The 65xx machines were more like '91-'93,
and much *much* faster than the
first 6000 machines.
-Dave McGuire
See
http://www.digital.com/timeline/1990-4.htm
Looks like the 6500 was about 13 VAX-11/780 MIPS. That would make it about
2x to 3x slower than a 486DX2/66.
-Mike