high versus low output

I have been getting back into vinyl the last few months after getting rid of my turntable and records about 28 years ago. I currently have a Rega P5 with a Dynavector 10x5 high output cartridge. I use a Simaudio LP3 phono stage. A friend of mine just upgraded from a Benz Micro Glider L2 low output cartridge to something else. He said I could try the Glider with my P5 if I wanted.
What are the differences between a low output and high output cartridge? What are the advantages and disadvantages of one or the other in terms of sound and phono preamp usage?
I attempted to search the Audiogon discussions but wasn't able to find a thread that gave me a clear answer.