Sorry, but all of this is meaningless, as there is no true reference - only byproducts of various scans, as compressed, down-rezzed and otherwise affected.
Normally mentioned in reviews, or called out if problematic. I'd like to avoid more line items in the reviews, as eventually it becomes akin to ordering a Porsche.
Another Cameron film that's been languishing in DVD hell for decades, finally makes it way - not to Blu-ray - why stop along the way - but direct to 4k UHD, using the same secret sauce that's used for the other two in this release series, as well as for Titanic.
I'm aware that there are those...