Don't worry about which is which. Do they sound different ?
The closing credits music sounds quite similar to my ears, with the digital being just a little hotter as SilverWook suggested it might.
Dialog levels, effects, and even music during the movie seem quite different.
Not different dialog or different effects, but mixed at different relative levels.

(assuming it's the same analog mix from the 1985 pressing)

Good point. There's one way to find out . . . I'll have to record the earlier pressing.
I suppose then we'd also have to compare this digital mix with some other contemporary release such as JSC or SWE.