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Windows 7: What's your memory assessment speed?

23 Mar 2010   #561
Swimaf

Windows 7 Ultimate x64
 
 

Okay i am back to report how it works with 4Gb instead of 2Gb, here are the results of the winsat mem test 'before' and 'after':

RAM frequency = 400Mhz (1:1), 5-5-5-18, 1.8v:

With 2Gb: 4800Mb/s
With 4Gb: 7200Mb/s

RAM frequency = 533Mhz (3:4), 5-6-6-16, 2.1v:

With 2Gb: 6400Mb/s
With 4Gb: 8000Mb/s

We have our answer cabal06ca! Indeed the quantity of installed RAM plays a great role on the overall performance
It seems quite logical since you have 8Gb and get more than 16000Mb/s! But the problem is that I do not multiply by two my old score (with 2Gb)... There must be an issue, probably with the quality of the Motherboard, actually mine is not a good horse at all so it may explain that sum.


My System SpecsSystem Spec
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23 Mar 2010   #562
cabal06ba

Win7 Pro x64
 
 

No, your board is running fine! You can't expect a linear performance boot with more RAM installed, it doesn't work like 2GB: 6400 --> 8GB: 6400x4=25600Mb/s...just having more RAM doesn't mean that the system can use it 100% efficiently, there are certain limits to everything a chipset can do and as I said before there are many other factors influencing the results.

Your results are good, don't worry about it anymore!

For comparison, with the intel core2duo mobile platform in my laptop (T7700 2x2.4 Ghz) I get 3650Mb/s with 4GB 667Mhz 5-5-5-18.
My System SpecsSystem Spec
23 Mar 2010   #563
Swimaf

Windows 7 Ultimate x64
 
 

Quote:
Your results are good, don't worry about it anymore!
Sounds difficult when you are a perfectionist like I am ^^

Anyway, I am glad to hear that my system is running fine and without important issues. Last question: according to you should I stay at 400Mhz or continue in the Enhanced Performance Profile which is 533Mhz and means the higher voltage for the modules? Should I worry about that or let it go too?

PS: WEI RAM score before: 5.5
WEI RAM score after: 7.0 !!
My System SpecsSystem Spec
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23 Mar 2010   #564
cabal06ba

Win7 Pro x64
 
 

Quote:
Sounds difficult when you are a perfectionist like I am ^^
I know, it's just too much fun to squeeze every single last drop out of your system so you can go to bed with the pleasant feeling that you have done EVERYTHING possible to make your PC perform as good as possible.

...but once in a while one should keep in mind that many of those optimizations don't even have a noticeable impact on real usage experience; in many cases it's just about numbers in benchmarks we don't even know what they really mean.

Since your results show a significant difference I would stick to the EPP settings, 2.1V is not really high for quality RAM (mine is certified to run at 2.3V) and those +0.3mV will cost you about 50 cents on the power bill for an entire year of day and night PC usage.

bottom line: I only recommend going for lower frequencies if that allows you to run really tight timings (e.g. 4-4-4-12) stable, otherwise it's just a waste of performance.
My System SpecsSystem Spec
23 Mar 2010   #565
Swimaf

Windows 7 Ultimate x64
 
 

You are certainly right, I'll let the settings like that (till the next crash, what I'd prefer avoid ^^).
Perhaps change just the timing and see wheither lower values may work; however 5-6-6-16 2.1v are the recommended ones in EPP and show an increase of more than 10% campared to the 1:1 400Mhz 'simple' mode.

I can feel that I will have a good rest after all these frivolities
My System SpecsSystem Spec
23 Mar 2010   #566
cabal06ba

Win7 Pro x64
 
 

If you wanna make sure there won't be any future crashes, let Memtest86+ run over night while you enjoy your well-deserved rest: Memtest86+ - Advanced Memory Diagnostic Tool
My System SpecsSystem Spec
23 Mar 2010   #567
Swimaf

Windows 7 Ultimate x64
 
 

I had tried to run Memtest86+ with a bootable USB key but failed...
Now I try with a floppy (unforgetable piece of plastic!), I will post the results as soon as I get them
My System SpecsSystem Spec
23 Mar 2010   #568
cabal06ba

Win7 Pro x64
 
 

No need to post any results, this program is quite simple:
When you wake up and see lots of 'red' on your screen, you (might) have a problem, if there's no red you're good to go!
My System SpecsSystem Spec
24 Mar 2010   #569
ZaLiTH

Win 10 x64 Pro x64 / Ubuntu 15.10 x64
 
 

Quote   Quote: Originally Posted by Swimaf View Post
We have our answer cabal06ca! Indeed the quantity of installed RAM plays a great role on the overall performance
It seems quite logical since you have 8Gb and get more than 16000Mb/s! But the problem is that I do not multiply by two my old score (with 2Gb)... There must be an issue, probably with the quality of the Motherboard, actually mine is not a good horse at all so it may explain that sum.
I've been reading through your posts starting on the previous page here, very interesting read actually.. First off; Swimaf, glad you managed to get your RAM speeds up, it's always a nice feeling when you push your PC that little bit harder and it works.

But just to clarify, it wouldn't be the quantity of RAM installed that affects your speed that much, but rather the number of idenical RAM modules. If you install two RAM modules of the same size and speed in a dual-channel configuration (it gets enabled automatically by 90% of motherboards), then you effectively double the available bandwidth from your memory controller to the RAM modules themselves. If you want to read up more on dual-channel, click here.
My System SpecsSystem Spec
24 Mar 2010   #570
Swimaf

Windows 7 Ultimate x64
 
 

Quote:
If you install two RAM modules of the same size and speed in a dual-channel configuration (it gets enabled automatically by 90% of motherboards), then you effectively double the available bandwidth from your memory controller to the RAM modules themselves
CPU-Z tells me that the two modules actually work in dual channel, however I do not double my score with 4Gb DC instead of 2Gb SC.. Could it be a problem or is it normal as cabal06ca said?

However I found it when I was reading the wiki link you gave me:

Quote:
Tom's Hardware found little significant difference between single-channel and dual-channel configurations in synthetic and gaming benchmarks (using a "modern" system setup). In their tests, dual channel gave at best a 5% speed increase in memory-intensive tasks.
Hopefully for me the gain is quite higher than 5%! I know there is nothing else to do for now but I cannot be 100% satisfied with my score...
I've also read (I have got big ears) that the difference between the performance you can get with DDR2 and DDR3 are very small but wheither it is wrong, means that DRR3 would be much more efficient than its old brother, then I'd understand certain values some people here manage to get with their 8Gb DDR3 modules.

Quote:
No need to post any results, this program is quite simple:
When you wake up and see lots of 'red' on your screen, you (might) have a problem, if there's no red you're good to go!
I get a nice error when I try to run Memtest86+ in order to make a floppy, even if I already read almost everything about it: the program does not recognize the files in the 'boot' folder (I run Install64 though...). I will retry later.

Quote:
I've been reading through your posts starting on the previous page here, very interesting read actually
Thank you!
Actually I think it can be useful for other people on this board (and not only btw) to know how all of that works
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