Performance issue in Develop with 8.4 (8.4.1)
PC, Windows 10 Pro, 4.1 GHz, 32 GB memory, GTX 970 GPU, Dell 3818 monitor at 3840x1600px. ALL components of Lightroom on SSD - O/S & Apps on SSD, LR catalogs & cache & temp on separate SSD, all images on 4TB SSD. Catalog new, containing 1 set of images.
Installed 8.4 and tried auto, custom and off for GPU settings. In loupe view, no magnification, 30 megapixel (1.2X image from Nikon D850) images (so smaller and easier to process than normal images, which are even slower), only WB, Basic and HSL information adjusted. Move from image to image using left/right arrow keys. Loupe information changes to new image, then after very long (several second) delay, image changes. Never gets any faster. Going back and forth between doesn't improve. At 1:1, performance as bad or worse.
UPDATED TO 8.4.1. No change.
Graphics acceleration turned off. Movement now "normal" at a second or slightly less between images.
Why would turning OFF the GPU acceleration IMPROVE performance? Is this system at the point where the 970 GTX isn't capable of handling the display demands of the monitor and graphics acceleration?
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