Setup is macOS 10.14.4 with the OWC Mercury Helios FX 650 connected directly to the 2018 Mac mini as shown in the system profile. The Adobe video applications support dual eGPU processing this post applies only to Enhance Details in Photoshop/Lightroom. eGPU should work in Photoshop for Enhance Details on 2018 Mac mini, but does not The answer is “yes it should, but it does not”, but so far on the 2018 Mac mini I cannot get Photoshop to use the eGPU for Enhance Details even though it recognizes the Radeon RX 580! Photoshop instead uses the integrated GPU for Enhance Details. The slow speed on the 2018 Mac mini raises the question of whether an eGPU can speed up Enhance Details. With 187 megapixel raw files, those times quadruple. On my 2017 iMac 5K, it takes ~6 seconds per 45MB raw file, which is about 3X the time it takes to convert the raw file! On the 2018 Mac mini, Enhance Details takes a molasses-slow ~42 seconds per file.
The Adobe Camera Raw Enhance Details feature is a GPU-intensive feature that I use frequently.
Contact Lloyd for consulting on choosing and configuring a system, backup and fault tolerance, etc. See my recommended Macs for photographers and similar higher-end users. SEND FEEDBACK Related: 2018 Mac mini, 4K and 5K display, Adobe, Adobe Camera Raw, Adobe Camera Raw Enhance Details, AMD Radeon GPU, eGPU, GPU, iMac, iMac 5K, laptop, Mac mini, MacBook, MacBook Pro, Photoshop, raw file processing, video