A PC4000 DIMM chip is better than PC3200 because it runs at higher clock speeds. This results is faster transfer speeds.
PC-3200
400MHZ DDR PC3200 ------ 184 pin Dimm
single-ranked
Single-ranked DIMMs cost more but perform better b/c the controller accesses all chips at the same time.
Those are totally different things.
PC3200 is a kind of memory for computers. It is compatible with a computer if the BUS speed of the RAM module is 400MHZ or megahertz. The memory chip will have PC3200 written on it for easy identification.
One can purchase a PC3200 DDR400 from the website Ebay. Once on Ebay one can find a seller who is selling the PC3200 DDR400 and make a bid in order to purchase it.
dimm is better, dimm is faster, most motherboards is designed to work with this type of memory..
dimm
DIMM is an open standard. DIMM is also copyrighted open standard.
DDR
Bank