Uniko’s Hardware editor shared a leak regarding the ray tracing performance of the AMD Radeon RX 6800 graphics card. The results have not been confirmed, but the editor of this resource usually does not share fabricated information and has published reliable leaks more than once in the past.
He posted three screenshots: the result of a synthetic test from 3DMark Time Spy (preset – performance) and two screenshots from Shadow of the Tomb Raider with ray tracing enabled. The alleged Radeon RX 6800 (unnamed and not shown in the screenshot) is likely an engineering sample. It is noteworthy that the accelerator worked in conjunction with a relatively cheap 6-core and 6-thread AMD Ryzen 5 3500X processor.
The screenshot shows the overall Time Spy score of 12,704 and 16,775 in the graphics test. While the overall score is useless for direct comparisons (since it depends on the processor chosen), the graphics card’s performance score tells us something. For example, the average GeForce RTX 3080 is 15700 points, that is, the AMD video card is slightly faster. However, we do not know which driver was used for the Radeon RX 6800 and whether it was overclocked.
R5 3500x + RX 6800, 16775 gp ts 250~280w pic.twitter.com/SZXWBu7EIo
— PJ (@PJ_Lab_UH) October 31, 2020
An editor from UH also posted two screenshots allegedly showing the AMD Radeon RX 6800 running in Shadow of the Tomb Raider at 2560 × 1440 and 4K (3840 × 2160). It should be added that the game was tested with ray-traced shadows turned on and rated “high quality”. The action-adventure game uses DirectX Raytracing (DXR), which AMD RDNA2 already supports: the calculations are accelerated using hardware blocks in Navi 21.
The Radeon RX 6800 averaged 80 fps in Shadow of the Tomb Raider at 1440p, and 46 fps in 4K. This is not a bad result: for comparison, in our tests The Palit GeForce RTX 3070 GamingPro OC video card showed 82 and 53 fps in this game, respectively, in the DLSS active scaling mode.
AMD already provided its official data on the performance of Radeon RX 6000 graphics cards in Shadow of the Tomb Raider, however, the game did not include ray tracing shadows, and testing was performed in conjunction with the latest Ryzen 5000 series processors using the Smart Access Memory feature, which provides direct CPU access to the video card memory.
R5 3500x @ 4.3 + RX 6800 SOTTR RT on 4K 46 2K 80 pic.twitter.com/LpSCn6xBGN
— PJ (@PJ_Lab_UH) October 31, 2020
AMD is set to release the Radeon RX 6000 series of graphics cards on November 18th. The Radeon RX 6800 includes 60 compute units, 16 GB of GDDR6 memory with a 256-bit bus and a special high-speed 128 MB buffer. Some estimates suggest that RDNA 2’s ray tracing performance could be lower than Ampere.
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