Everytime I read an interview by programmers of 16-bit games, they always spew incorrect facts about the SNES, just to make the Sega Genesis look better than.  You can look up the hardware specs on superfamicom.org, you'll see that I'm not making this up.  Here are some of the myths that these programmers made up, that are still being spread around.

Myth: SNES doesn't have built in multiplication and division.
Truth: There are multiplication and division registers located in the $42xx range.

Myth: 65816 instructions take more cycles than 68000.
Truth: 68000 instructions typically take 3 or 4 times as many cycles as similar 65816 instructions.

Myth: The SNES has slower memory accesses the Genesis.
Truth: The 65816 accesses memory every cycle, while the 68000 only accesses memory every 4th cycle, meaning that the Genesis accesses memory at only 1.9Mhz.

Myth:  The 65816 can only access 64k "at one time."
Truth: The 65816 has long absolute addressing, long indexed addressing, indirect long addressing, indexed indirect long addressing.  It also has long jumps, and long returns.