I'll do my best, since I don't know much about comparing these numbers.
Here's a copy and paste from the DELL order. The key components (I think):
DIM 9200,CDCR, E6400 (2.13GHZ),DCT,2MB
2GB DDR2 SDRAM AT 533MHZ-2X1GB,DIM,P
NVIDIA GEFORCE 7300 LE,DIM,P
320GB SERIAL...