GPU usage in 20w22a is significantly higher than before

I wanted to check in the modification logs the graphic modifications and I tried the snapshot with only the game without adding anything and testing certain parameters, I have an Nvidia Geforce 820M, the game continues to use the GPU at 100%

"in this new snapshot some experimental modifications concerning the graphic rendering, this could cause certain problems on a small number of older graphics cards."

I followed the indication to report