Trump has pardoned far fewer people, but for the same reason the ratio of compassionate to corrupt pardons under Trump is much worse. Dozens of Trump's pardons had some direct benefit to him or his cronies. And among modern presidents he has pardoned strikingly few people.

I am not aware of any corrupt pardons under Obama similar to that of Marc Rich under Clinton, much less more egregiously corrupt pardons like that of Ford by Nixon or Manafort by Trump.