This emulator varies based on the game you're playing, and the specs of your system.
But on the bright side, i originally had an early revision 4471 to be exact, then updated to the most recent one, to find a HUGE speed improvement. But like i said, it varies.
Legend of Zelda: Twilight Princess (GC)
Super Smash Bros Melee
Legend of Zelda: Wind Waker
Super Smash Bros Brawl