 825/2000, GTS 450, 660Ti 1228/6000 HEATWARE

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Nov 13, 2012, 06:48 AM	#3
james888 Join Date: Jun 2011 Location: Idaho Posts: 2,282 (3.27/day) Thanks: 457 Thanked 429 Times in 320 Posts System Specs	Pardon my ignorance, but besides apu's... what uses does super fast ram like this have? __________________ My Heat Natural Selection 2 (NS2) - FPS/RTS with depth. Link. Studios and publishers seem to have forgotten that games are supposed to be games, not CG films with playable action scenes. Link.

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Nov 13, 2012, 08:10 AM	#5
[H]@RD5TUFF Eligible for custom title Join Date: Nov 2009 Location: San Diego, CA Posts: 5,589 (4.34/day) Thanks: 1,825 Thanked 1,710 Times in 1,431 Posts System Specs	very impressive! __________________ Stuff 4 Sale! Heat Ware ebay

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Nov 13, 2012, 11:45 AM	#7
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Nov 13, 2012, 02:57 PM	#8
cdawall where the hell are my stars Join Date: Jul 2006 Location: some AF base Posts: 16,027 (6.42/day) Thanks: 457 Thanked 2,755 Times in 2,224 Posts System Specs	Interesting not normal for AMD to take memory overclocking feats __________________

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Nov 13, 2012, 02:58 PM	#9
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Nov 13, 2012, 03:03 PM	#11
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Nov 13, 2012, 03:36 PM	#12
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