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Windows 7: What's your memory assessment speed?

20 Apr 2010   #621
IggyAZ

Windows 7 Ultimate (64 bit)
 
 

Quote   Quote: Originally Posted by Snakeyeskm View Post
Dual memory sticks are linked memory banks that are accessed by one controller. This allows them higher bandwidth. Generally the greater bandwidth does not necessarily improve overall performance. On the other hand unganged memory allows both memories to directly link to separate controllers on the motherboard. Theoretically, unganged memory can have greater efficiency since each controller can access each memory group separately. Practically speaking, these differences are negligible.

Thank you for your discription about Linked and Unlinked memory.


My System SpecsSystem Spec
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21 Apr 2010   #622
fastslvblkcar

windows 7 premium x64
 
 

how does this look?


Attached Thumbnails
-memtest.jpg  
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22 Apr 2010   #623
Alpine

 
 

8 Gig G.Skill memory DDR3 1600Mhz running at 1488mhz...


Attached Thumbnails
-mem.jpg  
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23 Apr 2010   #624
DaGooN

Windows 7 64bit Ultimate SP1, VMware Windows 7 64bit Ultimate SP1
 
 

12GB DDR3 @ 1333 1t - 1.5v


Attached Thumbnails
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25 Apr 2010   #625
paulpicks21

Windows 7 Professional 64 bit
 
 

Hi Guys , this is my 1st post on the forums so be gentle

I have 2 x 1 gig sticks of OCZ PC2-5300 677mhz memory in my pc.

It records speeds of around 5500 in both my Windows 7 64 bit pc and my Vista 32 bit pc.


After seeing this thread and testing mine out I decided to ask my father in law to test his out too seeing as he is well into his pc's.

He has very similar memory to mine , looks pretty much identical except his is a slightly better model being OCZ PC2-6400 800mhz , again 2 x 1 gig sticks.

He has done the test many times now and gets a score of around 4000 every time.

At 1st I thought perhaps there was something wrong with his pc or memory so tested his memory in one of my pc's and it came up with around 4000 as well.

So the question is , is 4000 about the right score for that memory and if it is then has anyone got any ideas why my slightly inferior memory is scoring 1500 more than his every time I test it?

Many thanks

Paul.
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25 Apr 2010   #626
Snakeyeskm

Win 7 64 bit professional
 
 

Memory timings set in the Bios will change the performance of your memory and your results for the same stick.
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25 Apr 2010   #627
Everlong

 

Hmm, I've just tried this on my DDR3 now. I have 1333MHz DDR3 RAM, and I only get around 6900MB/s in dual channel. I'm pretty sure I should be getting slightly higher than that
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25 Apr 2010   #628
smarteyeball

 
 

Quote   Quote: Originally Posted by Everlong View Post
Hmm, I've just tried this on my DDR3 now. I have 1333MHz DDR3 RAM, and I only get around 6900MB/s in dual channel. I'm pretty sure I should be getting slightly higher than that
yep, you should be.

Any chance of some CPU-Z mem & SPD tab screenies to see what sort of timings/speed it's actually running at?
My System SpecsSystem Spec
25 Apr 2010   #629
Dave76

Microsoft Community Contributor Award Recipient

Windows 7 Ult x64 - SP1/ Windows 8 Pro x64
 
 

Quote   Quote: Originally Posted by paulpicks21 View Post
Hi Guys , this is my 1st post on the forums so be gentle

I have 2 x 1 gig sticks of OCZ PC2-5300 677mhz memory in my pc.

It records speeds of around 5500 in both my Windows 7 64 bit pc and my Vista 32 bit pc.


After seeing this thread and testing mine out I decided to ask my father in law to test his out too seeing as he is well into his pc's.

He has very similar memory to mine , looks pretty much identical except his is a slightly better model being OCZ PC2-6400 800mhz , again 2 x 1 gig sticks.

He has done the test many times now and gets a score of around 4000 every time.

At 1st I thought perhaps there was something wrong with his pc or memory so tested his memory in one of my pc's and it came up with around 4000 as well.

So the question is , is 4000 about the right score for that memory and if it is then has anyone got any ideas why my slightly inferior memory is scoring 1500 more than his every time I test it?

Many thanks

Paul.
It depends on several factors.
OEM equipment or custom built, OEMs MOBOs are pre-set and can't be changed, custom MOBOs can be adjusted.

For OEM if you change the RAM you have to match the RAM to the pre-set settings. With a custom MOBO you can adjust them, they will have a low default setting to ensure whatever RAM you put in won't be overclocked too much and burn up, so you need to set the timings according to the RAMs recommended settings, or you can overclock them, but be careful if you aren't familiar with doing this.

The number of sticks installed and amount of GBs will affect the score, the more GBs the higher the score.

Quote   Quote: Originally Posted by Everlong View Post
Hmm, I've just tried this on my DDR3 now. I have 1333MHz DDR3 RAM, and I only get around 6900MB/s in dual channel. I'm pretty sure I should be getting slightly higher than that
That sounds a little low for DDR3 dual channel.

Show us the CPU-Z memory tab for your RAM.
Check the settings against the RAMs recommended timings and voltages.

Mine is: 8Gb XMS3 @1600Mhz 8-8-8-24 DDR3 Dual Channel, at the RAMs stock recommended settings and is 19,422 MB/s.
I had to change the timings and voltages from the boards default settings.
My System SpecsSystem Spec
25 Apr 2010   #630
paulpicks21

Windows 7 Professional 64 bit
 
 

Cheers for your reply Dave,

It was a pc he bought ready built from a company called Mesh over here in the UK.

Its a few years old now but at the time it was an extremely high spec , cost like 1700 GBP

All the bits in it including the motherboard are very nice items ,sorry I don't have the model number to hand at the moment but its an Asus which has a section in the bios called extreme tweeker or overclocker. Something like that anyway.

I am going to have a look next time I am round his to see what the memory timings are at present and what they are supposed to be.

Oh and I should add , that when I tested his memory in my pc , I was testing it in my older pc , I am not sure whether or not the motherboard in that pc supports 800mhz ram so that could have caused a low reading in mine. It was showing 3500 score with just 1 stick in , and only 3900 with 2 sticks in.

Cheers

Paul.
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 What's your memory assessment speed?




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