That appears to be 2.0 vs 5.1 -- so, apples to oranges.
The fairer comparison might be
HERE to
HERE. Still different, but not quite as.
Both sound good to me, btw. I don't take the low DR numbers -- derived from crest factors -- generated by tools like TT Meter as automatically meaning 'bad' sound, the way the makers of that loudness war website appear to. For reasons why, see
Ian Shepherd's videos, and the discussion
here. I don't generally bang on about compression except when I'm making the point that when the industry sells you 'hi rez' product, it
doesn't necessarily mean 'wide dynamic range'. That's rather underhanded of them, and I'd rather have a 'true' dynamic range that's on a master tape (if it's an analog source), but in practice, for me at least, it's the *EQ* choices that really make or break a mastering.