Intel's 64-bit Pentium 4 processors have gone on sale in Japan, local media report.

The chips, which feature Intel's AMD64-like EM64 technology, aren't new. Launched in August 2004 (http://www.theregister.co.uk/2004/05/28/intel_64b_prescott/), the chips were geared toward workstation and server roles. Indeed, the boxed units that went on sale this week are clearly labelled "for uni-processor workstations and servers". However, their arrival in Japanese computer-component stores suggests the parts are now being offered outside OEM circles.

All four clock frequencies are available: 3.2, 3.4, 3.6 and 3.8GHz. The latter was only launched last month. Intel's official price list has the four chips down at $278, $278, $417 and $637, respectively, when sold in batches of 1000 CPUs.

In Tokyo stores, they're priced at ¥30,980 ($300), ¥32,175 ($312), ¥47,157 ($457) and ¥78,084 ($756) on average, respectively.

All four chips use the LGA775 socket infrastructure. The chips all sport an 'F' after their clock speed to indicate the presence of EM64T. ®

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