Cache is faster than RAM...
10 ns RAM is faster than 60 ns RAM.
SDRAM is faster than DRAM!
A memory cache is small amount of RAM that is much faster than the rest of RAM?
RAM is faster
RAM is far faster than a hard drive.
memory cache
Virtual memory is memory taken from your HDD and converted into ram. Ram is the actual memory chips installed in the memory modules on your motherboard that are used for running processes,programs(etc.)
DDR400 RAM contains better hardware and faster processing speeds. The DDR400 RAM is able to perform tasks at a significantly faster rate than normal RAMs.
Ram Rom PROM
short answer : cache chip is more expensive than ram
RAM