.09 Athlon 64: Value, Speed and Overclocking
by Wesley Fink on October 14, 2004 12:05 AM EST- Posted in
- CPUs
In the last several weeks, AMD has quietly introduced several Athlon 64 processors in the new 90nm die-shrink. The new Socket 939 3000+, 3200+, and 3500+ are based on the new Winchester core. They are also the first Athlon 64 processors to become available at speeds below 3500+ in Socket 939. This is very important, since the biggest news is the fact that the price of entry for a Socket 939 processor is now less than $200. Of course, a successful die-shrink and lower costs are interrelated, and in this case, the model seems to be working as we would expect.
Nothing has really changed on the outside, but if you can find a 3000+ or 3200+ in Socket 939, you can be confident that it is the new 90nm version. Since 3500+ is produced in both 90nm and 130nm versions, you will need to ask if it is a 90nm part. Most resellers that have the new 90nm Athlon 64 have been prominently advertising them.
The latest version 1.24 of CPU-Z can be downloaded at www.cpuid.com. Version 1.24 correctly identifies the die-shrink (.09), the core (Winchester), and the Revision (DH8-D0). Earlier versions of CPU-Z don't recognize the new processors, so make certain that you are using Version 1.24 or later.
A late 3800+ is identified, for comparison, as a NewCastle core, .13 process, and Revision DH7-CG.
There has been a lot of speculation about how important this die-shrink is to AMD. Most of this has revolved around the higher yield and lower cost of production for the smaller chip. Since Intel has already moved to .09, analysts believed AMD needed the yields and lower cost of the .09 shrink to effectively compete with Intel on a cost basis.
There are also potential advantages to the end-user from the die-shrink. These include lower power consumption, cooler processor operation, and greater headroom for higher overclocking. It is these advantages that will interest most of you. We will take a closer look in this review at whether these advantages are realized.
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PrinceGaz - Thursday, October 14, 2004 - link
Thankyou Wesley for correcting the voltage figures. The originally posted required voltages were not at all encouarging imo.Being able to get the 3500+ to 2610MHz on default voltage, and the 3000+ to the same speed with an acceptable 1.52V is good to know.
I'm a lot happier now :)
FinalFantasy - Thursday, October 14, 2004 - link
This comment is a response to a lot of post i've seen across different forums.People are really getting confused on which chip can OC better. I'm hearing people say "the 3000+ can OC just as far as the 3500+ so what's the point of getting a 3500+" they say...
The point is the 3500+ made it to 290 FSB on stock voltages, while the 3000+ had to get an 8.3% voltage increase, which means the 3500+ has a lot more headroom to OC, as compared to the 3000+ which already will be running at higher temps due to the 8.3% voltage increase.
But either way I'm still stoked that the OC'd 3000+ is beating a $600-700 FX chip!!!
330Pilot - Thursday, October 14, 2004 - link
Looking at the Newegg site, I notice that the 90nm 2.2GHz version is known as the 3400+ and not the 3500+.Is there a difference between what Anandtech reviewed the the vesion available on Newegg, or is one of them mistaken?
kmmatney - Thursday, October 14, 2004 - link
Great review!The whole bang-for-buck idea doesn't quite work when you have to spend a lot of money on memory, though. Is there a good bang-for-buck memory that can be paired with this cpu?
Wesley Fink - Thursday, October 14, 2004 - link
I have corrected the CPU voltages for overclocking in the review. The MSI K8N Neo2 increments voltages by % - default, +3.3%, +5%, +8.3%, +10.0%. After talking with AMD the correct default voltage is 1.4V. Reviewing my notes and screen captures, the correct overclock voltages for 290x9 were Default for the 90nm 3500+ and +8.3% for the 90nm 3000+. I had incorrectly assumed 1.5V as the default voltage instead of the correct 1.4V.The charts have now been corrected. Thank you for helping me get the voltages corrected. If you notice the screen capture for the 3000+ at 290x9 on the Overclock page it is showing just over 1.5V, which is consistent with a +8.3% CPU voltage of 1.52V.
DEMO24 - Thursday, October 14, 2004 - link
#8 Nforce WILL have AGP dunno what your talking about.(hope that wasnt answered before cuase I didnt read them all)
ThePlagiarmaster - Thursday, October 14, 2004 - link
Wesley:I'm wondering if the board you guys used can set the memory ratios to keep memory around 400fsb? Just wondering if we all have to buy this expensive ram, or can we use our current Corsair C2 DDR400 stuff? Can you do something like this:
http://www.xbitlabs.com/articles/cpu/display/sempr...
Which allows everyone to use older memory (decent stuff anyway) and still get a LOT out of these cpus. Let's face it, A64 isn't memory starved (or the 754's wouldn't be so good, including the sempron) so could we get a chart similar to the one on xbit labs (for the Epox 8KDA3+ I think) for the k8n neo2 you used? Or is the Epox just better for people that don't want to rush out to buy $281 memory?
glennpratt - Thursday, October 14, 2004 - link
Better hurry, the dual cores will come out and you will have to change you mind again!FinalFantasy - Thursday, October 14, 2004 - link
Wow...I guess I take back what I said about getting a S754 AMD64 Mobile w/a DFI LanParty NF3-Gb and overclocking it. From the looks of things a I'm going to wait for the 90nm core revision w/SSE3 and pair it with a NF4 mobo...DFI should have their S939 LanParty NF4 board out by then ^^ Looks like the memory controllers on these new chips are a lot better then their predecessors.290 FSB on just 1.6V is awesome! 1.75V and a decent vatercooling system should yield some nice FSB speeds...325 FSB anyone?
Araemo - Thursday, October 14, 2004 - link
#36 -Beause of cool'n'quiet, you can lower the multiplier. They're only locked to a max. The 3000+ is 1.8ghz, 200x9.
the 3500+ is 2.2, 200x11
They just lowered the multiplier on the 3500+ to 9.