More details on AMD Athlon 64 with dual-channel memory support
Japanese mass media posted some more details about AMD intentions for new 32/64-bit desktop Athlon 64 processors. They says that the first chips, to be announced in September, will have 1Mb L2 cache and single-channel memory controller. According to provisional information, Athlon 64 initial clock speed will be 2GHz (3400+) and 1.8Ghz (3100+). This is naturally about stepping C chips, as stepping B ones could feature clocks up to 1.8GHz only.
By the year-end CPUs will reach 3700+ rating (2.2GHz), achieving 4000+ (2.4GHz) level early next year. All 0.13µm Athlon 64 solutions will initially support single-channel DDR400.
Further plans for early 2004 include the 0.13micro;m Paris-based processors with 256Kb L2 cache. Followed by Victoria-based 90nm Athlon 64 with same L2 cache amount, both will support single-channel DDR only. And only the San Diego-based 90nm Athlon 64 with 1Mb L2 cache will have a dual-channel DDR400 controller. This core is said to be scheduled to Q2 2004.
According to Japanese sources, this latter Athlon 64 will be packed into the same 754-pin casing. Most likely the first San Diego-based 90nm Athlon 64 CPUs will start from 2.4Ghz (4000+). As for the DDR2 support, we still have no information on it. I guess DDR2 will be initially run in server Opterons.
Source: PC Watch
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