Originally Posted by TRWOV
HD6950/70 were a new architecture (VLIW4) it wasn't a refined VLIW5. All ATi cards from 9800 to HD6800 were VLIW5.
I looked this up the other day. I was left with the impression that vliw4 was basically vliw5 with the 5th pipe cut out, because it was rarely used after they did some game profilings. Most peak usage was 3-4 pipes at a time. Cut 20% per unit, and stamp 20% more units out.