this post was submitted on 06 Aug 2023
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What differences do you see when you use Vulcan? And what's the deal with triple buffering?
Triple buffering basically means that the GPU can temporarily store frames in three different locations in VRAM. This has implications for smoothness and frame time, so it should in theory always be the best option for v-sync and avoiding tearing.
Vulcan should be more efficient so you should get somewhat better performance, though my understanding is it depends on card (AMD cards are kind of designed for Vulkan, but not so much nvidia cards).
My experience is that the directx reflections and post processing look worse. Triple buffering on was causing screen tears.
When Vulcan worked for me it used less Vram, then dx11 does now on linux.
vulkan is more efficient on AMD than directx, as I understand it.