I don't own a .475, mine is a Taurus RB480. I had an exact double of it in .454 Casull and I honestly couldn't see any real difference in recoil between the .454 with 325s at 1550 to 1600 fps and the .480 with 400s and 420s at 1100-1200 fps. If there is a difference it's too minor for me to detect it.
Now from what I hear the .475 in a FA83 or reworked Ruger is seriously wicked even tho we're only talking about 200 fps more than the .480 with equal bullet weights. The RB handles recoil for me far far better than the FA83 but the cylinder is not long enough for you to gain anything from use of the .475 case as you still can't seat the bullet to any longer C.O.L.
If a 420 grain bullet .475" in diameter moving out at 1100-1200 fps won't kill it then you got no dang business messing with it in the first place, you're only gonna make it mad and most likely won't like what it does to you.