More cores generally means nothing in emulation. Very few emulators use multiple cores and only a couple of them use 2, Dolphin is one of the only ones I know of off the top of my head that uses dual cores. I do know that RPCS3 (PS3) does take advantage of multi core CPUs but IMO that emulator is still a long ways off of being ready for general use. Yes it can play a small select few games well but that number really is extremely small.
As for which is better, the AMD or Intel you listed I would have to say the Intel is probably better. But again like I said in my previous post my 8350 @4GHz handles PS2 and Dolphin without issues and with Wii U (Cemu) it depends on the game. Maybe someone with a similar Intel CPU to yours can chime in and provide some hands on answers for you.
It is generally known though that Intel CPUs perform better in emulation than AMDs. AMD CPUs can do it but you may have to brute force it with raw clock speed to get equal performance to a lower clocked Intel CPU.
Also keep in mind that this is purely in terms of emulation, modern gaming and video stuff can take more advantage of multi core CPUs.