Optimus vs NVIDIA GPU Only - Advanced Optimus and dGPU Settings Explained

Рет қаралды 2,314

Ай бұрын

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Gaming laptops have two graphics cards onboard. One is the powerful one for gaming - the dedicated GPU, or dGPU for short - and the other is the low power one built into the CPU itself - called the integrated GPU or iGPU for short. For the sake of battery life, the iGPU is the one that runs your displays basically any time you aren’t gaming, and the dGPU is literally turned off. When you fire up a game though, the dGPU takes over, and renders your game as fast as it can. The problem with having two graphics cards connected to one display is a bit of a tricky one to solve though. NVIDIA came up with “Optimus” over a decade ago now to do just that. Basically, the dGPU’s video signal was routed THROUGH the iGPU, and then to the display. Optimus would control which GPU was the one doing the rendering.
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Пікірлер: 7

@adi_zero5882 23 күн бұрын

Nvida advanced optimus interferes with some game’s internal settings. I was facing massive micro stuttering while playing bf2042 and when i switched to dgpu only, the experience was buttery smooth.

@0...... Ай бұрын

cant you select wich gpu starts with certain executables in start>settings>games? its probably a good test, throw some amd notebook and an egpu in the mix and see if windows 10/11 respects those settings with each driver, if windows changes devices correctly.

@Muehlema1 20 күн бұрын

Biggest confusing stuff us the nvidia naming. optimus does nit really help. the should really call it igpu. My issue on my lenovo is that when you connect an external 360hz gaming display, nv panel tells me that no display is connected to the dGpu. That message us wrong. It is connected, but always through the igpu, which indeed can be seen in the physix config in the nv panel. confusing. And gsync in some occasions isn‘t detected.

@diegotrembao8933 Ай бұрын

So when the laptop is plugged in, is there any reason to leave it on automatic, or should I just set it to GPU only and be done with it?

@usuallyclueless4477 Ай бұрын

I leave it on dGPU only because I keep it plugged in most of the time. It frees up a bit more RAM because the iGPU isn't using it. Plus it improves FPS by a bit. When I'm travelling I keep it on automatic or integrated-only mode.