amd turion experts needed???

hi iv been on the phone to fuji and amd but they have no answers typical.

i have also posted in fuji section but only notebook solutions replied but he didnt have much experience with turions so did'nt know.

my system has in it 4gb ddr2 667 and before that 2gb ddr2 533 my question to them is why does it say their speeds are wrong in cpu-z newest version and older versions?

dd2 533
dual channel
bus freqency 200 instead of 266
so making 400 instead of 533

--------------------

ddr2 667
dual channel
bus freqency 300 instead of 333
so making 600 instead of 667

is this correct and something to do with the way the HT link works cuz i know mobiles work at 1600 and desktop cpu are 2000?

some users on this forum did reply with mixed results some had lower scores and some higher but all were under the supposed frequency it should have been.

could anyone post there cpu-z memory stats please stating cpu also (i.e tl52..tl56)

thanks

 

I answered this question just last night for another AMD user on the acer forum. To read why this is happening to your notebook take a look at this link
It all has to do with the integrated memory controller on the processor, for your TL-56 with 533mhz ram you should be seeing 257mhz and for 667mhz you should be seeing 300mhz. I was going to post this a while back after I first read it but I didn't bother.

There is nothing wrong with your notebook ,the link provided will answer all your questions.

 

Here are my cpu-z shots for comparison (with TL-58)

 

thanks to bothe of you for helping clear up the matter..

amazes me how fuji and amd tech support didnt have the answers

thanks again, oh and by the way im upgrading the cpu to a tl60 from tl56 shortly so would the memory bus go up nearer 333 ?

thanks again

 

No wonder the AMD notebooks just dont cut it, not only are the CPUs slower but thats one screwed up way of running RAM! saves power? LOL not enuff apparently.

 

forget my last comment i have read the link now and it did show that the upgrade to tl60 would give me full 667 speed...thanks all

appreciated

 

Correct me if I'm wrong, but aren't the Santa Rosa-based Memrons utilizing a somewhat similar feature in scaling FSB to conserve power (or is that Penryn)?

 

Well what i meant was that the RAM cannot be utilized to its full speed unless you have a specific CPU and their claim of saving power this way is funny cuz despite all that the intels still use up less power. perfectly alright to scale back RAM to save power but in the end it can never run at its full speed without the best CPU?

 

It still doesn't matter sideswipe, AMDs full duplex IMC will always beat out intel's ageing half duplex FSB for memory bandwidth even at these in between speeds. All of the memory benchmarks prove this. For instance with a TL-60 processor that uses the full 667mhz using full-duplex hypertransport bus renders CPU-RAM bandwidth of 10.7 Gbytes/s --> twice the speed of Intel's Core 2 Duo Merom which is only capable of 5.3 Gbytes/s with its 667MHz FSB Half-Duplex Memory controller. This gets even higher when you talk about the 65nm turion x2s which can use 800mhz ram and yield memory speeds of 12.8Gbytes/s. This is the problem with FSB.

Intel know this and this is why they are developing their own IMC version for their future processors. FSB has always the memory bottle neck for all current and pass Intel processors.

 

yeah well hypertransport has made FSB look aged but unfortunately the application in this way really isnt helping AMD though admittedly they have yet to show what can help them as of yet

 

correct me if i'm wrong, but don't RAM speeds have negligible impact on total system performance?