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Topic Title: Turion 64 ml-42 or ML-40? More cache versus slight cpu speed increase
Topic Summary: upgrading laptop
Created On: 09/29/2010 08:15 AM
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 09/29/2010 08:15 AM
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BDUAres
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Joined: 09/29/2010

I have a pair of HP Compaq laptops, V2000 series. These originally came with Semprons in them, and I bought a Turion 64 ML-42 and put it in one of them, and a ML-34 into the other.

I am considering buying a ML-40 for the slower laptop, but I was wondering, since the ML-42 only has 512K cache on it, would it make my system faster to replace the ML-42 with an ML-40? I know the processor speed is 200 mhz less with the 40 than the 42, but would having 1 MB cache size allow the slightly slower processor to actually perform better than the slightly faster cpu with half the cache? If so then I will just pick up an extra ML-40.
 09/29/2010 09:57 AM
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go_for
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Joined: 01/21/2006

According to Passmark's benchmark, the ML-42 is slightly better than ML-40. But, there is only two benchmark samples for ml-42 vs 42 samples for ML-40

http://www.cpubenchmark.net/cpu_list.php

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 09/29/2010 12:05 PM
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PV9685
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Joined: 05/11/2010

According to passmark there are only 2 samples of the ML-42... which means the score is highly subject to inaccuracy. Whereas there are over 40 samples of the ML-40. IF the memory controller works the same way on those CPUs as the next generation the RAM will run 5% faster on the ML-40 than the ML-42. The cpu is listed as a Single channel DDR1 memory controller; if this is accurate (which I assume it to be) you will find better performance in the ML-40! However, there will be no perceivable difference between the two and you should not switch the ML-42 machine to an ML-40 unless you have parts on hand for free.

Technically there will be circumstance when the 200MHz increase will serve you better - however, these will not come up nearly as often as the extra cache will on the single-channel memory configuration! Especially if you have integrated video.
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