I’m completely at a loss as I have random slowdowns / micro-freezes in all games, 1-2 seconds, and the cause completely eludes me.
During those micro-freezes, the GPU Core load drops to 0 (but memory clock, GPU clock, GPU Power stay level), and almost at the same time there’s a small CPU spike (but not to 100%).
No BSOD, no CTD; sound is unaffected, nothing in the Event Viewer, no significant I/O or network activity during the GPU Core Load drop…
Temps are OK: ~60°C GPU (fans at 50%) and ~70°C CPU Package.
Games are installed on a separate (non-OS) NVMe. Previously (see note below), games were on HDD.
Troubleshooting: I have tried:
- HAGS On and Off
- Resizebar in BIOS On and Off
- Fullscreen or borderless
- DDU (3 times), drivers re-install with all settings left on default
- Gaming on second OS (dual-boot) with a barebones fresh Win install. Same issue.
Changing CPU affinity and using BIOS settings to avoid E-Cores
Win10 fast startup is disabled, all GPU stability tests (Furmark, MSI Kombustor, 3DMark…) pass just fine.
Setup:
- GPU: RTX4070 Dual, no overclocking, with drivers: 537.42, installed after DDU
- CPU: 13900k, no overclock
- Mobo: Asus Z790 Hero, latest BIOS 1501
- RAM: G.Skill Trident Z5 64GB (2x32GB) DDR5, XMP 1 enabled (6000 Mhz), no overclock
- PSU: Be Quiet! Dark Power 13 850W (ATX 3.0)
- OS: Windows 10 Pro, build 19045, clean install
Note: I did not have those issues at all with my previous PC (4790K, same graphics card). On that older machine, I did many, long, gaming sessions without any problem. In a way, the main difference between the 2 machines is CPU/Motherboard.