Micro stutter after hibernating computer

Coming back into Windows 10 64 bit from hibernate results in micro stutter. Not very visible in office/browsing kind of use, but when playing multimedia, the audio stutter is clearly audible. Visual stutter is harder to find, but I am pretty sure that's happening too.

The 1700X runs at default speeds, but is undervolted. I have and want to, because of the (known) Vcore spikes with this model. Running stock, the Vcore might hit 1,52V. (This is a known problem, do not tell me to replace the CPU.) Vcore is about -0,15V from default. The SOC is running slightly above 0,95V. Both voltages are already increased a bit to see if the stutter phenomenon disappears. It does not, thus this topic.

 

AMD Ryzen 1700X

G.Skill Trident Z 3000MHz

Asus Prime B350-Plus

Samsung 960 Evo

Club3D Radeon R9 280

Seasonic S12II 520W

be quiet! Pure Rock

G.Skill Ripjaws KM780 RGB

MadCatz R.A.T. 7

 

Temps are fine.

After rebooting, the stutter is gone.