Many RDP functions have to be reproduced in software for accuracy, which takes a lot of power. It is very hard to emulate all of its functions accurately due to the lack of publicly available documentation for emulator developers. In fact, at the time it came out, it was the most powerful consumer-grade GPU in the world (came out a few months before the Voodoo). The N64's RDP was pretty much the first real 3D accelerator GPU on consoles. The N64 was (not unlike the Sega Saturn) an overly complex machine that was difficult to program for. According to its compatibility list, it can play some commercial games without any major bugs, just with small glitches. But, if you have an old toaster, its an option.
CEN64 aims to accurately emulate the N64 (like MESS), but it requires a high-end computer to run games at full speed.It is still in active development, currently being rewritten for the third time for the upcoming Apple Silicon. Sixtyforce is Mac-only, closed-source, which asks you to pay for it to use all its features.Its core is also very unstable and prone to crashing. MESS uses a very accurate method of emulation, but as a result is very, very slow, so it's hardly usable on most current hardware.
N64 emulation on Wii is not very good, and it is recommended to stick with the Virtual Console N64 releases. Not64 claims to be better optimised, as well as having higher compatibility and more frequent updates.
Daedalus, results are even more hit-and-miss than on other emulators due to being made for PSP first and foremost.Bizhawk lacks portability however, and is only Windows and OSX only. Bizhawk has a port of M64+ and it seems to work well enough.
It was one of our favorite options while it was available. In any case, you can still find downloads for it, but we don’t recommend them. It declined in quality quite dramatically before the end, so we should’ve taken it off of our list sooner. The official website is down, and the only downloads you can find are from third-party sites. YouWave, a once-popular option, seems to have been discontinued.It has been quite some time since the site went down, so we assume development has ceased. However, the website appears to be down as of the time of this writing.
You can still try it out, but you have to browse the official subreddit for download links.