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- Yes, if you have one GPU, it is driven by x16 pci-express bus speed. But if you insert a second one, both cards are driven with x8 speed. Consumer CPUs aren't designed to output 2 cards simultanously with x16 speed. They split the data transfer to 2x8, one x8 for each separate card. If you have 3 GPU cards, you get 1x8 and 2x4.
obsproject.com/forum/threads/two-gpus-and-1-pc.96848/
People also ask
Should I encode a frame from one GPU to another?
Which OBS encoder is best for 1080p streaming?
What OBS encoder should I use?
Can I use OBS on a separate PC?
What OBS encoder should I use with AMD Ryzen 5?
Should a 2nd GPU encode a second monitor?
You can still use a capture card, or you can use NDI (which may work well because each VM will get a virtual 10 GbE interface, assuming the CPU has enough to encode and your GPU still has enough to render a single OBS scene with only the game capture).
May 23, 2023 · If you have an Intel CPU and running the game on an external GPU, you can use Quicksync on the iGPU as encoder, which is effectively offloading encoding to a different GPU. Using Quicksync on the iGPU isn't wasting that much resources as using a hardware encoder on an external GPU.
Oct 26, 2021 · If you want your recording process completely independent from the game and putting no load on the game GPU, you need to capture the monitor output with a capture card and use a 2nd PC where you do all encoding.
Jul 9, 2023 · Set up correctly, NVENC has zero impact on in-game performance, as it is a separate part of the GPU die. NVENC on the 20-series through the 40-series is virtually identical, other than the 40-series' ability to encode in AV1.
I definitely agree their H264 encoding at low bitrates don't output great quality video. However, if you're recording, bumping up quality or even switching to the H265/HEVC encoder will provide much better video quality.
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:
Jul 11, 2023 · Recommended OBS Encoder Setting: x264. The x264 encoder is a good fit for the combination of a Ryzen 5 and a Radeon RX 500 series GPU. For 1080p streaming, consider a bitrate in the range of 3500 to 4500 kbps with a 'faster' CPU usage preset. AMD Ryzen 7 with Radeon RX 5000 series.
