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| laptopwiki:guides:other:nvoptimus [29/12/2022 17:59] – dustojnikhummer | laptopwiki:guides:other:nvoptimus [08/01/2023 19:19] (current) – [What is Nvidia Optimus?] dustojnikhummer | ||
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| - It lowers performance. Since the dGPU is giving frames to the iGPU and that passes it to your monitor, performance can suffer, sometimes up to 20%. See [[https:// | - It lowers performance. Since the dGPU is giving frames to the iGPU and that passes it to your monitor, performance can suffer, sometimes up to 20%. See [[https:// | ||
| - If your HDMI, USB-C or DisplayPort ports are connected to a dGPU, you can bypass Optimus that way even if you don't have a Mux switch. | - If your HDMI, USB-C or DisplayPort ports are connected to a dGPU, you can bypass Optimus that way even if you don't have a Mux switch. | ||
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| ==== What is a MUX Switch ==== | ==== What is a MUX Switch ==== | ||
| MUX switch allows switching off the iGPU, but you need to restart the device. When the iGPU is off, the display output won’t be routed through the iGPU, so there will be no performance hit, and no RAM will be reserved for the iGPU. This isn't Nvidia exclusive as Lenovo showed on their all AMD RX6000 Legion | MUX switch allows switching off the iGPU, but you need to restart the device. When the iGPU is off, the display output won’t be routed through the iGPU, so there will be no performance hit, and no RAM will be reserved for the iGPU. This isn't Nvidia exclusive as Lenovo showed on their all AMD RX6000 Legion | ||