Hi and thanks for reaching out. My name is William. I'm a Microsoft Windows Certified Professional and Systems Administrator. I'll be happy to help you out today.
The stop code on all these dumps is consistently reporting VIDEO_ENGINE_TIMEOUT_DETECTED (141). The stack trace is conclusive as to the cause, with issue happening in the video subsystem and the MS DirectX graphics engine:
1: kd> k
Child-SP RetAddr Call Site
00 ffff918587317820 fffff804a07c0ea0 watchdog!WdpDbgCaptureTriageDump+0x64a
01 ffff9185873178d0 fffff804a0660db9 watchdog!WdDbgReportRecreate+0xd0
02 ffff918587317930 fffff804a28f1369 dxgkrnl!TdrUpdateDbgReport+0x119
03 ffff918587317990 fffff804a2991615 dxgmms2!VidSchiResetEngine+0x709
04 ffff918587317b40 fffff804a296524b dxgmms2!VidSchiResetEngines+0xb1
05 ffff918587317b90 fffff804a28cb74f dxgmms2!VidSchiCheckHwProgress+0x2815b
06 ffff918587317c00 fffff804a294abb5 dxgmms2!VidSchiScheduleCommandToRun+0x4f
07 ffff918587317cc0 fffff804a294ab6a dxgmms2!VidSchiRun_PriorityTable+0x35
08 ffff918587317d10 fffff80514c7cdd5 dxgmms2!VidSchiWorkerThread+0xca
09 ffff918587317d50 fffff80514e114f8 nt!PspSystemThreadStartup+0x55
0a ffff918587317da0 0000000000000000 nt!KiStartSystemThread+0x28
The fault is manifesting in the Nvidia display driver:
SYMBOL_NAME: nvlddmkm+b52610
MODULE_NAME: nvlddmkm
IMAGE_NAME: nvlddmkm.sys
FAILURE_BUCKET_ID: LKD_0x141_IMAGE_nvlddmkm.sys
1: kd> lmvm nvlddmkm
Browse full module list
start end module name
fffff804a3b10000 fffff804a51e4000 nvlddmkm T (no symbols)
Loaded symbol image file: nvlddmkm.sys
Image path: nvlddmkm.sys
Image name: nvlddmkm.sys
Browse all global symbols functions data
Timestamp: Fri May 15 19:55:17 2020 (5EBF2BE5)
From the looks of it, you are several month behind with driver builds and you should go off and update to current Sept build.