divx5 vs divx4

[harel]

how much faster divx5 than divx4 if i use flaskmpeg with deinterlaced with amd 1200 mhz

[Acaila]

It's not like we have a formula that says with "a" CPU and "b" filters at "c" resolution you'll end up with "d" speed...

The best way is to just try it out for yourself and see with your own eyes what speed you'll get.