While practically all of the Athlon 64 single-core processors have remained at the same price point since our last CPU price guide, we can see that only the AMD Athlon 64 FX-57 San Diego [RTPE: ADAFX57BNBOX] has seen any significant price adjustment. Coming down $166, the FX-57 is now at an even $845 shipped.
On to the more reasonably priced processors, the AMD Athlon 64 3700+ San Diego [RTPE: ADA3700BNBOX] is priced at about $215. Honestly though, if you're looking to spend a tad more than this amount or even higher, we would like to remind you that you could easily go with a dual-core processor for about $30 more. Something from either Intel or AMD would be perfect. Just for comparison's sake, you can go with the Pentium D 820 for about $245 shipped or even the Athlon 64 X2 3800+ for about $300 shipped.
For a decent low-end setup, the socket 754 processors are still a viable option. The AMD Athlon 64 (754) 3000+ Venice [RTPE: ADA3000BXBOX] is reasonably priced at about $130 shipped.
While the AMD Athlon 64 (754) Mobile 3000+ [RTPE: AMN3000BIX5AR] is also a fair alternative, on sale for an even $118 shipped. This isn't exactly the lowest price we've seen by any means, but we would still like to point out that the AMD Athlon 64 (754) 3700+ 1MB Hammer [RTPE: ADA3700AEP5AR] is available for about $209 shipped after a $50 mail-in rebate, found over at TigerDirect. This mail-in rebate is valid until January 31st, 2006 and must be postmarked within 30 days of purchase.
To see how the current price of the A64 3700+ fairs, check out the graph below:
AMD Athlon 64 (754) 3700+ 1MB Hammer
For a very low budget-based system, the Sempron 64 can be a great choice for your needs. The AMD Sempron 64 (754) 2800+ 256KB Palermo [RTPE: SDA2800BXBOX] seems reasonably priced at an even $75 shipped. If you start getting into the $100 price range in the Sempron 64 line-up, we suggest going with a low-end Athlon 64 (socket 754) which contains twice (or even four times) the amount of cache of the Sempron 64's. For instance, the Sempron 3400+ vs. the Athlon 64 3000+ (Venice) saves you $6 for half the cache - not at all worth it, in our opinion.