Having owned both, it always surprised me how different each bass was.
Its not too far an exaggeration to think in terms of chalk and cheese, they really are (surprisingly!) that different.
If I had to chose, I'd go for the 5, which is without doubt Fenders best 5 and amazingly given all those different voices is passive
The 4 is interesting and well made, not Fenders best 4 but a great bass nethertheless, enjoy