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- The reason this happens is because most modern laptops will come with two GPUs: An integrated GPU (iGPU) for 2D applications/your desktop, and A discrete/external GPU (either NVIDIA or AMD) for 3D apps and games. OBS Studio can only run on one of these GPUs but your open applications and games could be running on either.
obsproject.com/kb/gpu-selection-guide
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Can I use OBS Studio on a laptop or multi-GPU system?
Why does OBS Studio only run on one GPU?
Which GPU do you use for OBS?
How do I specify a GPU for OBS Studio?
Can I use game capture if OBS Studio is running on a discrete GPU?
Why does OBS Studio crash if I use a different GPU?
Apr 24, 2023 · When using OBS Studio on a laptop or multi-GPU system, you may run into performance issues or issues using a specific capture type (i.e. Game or Window capture). The reason this happens is because most modern laptops will come with two GPUs:
Yes. Should you do it? No and here's why: First of all (in laymans terms): With the new NVENC encoder option in OBS Studio, the captured frame is kept on the GPU, if you have to move the frame from one GPU to the other GPU for encoding, you loose time and performance. Second:
Nov 1, 2018 · The only workaround so far seems to throttle the game to not fully use the GPU, or to use a capture card to a second PC to completely offload grabbing and processing the frame data. The solution to this issue would be a preemptive scheduler on the GPU to let multiple apps get their fair share of GPU resources even if the apps don't cooperate.
Aug 25, 2021 · Having a compatible system does not guarantee that it is capable of streaming or recording using OBS Studio. The CPU requirements vary considerably depending on the chosen encoder, resolution, FPS and your scene complexity.
The main thing we need to know is if we can actually properly use 2 video cards if we are running multiple instances of OBS. You can select the GPU in OBS, so if you run multiple instances of OBS, their workloads can be spread over multiple GPUs (and their encoders).
Multi-adapter Compatibility: Used for systems that have multiple GPUs (such as a laptop). It changes the capture method from shared texture capture to memory capture. Memory capture is far less efficient than shared texture capture, and this option should only be enabled if you have no other options.
May 24, 2022 · This blog post will help you get Obs running for Intel GPU with the best settings. We’ll look at how to set up your recording resolution and bitrate, as well as some other tweaks that can make a difference in performance.
