[Miscguy]

[code:12865] NV38 NV40 R360 R420
Transistors 130M 222M 110M 160M
Core clock 475MHz 400MHz 412MHz 500MHz
Mem clock 950MHz 1.1GHz 900MHz 1.12GHz
Memory Bus 256bit 256bit 256bit 256bit
Vertex Pipelines ~4 6 4 6
Pixel Pipelines 4x2 16x1 8x1 16x1
Shader Model 2.0+ 3.0 2.0 2.0+
Fab Process 130nm 130nm 150nm 130nm[/code:12865]

R420 is the new x800, and the R360 is the 9800. So not only did you get more clock speed, and faster memory they upped the vertex and pixel pipelines, dropped the die size and crammed more transisters on.

The nv40 is the 6800, and if i recall the nv38 is the 5950.