Hello Razor, here is my test (I did make a post before but I had to delete it since I used a reflate files by mistake):
My spec: Ryzen 7 2700 (8c/16t) + 16GB RAM.
Bat file editied for 128mb chunk size.
Here's is XTool using all 16 of my threads:
Testing on pak file from Astroneer:
Start size: 2.13GB
End Size: 3.75GB
No differences encountered
Not entirely sure how I'd go about testing it in a setup...