You'll never get exact matching colors between a digital representation and a physical sample - there are too many variables at play an distinct physical differences that can't be made up.

I have never found the Pantone hexs to be particularly close to even the basic coated/uncoated guide colors, either, despite having about as good of a color matching setup as one can get at the prosumer level (and do not see how going from the four-digit to five-digit range would close the gap in color accuracy on thee hexes)

As someone with 3 Pantone decks and 2 RAL decks within arm's reach while writing this, I've never understood the value proposition of these virtual libraries beyond a quick and dirty starting point for digital representation. When something goes to print, your printer isn't going to be comparing against what it looks like digitally, either. They'll either use their proprietary spot ink/dye mix/etc., or pull out their guide and compare physical to physical.

Every time I've sent stuff to a printer that has spot color in it, they've wanted it manually referenced as well, so I've never been able to just hand over an EPS or PDF that had spot color in it and get it done without additional work anyway.