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laptopwiki:guides:other:nvoptimus [29/12/2022 17:55] – created 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. | ||
- | - | + | {{youtube> |
==== 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 | ||
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* Also on some laptops there is no way to fully disable Optimus or Advanced Optimus, so not having it can be a bonus to some users. | * Also on some laptops there is no way to fully disable Optimus or Advanced Optimus, so not having it can be a bonus to some users. | ||
+ | ==== How do I know if I have Optimus enabled or disabled ==== | ||
+ | Disconnect any external monitors and open Nvidia Control Panel (the old, Windows XP looking one). \\ | ||
+ | If the only section there is "3D Settings" | ||
+ | ==== How do I know which outputs use dGPU and iGPU ==== | ||
+ | In Nvidia Control Panel, look for " | ||
+ | |||
+ | ==== How do I disable Optimus ==== | ||
+ | Assuming your laptop allows it, it will be either in your OEM's control panel or in your laptop' | ||
+ | |||
+ | --- // |