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DDR3 1600 or 1333?

Last response: in Memory
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March 11, 2010 5:01:26 PM

Hi, im a bit confused with the memory timing is a 1600 at 9-9-9-24 is beter that a 1333 at 7-7-7-21?

More about : ddr3 1600 1333

March 11, 2010 8:08:08 PM

1600 at 8-8-8-24 is even better than both...

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a b } Memory
March 11, 2010 8:32:13 PM
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Are you overclocking ? You didn't give many system specifics but at "stock", a 920 is at:

133 x 8 mem multiplier = 1066 Mhz
133 x 20 CPU multiplier = 2.66GHz

Overclocked
167 x 8 mem multiplier = 1333 Mhz
167 x 20 CPU multiplier = 3.33GHz

Overclocked
200 x 8 mem multiplier = 1600 Mhz
200 x 20 CPU multiplier = 4.00GHz

If you wanna OC to 4 Ghz, yes 1600 is better..... If you wannna OC to 3.33 Ghz, yes 1333 just as good.

After that, lower timings are better.

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March 12, 2010 7:54:47 AM

sorry i am new here can you explain what those numbers means ???

1600 at 8-8-8-24
a b } Memory
March 12, 2010 12:58:45 PM

esa,

the 1600 is the ram frequency (1600MHz) and the 8-8-8-24 is the CAS timing. from wiki:
Column Address Strobe (CAS) latency, or CL, is the delay time between the moment a memory controller tells the memory module to access a particular memory column on a RAM memory module, and the moment the data from given array location is available on the module's output pins. In general, the lower the CAS latency, the better.
http://en.wikipedia.org/wiki/CAS_latency
March 25, 2010 6:47:08 PM

Best answer selected by Zabusa.
March 26, 2010 9:40:22 AM

i saw an article once giving uite a good analogy. it was a bit like this...

imagine the ram as cars, the 1600 mhz can go faster, but with a higher latency, has to drive further

whereas the 1333 is slower, bu with lower latency doesnt have to go as far.

i picked up some 1600mhz ram with 7-7-7-something. i have a cheap cooler on the ram and have it overclocked to 1800 mhz. it scores 7.9 wei in win7.

you neednt worry about it costing a bomb either. my 6gb was £94 off ebay. which in the uk is very cheap.
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