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integrated graphic cards or Apple M1 unified memory), then the minimum requirement for export automatically taking advantage of the GPU is 16GB. However, you are unlikely to see much, if any, improvement in export times. If the GPU has dedicated VRAM less than 8GB, you can enable GPU for ‘Export’ using ‘Custom’ option in ‘Use Graphic Processor’ located in Performance tab of Preference dialog.If the GPU has dedicated VRAM of 8 GB and above, ‘Export’ will automatically utilise the GPU.
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These caveats are related to the amount and type of memory available to the GPU: However, as with GPU acceleration in Camera Raw, there are caveats as to whether a computer will be able to take advantage of the GPU when exporting. Lightroom Classic can now take advantage of the GPU when exporting images. Otherwise, the checkbox will be disabled and unchecked. In Preset dialog, when the currently selected settings are scalable, then the Support Amount Slider checkbox will be enabled and checked by default. The New and Update Preset dialog includes a new checkbox to indicate whether a preset should or should not support the ‘Amount’ slider.
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