sorry to be unfunny but its W... The AXIAs are apparently the same core as the new 1.3ghz t birds and so overclock a bit better as far as I'm aware. Sorry to be a bit vague but I dont pay too much attention to all the the techno babble over at the OCUK forums, if your dieing to know the specifics I'm sure someone there will help you out..........1gig AXIAs can achieve 1.4/1.5 when overclocked hence the big fuss, wouldnt be too worried about the difference TBH youve still got a good chip.
but mines an avia and i jus found a site http://www.athlonoc.com/stepping2.htm which gives you the stepping frequency and it says avia's do roughly 1400mhz-1450 so im happy where did i put that pencill
