I don't know what credit we should give to Xbench. I have been lurking on their sites, and looked at the performances of the single G5 tower 1,8. The results where varying from 130 to 190 and it was not a question of memory.
Nobody have an explanation of the poor level of performance of the Imac G5, who perform like an old Imac. Strange for a 7200 rpm SATA disk, also used by the towers.
Interesting to see that the level of performance of the memory is good, dispite the slower bus. On Kingstom site, it seems that the Imac G5 is able to work on dual channel when two RAM of equal sizes and specs are used.
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