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3:20 AM - 05/22/2008 by Patrick Schmid and Achim Roos

amd mobile processor

Turion 64 X2 Memory Speeds Vary!

As the memory clock speed of AMD64 processors is derived by dividing the core clock speed by an integer, you can calculate the effective memory clock speed yourself. Remember to double the result, as the memory runs at double data rate mode and transfers twice the amount of data via the interface.

Processor Core Clock Speed Memory Divider Memory Clock Speed
Turion 64 X2 TL-56 1800 MHz 6 300 MHz (DDR2-600)
Turion 64 X2 TL-60 2000 MHz 6 333 MHz (DDR2-667)
Turion 64 X2 TL-62 2100 MHz 7 300 MHz (DDR2-600)
Turion 64 X2 TL-64 2200 MHz 7 314 MHz (DDR2-628)
Turion 64 X2 TL-66 2300 MHz 7 328 MHz (DDR2-656)
Turion 64 X2 TL-68 2400 MHz 8 300 MHz (DDR2-600)

There are some processor models whose memory runs up to 10% slower than the rated maximum of 333 MHz (DDR2-667). In the case of the Turion 64 X2 TL-56, TL-62 and TL-68; the maximum memory clock speed can only be 300 MHz (DDR2-600), because any other divider would result in a clock speed that is beyond the specified maximum of DDR2-667. If you have to decide between a TL-62 (2.1 GHz and DDR2-600) and a TL-60 (2.0 GHz and DDR2-667), we recommend going for the latter, as you won’t really notice the 100 MHz difference unless you intend to use the notebook for processor-intensive tasks.

Talkback
weinheimer 05/22/2008 4:16 PM
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So if this is an updated mobile cpu chart, where are the T8100's T9300's?

45nm is the way to go on laptops

drfelip 05/22/2008 6:41 PM
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I also miss some processor in the T5000 series, because they are very common in low-end laptops. Good work anyway!

jcwbnimble 05/22/2008 7:10 PM
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I too am very dissapointed that your mobile CPU chart doesn't inlcude the T5000 series of processors from Intel. I realize that everyone wants to see the "high end", but some of want to compare it to the low end as well.

I just purchased an HP 17" laptop and was trying to find some data on the T5000 processors because that is what comes stock on the model I purchased. I wanted to see if it was really worth it to spend the extra ~$200 to upgrade to the T9000 processors. I had to look elsewhere to get that kind of comparrison.

To bad for Toms' sites, I found another reputable site that I will now use as a reference tool. Shame on Tom's for not covering the mid and low range products.

lightbody 05/22/2008 10:39 PM
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65nm Turion X2's support DDR2-800. Why wasn't this speed used instead of DDR2-667?

eltouristo 05/23/2008 5:59 AM
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toms you are no1 but you need more laptop cpu and gpu charting.

nihility 05/25/2008 5:14 PM
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Wow, I knew my TL-60 was pathetic but I never realized just how much :(
I like the charts, I like the interactivity and I love that we can compare mobile and desktop CPUs. I just wish mine didn't rank so low.

crantech 05/28/2008 7:23 PM
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Copying an earlier comment, these charts need many more chips on them. I just bought an otherwise screaming laptop with an 8800M GTS GPU but only T5550 CPU, and want to know how much improvement I'd get moving up to a T8xxx or T9xxx.

Plus in general I miss how the charts used to allow highlighting of specific processors for easier comparison.

weinheimer 05/28/2008 8:05 PM
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Tom's used to be number 1. They are jut OK now. If you don't know more than the authors and are not able to independently screen the information you can't trust the data or conclusions at Tom's anymore

carl0ski 06/01/2008 9:26 AM
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crantech :
Copying an earlier comment, these charts need many more chips on them. I just bought an otherwise screaming laptop with an 8800M GTS GPU but only T5550 CPU, and want to know how much improvement I'd get moving up to a T8xxx or T9xxx.Plus in general I miss how the charts used to allow highlighting of specific processors for easier comparison.



That's a bit pointless why review lots when the few they have are done poorly anyway.

Whats the point of adding these benchmarks without demonstrating that your Notebook battery will last - less, more or the same between models/price/performance.

Tom's grab a load meter and find the DC power load of each of these processors on your Solar Power equipment (direct DC input not AC PSU, to emulated a Notebook Battery).
1. record peak and typical power in "each & every" application/benchmark
2. record power consumption at system IDLE

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