The Inquirer discovers what appears to be an unofficial roadmap for upcoming AMD Athlon XP, Duron, Athlon 64 and Athlon 64 FX CPUs a fellow uploaded at image hosting site PBase here.
With regards to the Socket 940 Athlon 64 FX (SledgeHammer), the roadmap suggests that an FX-53 model (approx. 2.20GHz) should be ready by this November. It also points out that an FX-55 model (2.60GHz) may enter the fray not long after that, being labeled for a "Q4 2003" launch. And yes, both CPUs will still need to be used with ECC registered DDR DIMM on your Socket 940 motherboard.
The Socket 754 Athlon 64 meanwhile will see both a 3000+ (1.80GHz) and 3400+ model (2.20GHz) join the already-launched 3200+ (2.0GHz) this October. Then, by the fourth quarter this year we may see an Athlon 64 3700+ (2.40GHz).
The San Diego and Victoria cores were revealed much earlier this year (news), and the roadmap clarifies what AMD may have in store for both of them, at least in the 64-bit computing arena.
First off, the San Diego will support 4-layer Socket 939 motherboards, which are cheaper than the current Socket 940 motherboards utilizing a 6- to 9-layer design. Socket 939 also opens up the option for the use of standard DDR memory, making a CPU under that particular pinout a little more attractive for the mainstream audience than the Socket 940 offerings. The first example of the San Diego core is reportedly an Athlon 64 FX-57 (2.80GHz), slated for a Q1 release next year.
While previous news reports have suggested that AMD would use the Socket 754 Victoria as a "32-bit Athlon 64" rebranded as an Athlon XP (news), the roadmap still labels the first Victoria core CPU as an Athlon 64, due sometime in Q3 2004. It's processor speed is still not confirmed however, so this may or not necessarily debunk the previous Victoria rumors. One thing that hasn't changed though, is the Victoria's lack of dual channel DDR memory support like its Socket 754 ClawHammer brother we're all so familiar with by now.