Newcastle, clawhammer, or winchester

Which is the best A64 core? which is the most efficent and which produces the least heat? Also socket 939 or 754?

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Are you ceratin about the S939 and the dual channel memory? They say that the S754 has the equivelent performance of a 939 chip 200+ it's senior. In other words a S754 3000+ will perform about the same as a S939 3200+ even with dual channel memory. Similarly, <A HREF="http://geek.pricegrabber.com/rating_getprodrev.php/product_id=2835394/id_type=M" target="_new">the 3700+(s754)</A> performs just as well as the 3800+(s939)& 4000+ if not better on many games and nearly as well as the FX-53(s939)% FX-55. This is largely due to the 1 MB of L2 cache that the clawhammer core boasts.I would reason then that the s754 processors even with their single channel memory perform better than their 939 counterparts. The Clawhammer core isn't being thumped into the bargain chips so much anymore. You may have a hard time finding the clawhammer in a 3000+ or 3200+. It is generally found in the mainstream desktops and mobile chips now. a64 3700+,3800+,4000+,fx-53 and fx55.There is also the Sledgehammer core , that would be their latest only being used in the a64 4000+ and the FX-55 processor.

Everybody reccomends the s939 for futurability but if you want performce right now, go with the s754 and a processor that has 1MB of L2 cache. They ferform better out of the box than their 512mb L2 cache counterparts. personally, when I upgrade, I upgrade everything, motherboard included so "right now" performance is really what I am after for right now.



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<P ID="edit"><FONT SIZE=-1><EM>Edited by lazerous on 01/22/05 09:24 PM.</EM></FONT></P>

Well, the extra 200mhz in HTT, and a couple of bucks, should get you a cup of coffee.
The dual channel memory may be nice, but it's just not that important to Amd chips. It certainly wont make up for 200mhz of chip speed.
The s754 chips do indeed outperform the s939 chips.
It doesn't really matter though, the 90 nano tech, will more than make up for the difference. It runs a lot cooler, and can OC much better.

Well keep in mind that since the winchester runs very cool, it can be easily overclocked to outperform its s754 counterpart. The differences aren't that big, and it depends on what type of program you are running. CPU intensive programs will benefit from the higher clock speed of a s754, while a memory intensive program will benefit from the dual ddr of a s939. I decided to go with a socket 939 and just overclock it so it outperforms what I would have gotten for a s754 system the same price. Though, thats not to say you can't overclock the 754's as well!

Endyen, I know that you know this, but when grabbing the extra 200 MHz like in a 3200+, it's the 512MB cache and not the 1GB Cache mentioned up above. It all seems to depend on the test, but the 1MB 3200+ S754 is for the most part the slowest of the three.



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