They're actually doing two different but complementary things.
MRRS is about the actual results, about program performance and the results of spending. It's about ensuring that your program is actually achieving the outcome you intended, and it's doing so in a way that is effective and efficient.
MAF is actually about management capacity. It's a tool for assessing whether a department, in certain key indicator areas--and we have 21 of those, so in 21 areas of management--exhibits behaviours that are exemplary in terms of those particular management areas, like values and ethics, stewardship, and that sort of thing.
They come together to form a whole. They give you an entire picture of a department at the end of the day. But MRRS is specifically about program performance and the results the spending is generating.