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I3 2100 Lower than expected memory performance

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March 3, 2012 10:19:15 PM

Hi,

Running Intel i3 2100 on Asus P8H61-M LE CSM with 2x2GB Patriot Sector 5 1333. Getting WEI Windows Experience Index of 5.3. Expected more since I'm getting 7.1 with P45/E8500 C2D. Is this normal? CPU-Z tells me the memory is running at the correct speed. Could ya'll post some WEI numbers for memory on i3 2100, or some other memory benchmarks?

link: http://www.microcenter.com/single_product_results.phtml...

thanks
a b } Memory
March 3, 2012 10:29:27 PM

Windows Experience Index rates it based on the lowest score check which one of the 5 components scored the least its probably primary HDD,so check it
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March 3, 2012 10:42:46 PM

5.3 is just the Memory (RAM) rating, that's what I'm interested in. All the other numbers were good on that machine. What are other i3 owners getting?
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March 3, 2012 10:49:52 PM

that thread says nothing except the opinion WEI is useless.
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a b } Memory
March 3, 2012 11:00:16 PM

you asked what the other owners are getting.......thats what they are getting..also they provided benchmark programs which you asked for
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a b } Memory
March 3, 2012 11:13:53 PM

I'm using 16GB DDR3-1333 paired with an i7-2600k (that uses the same memory controller than i3-2100)

I got 7,6 points in memory, you should get similar (unless windows consider the amount of memory too)
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March 3, 2012 11:16:51 PM

vitornob said:
I'm using 16GB DDR3-1333 paired with an i7-2600k (that uses the same memory controller than i3-2100)

I got 7,6 points in memory, you should get similar (unless windows consider the amount of memory too)


I hadn't considered that the amount of memory might have and impact on score. thx. still lookin for i3-2100 memory scores. on monday i'll check the bios has the timings right.
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March 13, 2012 11:57:35 PM

Any i3 owners out there? Wei memory score & amount of ram?
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a c 347 } Memory
March 14, 2012 12:20:41 AM

I'm familiar with WEI, yes I have my opinions. A perfect WEI of 7.9 is nearly impossible, and even a SB-E 6-core @ 4.8GHz is 7.8.

The problem is WEI artificially, especially with RAM, sets WEI scores. Normally, the maximum with 4GB and Windows 64-bit is 5.5. So 5.3 suggests CAS 9 4GB DDR3-1333. If you want a score higher then you must add more RAM, example 8GB of DDR3-1333 will yield 7.5~7.7, and 16GB+ DDR3-1600 CAS 9 a WEI of 7.9.

In the BIOS, (if possible) set the AI Overclock Tuner -> XMP, save and exit = yes, and then retest.

Otherwise, post a link to your RAM and I'll post the Manual DRAM Frequency, CAS Timings, etc settings...
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April 5, 2012 3:08:40 AM

I have i3 2120 with single stick 1x4gb and get 7.2 ,with 2 sticks tho,would get a lot more since it will run dual channel
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a b } Memory
April 5, 2012 3:29:54 AM

XMP profiles on?
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January 18, 2013 3:57:23 AM

At that time, I didn't realize that 1333 was only the bus IO speed, and that DDR3 chip speed (166MHz) is equivalent to DDR2 667. My other PC had DDR2 1066- same double rank, single bank, 2x2GB- equivalent to DDR3 2133 (266MHz). I guess the higher IO bus rate, bursting, & integrated memory controller of the i3 make up for the slower RAM.

Learned that WEI can be called from the command line as 'WinSAT.exe mem'. Posting update for future readers wondering the same.
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