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11-10-2018 01:34 PM
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11-11-2018 06:53 AM - edited 11-11-2018 07:03 AM
Much of this kind of recommendation depends on the budget plus the other applications used. Many graphic design systems for exmples will also be using 3D applications, and there is sometimes the possibility of animation or video editing which changes the balance. It is better to plan a more versatile system form the begiining as upgrading is expensive and by the time it's necessary, upgrading can really interrupt work continuity. I had a project that necessitated building a new system when it was 75% complete.
CPU: In general, a system from Lightroom and Photoshop should have as a priority a CPU with a very good single-thread performance - a high base and Turbo clock speed. Secondly, the CPU should have at least 6-cores, but more than 8 is not an advantage unless there are CPU rendering applications. An i7-8700K 6C would be my choice today, and an i9-9900K 8C the maximum. If the system is to have 3D capabilities and CPU rendering , i9-7900X 10C. Animations run on GPU renderings, but for single images, I always use CPU rendering.
There are also arguments for Xeons running ECC memory for high precision.
GPU: The graphics card is important as it needs to deliver the pixels in sufficient quantity at sufficient speed during processing. A large 4K monitor is very demanding and there are already a couple of 8K monitors made. The OpenGL performance should be good. A high level GTX GTX 1060 and above should work well for Lightroom GPU acceleration. Quadros are better in certain ways, sronger OpenGL, higher anti-aliasing, higher color depth and at a certain level, ECC memory. I've used only Quadros since 2004 for 3D modeling 2D CAD, and graphic design with excellent results. I had a Quadro that ran 128x anti-aliaising and that is makes a noticeable difference in shadows and color gradiants. Today I'm using a GTX 1070 Ti for 3D modeling as I'm working with large models, 200MB is quite demanding in polygon positional calculation when there are thousands of components and many materials. Turning on shadows can slow my 8-core, 4.3GHz system to a fast crawl. The GPU should hae a lot of memory- 8GB is possible. The memory bandwidth is important as photo images can be hundreds of MB/s- have a 256-bit or more. Today, I'd recommend for GTX: GTX 980 Ti, GTX 1070 Ti or a GTX 1080Ti and for Quadro, a Quadro P4000 8GB.
RAM: Have a lot of RAM, as fast as possible. Consider a minimum of 32GB but plan on 64GB and, if possible, 128GB in anticipation of 8K. this means leaning towards LGA2011-3 or LGA2066
DISK: there is a lot of disk swapping on large files and demands during opening, saving and import /export. Consider an M.2 drive for OS/Programs, followed by another M.2 for project files and libraries, save to an SATA SSD, and archive to a large HD.
If order of budget, consider:
1. Used system + some new components: HP z440 or z640 / Xeon E5-1650 v3 (6-core run all-core at 4.2 or 4.3GHz) or z420 /z620 with E5-1660 v2 or E5-1680 v2 8-core @4.2 or 4.3GHz / z420 liquid cooler / 64GB DDR3-1866 ECC unbuffered / GTX 980 Ti, 1070Ti, 1080 Ti or Quadro P4000 / Samsung SM951 AHCI or Samsung 950 Pro (in legacy boot for z420 or z620) + second Samsung SM951 AHCI or Samsung 950 Pro + HGST Ultrastar 4TB or higher. The second SSD could be a 500GB or 1TB Samsung 860 EVO 2.5".
2. Building using new components: i9-9900K- when the price is reasonable! 8-core @ 5GHz + 64GB or i9-7900X 10-core @4.8GHz + 128GB/ DDR4-3000 / GTX 980 Ti, 1070Ti, 1080 Ti or Quadro P4000 / Samsung M.2 970 EVO + Samsung M.2 970 EVO + HGST Ultrastar 4TB or highe / 850W PSU.
HP z620_2 (2017) (R7) > Xeon E5-1680 v2 (8-core@ 4.3GHz) / z420 Liquid Cooling / 64GB DDR3-1866 ECC Reg / Quadro P2000 5GB or GTX 1070 Ti 8GB / HP Z Turbo Drive M.2 256GB + Samsung 860 EVO 500GB + HGST 7K6000 4TB / 825W PSU /> Windows 7 Prof.’l 64-bit > 2X Dell Ultrasharp U2715H (2560 X 1440)
[ Passmark Rating = 6280 / CPU rating = 17178 / 2D = 819 / 3D= 12629 (GTX 1070 Ti) / Mem = 3002 / Disk = 13751 / Single Thread Mark = 2368 [10.23.18]
[Cinebench: OpenGL= 134.68 fps / CPU= 1234 cb [10.27.18]
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