Originally posted by curfew
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I find it plausible that a Vulkan based renderer could outperform a native renderer simply because the Vulkan renderer is based on a much more efficient HW path. Say for instance that a 4 field vector in OpenGL could be fitted to an 8 field vector in Vulkan so that the Vulkan calculations effectively can handle two four-field vectors at the same time. This then becomes twice as fast for some instances.
I have no clue if this is actually the case; just making the point that old APIs on new hardware are not necessarily as fast as on the old hardware.
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