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Discussion on Article:
Clarkdale and High-Speed DDR3 SDRAM: Does It Make Any Sense?

Started by: Testy01 | Date 07/26/10 05:50:38 PM
Comments: 49 | Last Comment:  10/22/16 09:51:01 AM


Thats all well and good, but how about comparing the still common C2D's (E8400, E8500) to the Clarkdale i5's and letting us ordinary people know if the advantages outweigh the expense.
Or maybe Intel wants us to upgrade just for the sake of their bottom line.
0 0 [Posted by: Testy01  | Date: 07/26/10 05:50:38 PM]

C2D E8400 has typically about 6GB/s with 2xDDR2 800MHz. It should be closer to the 10GB/s of the FSB.

I would question whether it was the memory controller itself or it's placement.

The QPI link between CPU core and the integrated NB (GPU & memory controller etc.) is a major limiting factor ~12GB/s in each direction. This is similar to the 10GB/s seen is some tests. i7 quad-core with triple-channel DDR3 controller (on die) does not use the QPI to access RAM and thus has >30GB/s connection with the memory controller.

0 0 [Posted by: tygrus  | Date: 07/28/10 12:51:41 AM]

Thanks for addressing issues that concern guys like me who use audio workstations.
Since I have 1U audio rack, and a 1U DSP rack the lack of the video cards allow such small portable builds now.
But I haven't made a purchase because of my concerns with the QPI latency.
Can I correct the slower access of the QPI by using lower CAS settings like CAS6...?

0 0 [Posted by: dawman  | Date: 07/29/10 11:07:44 AM]

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0 0 [Posted by: umamiaram  | Date: 10/22/16 09:49:43 AM]

0 0 [Posted by: umamiaram  | Date: 10/22/16 09:50:33 AM]

0 0 [Posted by: umamiaram  | Date: 10/22/16 09:51:01 AM]


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