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Memory timings and overclocking

post #1 of 10
Thread Starter 
Hi,

I'm wondering if I can raise the performance of my ram sticks(they are 2x Kingston 2GB 1333MHz DDR3 Non-ECC CL9 DIMM Single Rank). The timings should be like 9-9-9-24-33 or something like that. All settings are stock and voltages auto besides PII 955 @ 3.9 Ghz on stock voltages. So the question is - with what kind of settings could I see a boost in performance?
post #2 of 10
Well, you could go into the BIOS and overclock your RAM or you could lower the timings. If you want maximum performance, try and do both.
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El Computron
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post #3 of 10
If you just want to experiment try changing the latencies and frequency.

As far as performance, with the higher default frequency of DDR3 RAM there are no major system performance gains by increasing the frequency or lowering the latencies. You might see ~1% change in system performance based on testing.
post #4 of 10
DDR3 is still in the infant stages. DDR took a while to utilize bandwidth; for a long time there wasn't more than a 1% difference between PC2100 and PC3200 -- even now I bet the difference between the two DDR speeds isn't more than 5%.

That being said, there's no harm in playing with timings and speed. 1% is 1% biggrin.gif
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post #5 of 10
^^^ I thought 2% was 1%. When did it change? wink.gif
post #6 of 10

What approx 7-7.5GB/s (MaxxMem) you have with the default spec of DDR3-1333 @ CL9 with 2000Mhz NB can increase to 9.5-10GB/s (25-33% increase) with DDR3-1600 @ CL9 and 2600-2800Mhz NB.  Not that every program is going to make use of this bandwidth and show a difference, but I say the gain is worth a try if you've got time.  I have doubts, however, that your low-binned generic 1333 CL9 kit will ever hit DDR3-1600.

post #7 of 10
DDR3 RAM OC'ing is an exercise if frustration as the default frequency is not a system bottleneck. It's fun to see how much your hardware will OC but there is no tangible system performance gain unless you can double the frequency of your DDR3 RAM. RAM benchmarks make look impressive but RAM is only one part of your PC system.
post #8 of 10
i guess people don't use ram drives anymore ;-)
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post #9 of 10
99.9% of people don't.
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post #10 of 10
Quote:
Originally Posted by ekeuus View Post

Hi,
I'm wondering if I can raise the performance of my ram sticks(they are 2x Kingston 2GB 1333MHz DDR3 Non-ECC CL9 DIMM Single Rank). The timings should be like 9-9-9-24-33 or something like that. All settings are stock and voltages auto besides PII 955 @ 3.9 Ghz on stock voltages. So the question is - with what kind of settings could I see a boost in performance?

try run with memory timing 7-7-7-21 u can see my system I also use kingston memory (value version) and it run well in cl 7. the voltage I'm using is 1,65v and its pretty stable.
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