how different?
pornography requires a “sexual act”
Just a naked kid isn’t technically illegal. You can see that all day at “nudist” sites. They even have “beauty contests” for pre-teen girls at nudist resorts where the pervs (who should all die painfully) judge them and then they sell the DVD’s to online perverts (who should die swiftly) who couldn’t be there in person.
Obviously I’m not biased on this matter.