good question. a rumer i also heard that the San Diego core was a defective Venice, but that is only a rumer i heard. Rob, right now the joke is on me mostly b/c i never got the 64bit cpu and my friend did. but once i feel like upgrading, im gunna get a dual core and laugh at him for getting a winchester. but i must still say, the winchester is a good chip. p4 3.0ghz @ 222X15=3330mhz 512mb pc3200 dual channel @222mhz 80gb wd hdd/40gb maxtor when on linux 8x agp geforce 6200 @ 549/585can't unlock extra pipes. plz help if you can Audigy 2 ZS<b

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Yea, I had read that about the Venice core as well. It wouldn't be the 1st time AMD did that...the Thorton core XP is supposedly a Barton with 1/2 the L2 cache disabled. Asus A7N8X-X 1800+ @ 8.5 x 200MHz 768MB PC3200 Asus A9550 128MB/128-bit Gamer Edition WinME/WinXP Pro

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If that's right then wouldn't the venice be the defective san diego with half the cache. As the san diego has the 1mb l2 cache and the venice has only half that. ASPIRE ATXB4KLW-AL Antec 400W ASUS A8N-SLI Deluxe AMD 3700+ San Diego Corsair 1GB 2x512 eVGA 6600GT 250GB Hard Drive Sound Blaster Audigy Windows XP HOME W/SP2

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that is correct. p4 3.0ghz @ 222X15=3330mhz 512mb pc3200 dual channel @222mhz 80gb wd hdd/40gb maxtor when on linux 8x agp geforce 6200 @ 549/585can't unlock extra pipes. plz help if you can Audigy 2 ZS<b

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I can't wait for the Dual Core myself.

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tigerdirect.com already is selling the p4 dual cores http://www.tigerdirect.com/applications/SearchTools/item-details.asp?EdpNo=1424117&sku=CP2-P4-840%20C too bad my mobo doesn't even support socket 775 p4 3.0ghz @ 222X15=3330mhz 512mb pc3200 dual channel @222mhz 80gb wd hdd/40gb maxtor when on linux 8x agp geforce 6200 @ 549/585can't unlock extra pipes. plz help if you can Audigy 2 ZS<b

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Processor /Core /L2 cache /Manufacturing process AMD Athlon 64FX /Sledgehammer /1MB /130nm AMD Athlon 64 /Newcastle /512KB /130nm AMD Athlon 64 /Winchester /512KB /90nm AMD Athlon 64 /Venice /512KB /90nm SSE3 AMD Athlon 64FX /San Diego /1MB /90nm, SSE3 AMD Athlon 64x2 /Manchester /2 x 512KB /90nm, SSE3 AMD Athlon 64x2 /Toledo /2 x 1MB /90nm, SSE3

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i just read a review of the venice vs. san diego issue. it appears that the san diego is the chip whose L2 cache worked more completely. the venice had some of its cache not work, so they disabled half of it. furthermore, the san diego is the same core that is used in the athlon 64-FX-55 and 57. however, on the non FX chips, its core multiplier cannot be increased. The review also covered overclocking results between the two cores. at 2.6 Ghz for both venice and san diego, gaming FPS rates were approximately the same (doom 3 run at 1280x1024). However, the venice vcore voltage had to be increased by approximately +.2V and the San diego core was able to overclock from 2Ghz to 2.6Ghz without increasing the core voltage. In my opinion this says that the San diego is a hell of a lot more overclockable. the Venice was probably topping out around its 260Mhz system freq. i think the San diego could be pushed to 360Mhz (with the right mobo (asus) and cooling setup). this difference in the end would be 2.6~2.8Ghz (Venice) and 3.6Ghz (san diego) for a fixed core multiplier between the two at 10x. and in overclocking, i would rather not have to increase the processor voltage. for non-overclocking use, the processors perform approximately the same.

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