eGPU Scaling Benchmark w/ Cooler Master EG200

Red Dead Redemption 2 is a 2018 action-adventure game developed and published by Rockstar Games. The game is the third entry in the Red Dead series and is a prequel to the 2010 game Red Dead Redemption. Red Dead Redemption 2 was released for the PlayStation 4 and Xbox One in October 2018, and for Microsoft Windows and Stadia in November 2019. (Wikipedia).

Engine: Rockstar Advance Game Engine (RAGE). We test by manually selecting Ultra settings (or High where Ultra is not available), TAA, Vulkan API.

As for Red Dead Redemption 2, here we are clearly being bottlenecked using an eGPU. At 1080p, performance varies by just 3FPS regardless of the GPU used… though it is interesting that all four of the slowest results came when using the laptop’s integrated screen, as opposed to using an external monitor.

Even at 1440p, the results are basically the same, with the RTX3080 and RTX 3090 delivering just a single frame more when compared to the RTX 3060 Ti and RTX 3070. At 4K, there is a slightly larger gap, but we’re still only talking about a 4FPS difference between an RTX 3060 Ti and an RTX 3090. Considering this is happening at 4K, where we'd expect to be entirely GPU-limited, we would have to say that PCIe bandwidth is causing these issues in Red Dead Redemption 2.

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