Premieres of AMD Ryzen processors 5000 and AMD Radeon graphics cards The RX 6000 turned out to be quite successful, finally we have tough competition in both segments, so the situation seems more comfortable than ever. You can find the results of new AMD products in our article database. However, I decided to extend the measurement procedure a bit and perform the first AMD Ryzen 7 5800 X and Radeon RX 6800 XT, consisting in checking the performance of such a set in strictly processor places. The results I obtained made me quite stunned, because I expected an increase in performance, but I saw a series of huge drops …
AMD Ryzen 7 5800 X has a performance degradation when connected to the AMD Radeon RX graphics card 6800 XT, however on NVIDIA GeForce RTX 3080 and RTX 2080 Everything works fine. Has the overhead come back?
Anticipating the questions – I did all the tests on fresh 64 – Windows bit 10 build 2004 (I also checked the versions 1909 and H2), the latest drivers and updated UEFI of the motherboard (2502). Previously, I obtained identical results on the media from the CPU and GPU platforms, so out of curiosity, I put everything from the beginning to rule out possible driver conflicts. The course of measurements and settings were, of course, the same as during the premiere tests of the processors, and the only difference in the hardware was the insertion of the Radeon RX 6800 XT instead of GeForce RTX 2080 Ti.
Because I got three times same results, I decided to share my conclusions hotly. Other computer games that I use in processor tests also usually show drops, which will be the subject of a separate article. I originally planned to test two overclocked platforms – AMD Ryzen 7 5800 X and Intel Core i7 – 10700 KF – seasoned with fast DDR4 memory in a 4x 8 GB system, which were alternately accompanied by AMD Radeon RX 6800 XT and GeForce RTX 3080. The results on the NVIDIA card brought the expected increases compared to the standard set on which I test the processors, while the Radeon RX 6800 XT caused me a lot of problems, resulting in the following performance drops:
As you can see, AMD Ryzen 7 5800 X has performance drops in four out of five proven productions when paired with the AMD Radeon RX graphics card 6800 XT. Some cases are downright devastating (Watch Dogs 2, Kingdom Come: Deliverance), others are slightly hit (Far Cry: New Dawn, The Witcher 3: Wild Hunt), but there are also ups (Shadow of the Tomb Raider). However, I would like to add that tests performed on an overclocked AMD Ryzen 5 processor 5800 X and Radeon RX 6800 XT included SAM (Smart Access Memory), while the default setting was disabled. AMD Ryzen 5 5800 X and NVIDIA GeForce RTX Kits 2080 Ti / GeForce RTX 3080 they work without any anomalies. Let me remind you – everything checked on three systems, two motherboards and DDR4 sets.
The Witcher 3: Wild Hunt is the most interesting case to analyze because I included in the tests CPU and GPU place. In the first scenario, AMD and AMD performs significantly worse in combination with the Radeon RX 6800 XT than the GeForce RTX 3080. However, when we move to the GPU place, it suddenly turns out that Radeon is exactly the same as in the premiere tests and is ahead of the GeForce RTX 3080. As the problem mainly affects DirectX-enabled titles 11, and the only one using DirectX 12 is Shadow of the Tomb Raider, this prompts you to conclude that there is a recurring driver issue. Strictly speaking, the so-called CPU driver overhead that reduces / inhibits AMD & AMD kits performance. This can be seen in the screenshot below from the task manager, showing the load of individual components, which is not a determinant, but illustrates certain trends. I have been showing the problem of AMD driver overhead for a long time (LINK and LINK), some tests still reach 2015 of the year, but BIG NAVI emphasizes it additionally. As GPU performance has increased, the loss to NVIDIA automatically becomes more apparent. More results coming soon.
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