Slightly? It’s like night and day to me. I think the design of CPY was unfortunately a bit stiff and those subtle nuances of Frank’s puppetry were lost. All those little things that make Yoda Yoda were evident here.
Luke may have sunk his X-Wing to ensure he wouldn’t ever be tempted to leave. (And avoid detection if a ship ever passed by?) Dagobah swamp is one thing, I doubt it would be flyable after being in the ocean for too long.