These spots aren't similar one is 4-way and the other is heads-up. In hand #1 we have to consider 4 villains ranges whereas in hand #2 we only have to consider the one villains range.
Hand #1 - I'm check folding this all day long.
Hand #2 - I'm betting for value here vs most villains, we can't check and give him infinite odds to hit an over-card or a club.