| [Web] Forbes article on next gen IBM powerPC | ANN.lu |
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| Forbes article on next gen IBM powerPC : Comment 50 of 50 | ANN.lu |
| Posted by Anonymous on 17-Oct-2002 09:01 GMT | In reply to Comment 49 (Hammer(Same entity as in amiga.org's forum)):
>A 2X speed 1GHz 750FX(current) is not a quantum leap in computing speed (i.e. imagine o/c 2Ghz 750FX chip).
>PPC 970(future) was only stated to be twice as fast when compared to the existing IBM's PPC flagchip.
Are you aware this was only refering to the clockspeed?
SPEC numbers are in the region of 3GHz+ PPCs.
>In the case of top-of-the-line Intel processors. Did you forgotten Itanium II(Current)(and soon to be released Itanium III(future)?
Not really a desktop chip imho - four times the amount of transistors of PPC970 which is quite comparable to Pentium4 in size (a bit smaller even).
>PPC solution was behind(compared to X86 solution) with the following benckmarks
Its current FPU is not very special, that's well-known.
The PPC970 will be good for 7.2 gigaflops in theory (actually 5.22 dhrystone-gflops).
>(Note that G4 did well in RC5, and the G4 was competitive with X86s in Photonshop 7 test)
PPC really comes into its own territory when Altivec is used - up to 8 flops/MHz :-)
While an optimal use is realized with asm code, I think there will be more support to |
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