Year-on-year comparisons for Advanced Micro Devices Inc’s first six months of fiscal 1993 look superb of course as its Am386 parts go out in volume, (see Company Results, page svene) but price attrition in the iAPX-86-compatible market has caused the company to run into the buffers, with turnover growth plunging from 48.4% in the April quarter to only 18% in the June quarter.