Nvidia RTX 3080: PCIe 4.0 vs 3.0 scaling analysis

Metro Exodus is a first-person shooter video game developed by 4A Games and published by Deep Silver in 2019. It is the third instalment in the Metro video game series based on Dmitry Glukhovsky's novels, following the events of Metro 2033 and Metro: Last Light. (Wikipedia).

Engine: 4A Engine. We test using the Ultra preset, but with Hairworks and Advanced PhysX turned off, DX12 API.

Metro Exodus is another game that cares far more about the CPU than it does PCIe bandwidth. Our Intel system takes the top spot across every resolution tested, including a significant 24% performance advantage at 1080p. There's no difference between the two AMD systems, except at 4K where the 1FPS advantage for the PCIe 4.0 data is again well within margin of error.

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