A little observation I noted only today, forgive me if this has been posted about before.
I tend to only use DeepPrimeXD for the very most demanding scenarios (ISO 10,000 or higher). For the work I do, I don’t often need to crop into an image a huge amount to get the composition I’m after. For ISO values below 10k I often cannot notice a difference between the two NR methods, but exporting with XD does take noticeably longer on my machine (Mac Mini M1). I appreciate that other peoples experiences and opinions on when they choose to use XD will be different to mine, and that is the great thing about having choice 
Anyway, this isn’t intended to be a thread about comparing image quality of DP vs DPXD, there are plenty of threads about that already
I exported some files using XD by accident. After they had exported I altered them to regular DP. I carried on editing the rest of the images from the set, and selected all images to export using DP.
I hadn’t deselected the previously exported files, so chose to export the first images again.
After export I noticed that all the XD files were of a greater size. See screen grab.
So I guess this is another factor to consider. If the file size is critical, for example website use, then one should consider if XD is required.
Blue highlighted files are regular DP. Files exported at 90% quality jpg.
