PC lag running MiniMax locally? Exploring GPU reservation strategies during ComfyUI rendering
NetworkSpecial3268 · reddit · 2026-08-04
A developer running MiniMax video generation via ComfyUI on a Windows 10 machine with an RTX 3090 eGPU is experiencing severe system UI lag.
The Dilemma:
- Assigning everyday apps to the Intel integrated GPU didn't work flawlessly; system processes (like Explorer) and certain apps still hit the discrete GPU, causing sluggishness.
- Multi-monitor setup requirements prevent the workaround of plugging displays directly into the laptop to free up VRAM.
- Using ComfyUI’s --reserve-vram 1 startup argument proved unreliable.
The user is asking the community for a verified method to reserve GPU performance for the Windows UI and selected apps while the GPU is churning out videos.
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