The 486 at the same CLOCK is NOT as fast as the 040 at the same
clock speed.  The '040 also has much better floating point unit.
Now the DX2-66 is faster than the '040 at 33Mhz.  But for your
reference the 486 at 33 mhz gets ~14MIPS while the '040 at
33mhz gets ~20MIPS.
