Not sure if it used the akiko in any case.
The akiko, I believe, is able to take a block of 32 8-bit chunky pixels and spit them out as 32 words to separate bit planes at about the same speed as a 68040 is. By the time you get to 68040, the time it takes to physically push the data to chip ram has actually become the dominating factor. Of course, your 68040 could be doing something better with it's time, eg calculating the next frame.
It's probably fair to say that with an accelerator, the akiko is quite handy. Though it'll never be as quick and easy as just having a chunky display card.