Has AMD begun shipping its Athlon 64 4200+ to OEMs? Apparently so, if leaked processor specification screengrabs posted on a Chinese web forum are genuine.

The shots, initially posted on Digital-Info and re-published on XtremeSystems, purport to show the 4200+ up and running. Unfortunately, the test utility CPU-Z reports the chip as an Athlon 64 2200+, but the 2.6GHz clock speed, 1MB of L2 cache and presence of SSE 3 instructions suggest the part is a second-generation 90nm part, codenamed San Diego.

San Diego is due for release during H1 2005, according to AMD's public roadmap, but some sources have pointed to a Q1 debut. The arrival of the 4400+ is believed to be earmarked for Q2.

AMD's roadmap also lists the arrival of Venice Athlon 64s during H1, although their placement suggests a lesser spec than San Diego - most likely a reduced, 512KB L2 cache size.

To date, the fastest Athlon 64 AMD is the 2.4GHz 4000+. ®

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