This question is far too general. There's no hard-and-fast rule that can be applied generally in this fashion. And even then, it's mostly moot; it's only open loop water cooling that really ever moves that far past top-end air cooling.
This question is far too general. There's no hard-and-fast rule that can be applied generally in this fashion. And even then, it's mostly moot; it's only open loop water cooling that really ever moves that far past top-end air cooling.