I have seen these slides before.

By the slides, 6850 30% > 460 768MB, 6870 25% > 460 1GB.

460 768MB = $179 + 30% = 6850
460 1GB = $229 + 25% = 6870

Okay, so why will AMD release the 6870? The slides show that 6850 > 460 1GB, maybe for the GF112.

Beating a dead

AMD's slides are so hilarious.