Cell vs. GPU vs. CPU

A slide presents transistors and chip area for Cell, GPUs, and CPUs. The following are other resource comparisons I am interested.

	Cell	HPC Cell	Intel Clovertown	AMD Winsor+	ATI R580 X1950	nVidia G80 GTX
Memory on Chip	512KB(L2)+ 256KB(LS)x8	512KB(L2)+ 256KB(LS)x8	4MB(L2)x2	1MB(L2)x2	(TC)	16KBx16(SHM)+ (TC)
Memory off Chip	25.6 GB/s	25.6 GB/s	10.41 GB/s(FSB)	17.0 GB/s (DDR2-1066x2)	64.0 GB/s	86.4 GB/s
IO	25.6 GB/s	25.6 GB/s	10.41 GB/s (FSB)	22.4 GB/s (HT)	4.0 GB/s (PCIex16)	4.0 GB/s (PCIex16)