Is QEMU not an option for this software you need? Can’t say I’m familiar with it as I haven’t installed it on my machine but I have seen people use it for Intel Windows emulation.
QEMU is great for testing things on different architectures, but it's not very good at emulating things at near-native levels of performance. It works by emulating an entirely different CPU architecture entirely in software real-time, which has a monumentally heavier overhead compared to Rosetta's ahead-of-time translation.
Technically, QEMU does accelerate this with some just-in-time compilation and other such optimizations, but it doesn't exactly get anywhere near shooting range of running on bare metal.
Yea, I'm thinking the same. My wifi router is fairly fast, but I wouldn't want to saturate the connection trying to run a VNC/RDP for hours throughout the day.Ethernet is the way to go if your setup permits it. I will admit that wifi periodically drops, but not often which is why I have it plugged directly into my router. Sorry I don't have any numbers to measure network latency, but my experience has been pretty good with this setup.