>>3884352The RAW is downloadable from dpreview's site (you can even see the link in the screenshot). Sigma DPP is downloadable from Sigma's site.
Instead of being turbo smug about it, you could've opened up the X3F in DPP and seen for yourself.
Turns out
>>3884408 is right--the Sigma very much can distinguish between the two shades, it's just the shitty defaults that Sigma DPP applies in the raw conversion that make them look identical.