AMD Radeon RX 6800XT vs RTX 3080 Benchmarks Compared – AMD wins with 4K gaming benchmarks but behind on RTX based Port Royal

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[Originally posted on 26 October 2020]

Updated on 29 October 2020 with official launch specification and pricing

Another day, another set of leaked benchmarks, most recently it was the Nvidia RTX 3070, then before that, we got a hint at the potential specification of the new AMD cards, including the RX 6900 XT.

AMD Radeon RX 6000 Series Specification and Price

AMD have now officially launched the RX 6000 and pricing and specification are competitive as expected. We will have to wait for offcial reviews to see if the performance matches the leaked benchmarks below.

RadeonRX 6900 XTRX 6800 XTRX 6800
Node7nm7nm7nm
ArchitectureRDNA 2RDNA 2RDNA 2
Compute Units807260
Game Clock2015 MHz2015 MHz 1815 MHz 
Boost Clock2250 MHz 2250 MHz 2105 MHz 
Memory Type16GB GDDR616GB GDDR616GB GDDR6
Memory Bus 256-bit256-bit256-bit
Infinity Cache128MB128MB128MB
TDP300W300W250W
Release DateDecember 8thNovember 18thNovember 18th
Price$999$649$579

Igor’s Lab and Wccftech Benchmarks

Today's leaks come from four sources, all of whom have benchmarked the AMD Radeon RX 6800 XT in the 3DMark suite of benchmarks.

Igor’s Lab and Wccftech look like they have both received identical leaks from a board partner who manufactures both AMD and NVIDIA graphics cards.

The data they received was only in percentage values in comparison to the Nvidia RTX 3080 FE and RTX 2080 Ti; they have then taken this data and estimated what the real results would look like.

The figures they received indicated that the RTX3080 achieved 18.2% and 3.1% lower scores in FireStrike Ultra 4K and TimeSpy Extreme 4K, respectively. In contrast, the RTX2080Ti was 36.2% and 15.8% lower.

However, with Nvidia being on their 2nd generation of RTX technology, the Port Royal Test shows a different result. The RTX3080 is 22% ahead, and the RTX2080ti is just 3.9% behind.

Other Leaks

In separate leaks, CapFrameX stated:

  • Firestrike Ultra
    • Big Navi: 11500
    • RTX 3080: 10600

The SKU of this has not been confirmed, but that would give big Navi an 8.5% advantage.

KittyYYuko also posted a set of benchmarks for the Navi 21 XT sample with 80 Compute Units; current spec leaks would make this the limited availability RX 6900 XT.

These results paint a slightly different picture, in Time Spy Extreme and Time Spy the RX 6900 XT falls short of the RTX3080 but ahead of the RTX 2080ti

Then in FireStrike Ultra and Extreme the results show the RX 6900 XT ahead of all the Nvidia cards including the flagship RTX3090.

Source

Overall

The accuracy of the results remains in question, and the conflicting data makes it hard to draw conclusions.

It does look promising for AMD, though, they may not beat the RTX 3080, but hopefully they should have a decent alternative.

Early leaks indicated lower pricing, the RX 6800 XT has been announced at $649 which is $50 below the RTX 3080

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