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4 REPLIES 4
06-06-2018 05:08 AM
The "best" GPU is going to depend on the applications and to some extent the speed of the other components. If the applications are CUDA accelerated, then the CUDA core count is important. GPU rendering is an example, where a GTX can deliver a lot more power for less cost than Quadro, but if the applcation requires stron OpenGL perofrmance , then Quadros are the choice. Quadros deliver a higher color depth and higher anti-aliasing. I'm currently thinking of changing from CPU to GPU rendering, experimenting with running a Quadro P2000 and GTX 1070 together, having a total 13GB of memory and 1024 + 1920 CUDA cores.
But the processor, memory, and disk subsystems have to support a very fast GPU to derive the full value. In 3D CAD, the CPU clock speed is the governoring factor. I have a Dell Precsion 390, running a Xeon X3120 @ 2.67 GHz, the RAM is DDR2-667, and the disk system is SATA II. I tried the Quadro K4200 in the 390 from one of the Z420's running an E5-1660 v2 @ 4.1GHz. In the z420, the Passmark 3D mark was 4596, but in the 390 it was 4057. Tried in a Dell Precision T5500, the Dell equivalent of a z600, with 2X Xeon X5680 (3.3/3.6GHz) the K4200 made 4708. Most of the difference is in the relative clock speeds. The system can bottleneck a very fast card.
I would say in general, if you are using OpenGL programs- 3D CAD, consider a Quadro P2000. It's one of the sweetest cost/performance spots I know of. I've seen tests showing the P4000 having an advantage only running very large files or having numerous/ complex effects/attribute layers. I've compared the P2000 and the GTX 1070- which is the consumer equivalent of the P4000 and the P2000 is faster in 3D CAD, moreso when running high AA. I had three Quadros 4000's and I think the difference between a card that ran the Passmark 3D at about 2000 and a card that runs it at 8500-9000 will be "noticeable". Even the P1000, if the file sizes is not extreme appears to work very well. I'm thinking of that one to replce the GTX 660 Ti in one of the office z420's (E5-1620). If you don't need the Quadro attributes, the GTX 1060.
Look into working out a system in which each component is at a similar performnace level- no weak links, especially the disk subsystem . A RAID controller that can convert the disk system to SATA III and unleash SSD speed, plus a USB 3.0 PCIe card can make an enormous difference in system responsiveness. I used a Dell PERC H310 in the T5500 and that change alone move the Passmark Disk Mark of the Samsung 840 SSD from 2202 to 2934.
06-06-2018 08:10 PM - edited 06-07-2018 03:55 AM
There are no Passmark test results for a z600 / Quadro P2000, but there are 17 results for the GTX 1060 which uses the same Pascal GPU as the P2000 , plus dozens for the GTX 1070- the equivalent to Quadro P4000. There's no problem with the power as the P2000 runs entirely off the PCIe slot power (=75W max).
You might like to see my new reply to theOne77 who wants to put a couple of GTX 1050 's in a z400. As mentiond there, the PCIe 2.0 and the generally lower clock speed of zX00 series results in a slight reduction in performance, but the best marks for Pascal units in zX00 are still above the average for all systems tested, which is including 5GHz overclocked ones.
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