> 
> I have a 4000/60
> 
> I found on the netbsd web pages a page about performances of VAXen
> 
> there is written speed factor 12 and compared to the 4000/90 which is 32
> 
> is it possible that 4000/90 is really twice faster than 4000/60 ??
> anyway how to  compare this (unknown scale) speed factor to something
> resembling SPECint95 ???
> 
The speed factor is VUPS (Vax Unit of Performance) which is almost
like MIPS.
For such low mips values you can compare it to SPECint95 by dividing
it with 50. (It all ends up as rounding errors anyway. :-)

So for the 4000/60 thats about 0.2-0.3 SPECint95 and for the 4000/90
about 0.6-0.7 SPECint95.

/Magnus