.09 Athlon 64: Value, Speed and Overclocking
by Wesley Fink on October 14, 2004 12:05 AM EST- Posted in
- CPUs
Basic Features: Athlon 64 90nm Processors
The new 90nm Athlon 64 processors were only introduced for Socket 939. Since 939 supports Dual-Channel memory, the speed ratings are a bit different than Socket 754 processors.| Athlon 64 Socket 939 - Specifications of New 90nm Processors | |||
| Athlon 64 3000+ | Athlon 64 3200+ | Athlon 64 3500+ | |
| Speed Rating | 3000+ | 3200+ | 3500+ |
| Actual CPU Speed | 1.8Ghz | 2.0GHz | 2.2GHz |
| L1 Cache | 128k 64k Code Cache + 64k Data Cache |
128k 64k Code Cache + 64k Data Cache |
128k 64k Code Cache + 64k Data Cache |
| L2 Cache | 512kb | 512kb | 512kb |
| Memory Type | Dual-Channel Unbuffered DDR | Dual-Channel Unbuffered DDR | Dual-Channel Unbuffered DDR |
| Memory Speed Supported | Up to DDR400 | Up to DDR400 | Up to DDR400 |
| Maximum CPUs | 1 | 1 | 1 |
It is interesting that AMD rates the 1.8GHz Socket 939 90nm 512k CPU as 3000+, while the Socket 754 1.8GHz 512k 130nm is rated as 2800+. Speed ratings for 939 chips are generally higher than their 754 counterparts. AMD believes that the higher performance of the Dual-Channel memory controller justifies these rating differences.
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Live - Tuesday, October 19, 2004 - link
Great read!Good work Wesley Fink.
I looks like I am finally getting close to being able to upgrade my athlon xp setup without breaking the bank and get a real performance boost I feel the earlier A64 cpus and mobos lacked. To bad the PCIe problem is still around. I dont want an upgrade that requires a new motherboard with my next GPU purchase.
toNka64 - Tuesday, October 19, 2004 - link
I currently have an A64 3200 Clawhammer on a VIA K8T800, so OCing is a no go without a working AGP/PCI lock. I have a Coolmax Taurus 400w PSU and OCZ EL Platinum 1GB (2x512) memory (2-3-2-5).If I upgraded my mobo to the Neo2 and my CPU to the 300+, do you think i could hit 2.6GHz with my current memory and PSU?
Doormat - Saturday, October 16, 2004 - link
Yea, I'm beginning to think I should get a 3200, a conservative OC would be 2.5GHz at 10x250. And DDR500 isnt that hard to get a hold of. Plus it fits in nicely with a 1GHz hypertransport bus.BBoe - Saturday, October 16, 2004 - link
Is this FSB of 290 for reals? It really sounds like a big leap from the 250 or 261.PrinceGaz - Saturday, October 16, 2004 - link
People who want the best performance and value ought to get the 3200+ instead of the 3000+ as it not only stands a better chance of reaching something like 2610MHz than the 3000+, but it should do so at a slightly lower voltage.More importantly, the memory with the 3200+ could run 1:1 at 261x10 instead of the 290x9 required by the 3000+. Even though the 3200+ will be a little more expensive than the 3000+, theres a much better chance of finding reasonably priced memory which can run at DDR522 with good timings, than there is of memory that can manage DDR580. At least with the 3200+ you've got the choice of a 9x or 10x multiplier to get the best out of your memory.
rjm55 - Saturday, October 16, 2004 - link
I know you used OCZ with Samsung TCCD for this review, but you have said in past reviews that any TCCD will come close to these memory results. That means you can choose Samsung TCCD from Corsair, Mushkin, Kingston, OCZ, Geil, PQI, and probably others. Crucial Ballistix is another choice from your Athlon 64 memory tests. Those concerned about Value ought to shop all the TCCD brands and Crucial Ballistix, because some are cheaper than others.Wesley Fink - Friday, October 15, 2004 - link
#62 - The MSI K8N Neo2 can be set to Auto, 100, 133, 166, 200 (DDR200,266,333,400 or 1:2.2:3,5:6,1:1). With these ratios you could run 290 FSB with a 2:3 ratio (266) and memory would be at DDR387, at 5:6 (333) mem would be running at DDR482.ThePlagiarmaster - Friday, October 15, 2004 - link
Wesley:Could you answer my #43 post about memory ratios on the board you tested with?
Thanks
PrinceGaz - Friday, October 15, 2004 - link
#58- tha major selling point of nForce 4 will be PCIe support, if you don't want PCIe then get an nForce3 instead. The Inquirer claim to have a piccy of MSI's new nForce4 S939 board athttp://www.theinquirer.net/?article=19026
That is presumably the successor of the popular K8N Neo2 Platinum. Its a shame it only has two PCIe x1 sockets and still has four old PCI sockets, I'd have liked to see at least three PCIe x1 and just a couple of PCI for legacy support.
ciwell - Friday, October 15, 2004 - link
Can you address the RAM question posted above?