On 11 Nov 2006 at 7:24, Peter C. Wallace wrote:
Not sure but we waited for 33 MHz 386's because
our PC layout software ran
significantly faster on our 20 MHz 286's than 20 MHz 386's. It was a
noticeable difference, maybe 20%...
There were similar anomalies throughout much of the Intel x86 line.
Early Socket 4 Pentiums could be outrun by a 486DX2 in some
circumstances and early P4s could be outrun by a P3. Or a Pentium
Pro could be substantially slower than a Socket 7 Pentium when
executing 16-bit code, and so on.
Cheers,
Chuck