![]() Considering most settings don’t have a numeric value-instead relying on one of “Off,” “Low,” “Medium,” “High,” “Very High,” or “Ultra”-it can be yet another way to estimate performance. While it doesn’t give a numeric readout like the video memory bar, keeping the stress on the GPU will mean it will render each frame a little faster. The settings UI also estimates the load on both the CPU and GPU with the current configuration. ![]() In short, when in doubt, check that bar and keep it in the blue. While this may not take much time in absolute terms, every millisecond matters when it comes to the rendering pipeline, and waiting for data I/O even over PCIe Gen 3 or 4 will be slower than accessing the local memory on the graphics card. ![]() The big performance hit from having too little video memory is the transfer of data from system RAM to the video memory before the GPU can work on it. The problem is that the GPU cannot use data from the system RAM. The system memory (RAM) will be tasked with holding any information that won’t fit into the video memory. ![]() VRAM is quite fast, and more importantly, on the graphics card. As much as GPU cores and clocks matter, the amount of video memory can have a big impact on frame rates. Generally, this bar can be a first good guide when dialing settings in.
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