You should take it as soon as possible and also need a 260 or above to be taken seriously in any radiology residency. Anything below that may get you kicked out / acceptance revoked.
Seriously though, the answer is no, it doesn’t matter at all
However, fellowship applications do ask for your actual step scores, not just that you passed. Some competitive fellowships will use the scores to split hairs.
Having said that, you can still get a great fellowship even if you just pass step 3.