1/18/2024 0 Comments Fortnite directx 12 crash![]() ![]() In terms of overall recommendations then, I'd suggest DirectX 11 is a better choice than Vulkan for most users with Nvidia and AMD graphics cards, especially those with relatively modern CPUs that meet BG3's recommended specifications. Meanwhile, Intel GPUs show a performance advantage for Vulkan in CPU-limited scenarios. Areas with NPCs run quite similarly on either API in Nvidia and AMD GPUs, with only around a four percent difference in favour of DX11. It should be noted though that our AMD GPU with DX11 and Vulkan produced more variable frame-times than our Nvidia and Intel GPUs in both APIs, with larger spikes recorded with the AMD GPU - up to 270ms in Vulkan (vs 27ms for Nvidia and 23ms for Intel) and up to 107ms in DX11 (vs 20ms for Nvidia and 42ms for Intel). In such scenes both graphics APIs show a similar level of frame-time stability, with small hitches occurring at similar moments as the area is traversed around NPCs. In contrast, Intel GPUs show Vulkan being 13 percent faster in this scenario. When CPU-limited in these NPC-driven moments using Nvidia and AMD GPUs, Vulkan and DX11 perform more similarly - with DX11 actually taking the lead in average frame-rate by around four percent. ![]() In combat scenarios or in a populated town area, NPC calculations become the most expensive CPU process. However, this advantage is only maintained in scenes with few characters. In a static scene devoid of NPCs, both AMD and Nvidia GPUs ran ~21 percent faster in Vulkan than in DX11, while Intel GPUs ran 29 percent faster in Vulkan. ![]() However, things change if you are CPU-limited (ie your GPU is showing less than ~99 percent utilisation), which is most common at 1080p or lower resolutions and/or with older CPUs. *Note: You can check GPU limitation using the Performance tool in the Windows Game Bar overlay (Win + G), by using tools like MSI Afterburner + RTSS, or by leaving Task Manager's Performance > GPU window open on a second screen. Vulkan provides better performance in CPU-limited scenarios - at least with few NPCs around. When GPU-limited, DX11 offers a measurable performance advantage over Vulkan on Nvidia and Intel GPUs.
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