In SC1: 1M Challenge competition
2002: Thoroughbred
All processors allowed
and in SC2: 3DMark03 Single GPU Historical Battle
2002: Northwood vs. Thoroughbred (Nvidia GeForce 4 series, ATI Radeon 9000 series family)
AMD: All processors allowed
In this stages only Thoroughbred allowed or we may use Palomino, Thorton, Barton and Duron