Linked by Thom Holwerda on Thu 7th Jul 2005 19:16 UTC
IBM has today presented various new versions of their G5 processor at the Power Everywhere Forum in Japan. Firstly, it introduced the much-anticipated PowerPC 970MP, the dual-core version of the G5. In addition, they also announced 3 low-power G5s, ranging from 1.2Ghz at 13W to 1.6Ghz at 16W. These processors will most likely find their way into Apple's Macs.
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Member since:
2005-07-06
These new low-power G5s are probably just underclocked G5s with reduced core voltage and perhaps some extra power saving features thrown in.
Nothing wrong with that, that's how laptop processors are usually developed. Intel only did the Pentium M because the Netburst pipeline was simply too long to get decent performance at laptop-compatible clock rate and power consumption.
Trouble is, the clock rates of those not-yet-delivered G5s are pretty disappointing even compared to Pentium Ms shipping today. (And no, the G5 has no big clock-for-clock advantage over either Pentium M or Athlon64, except for SIMD code).