I tested this morning Mega 65 in C64 mode at 48MHz. Surprise was that it was not so faster vs SuperCPU
So, results of Mega 65 mode C64 vs SuperCPU128
M65 mode C64 at 1MHz = 08:54:31
M65 mode C64 at 48MHz = 00:14:17 - only ~1 min. faster than SCPU
C128 VIC-IIe at 20MHz = 00:15:02
C128 mode C64 VIC-IIe at 20MHz = 00:27:36 - much slower than M65
C128 VDC at 20MHz = 01:20:22 - for correction time must to be divided by 2 = ~00:40:11 - even much slower...