Theoretically it gives lower level access to the GPU than OGL/D3D, and Wii/GC games like lower level access to the GPU than OGL/D3D provide. However it's more or less turned out that mantle doesn't give low level enough access to the bits we'd need to justify writing a whole new graphics backend.
OS: Windows 10 64 bit Professional
CPU: AMD Ryzen 5900X
RAM: 16GB
GPU: Radeon Vega 56
CPU: AMD Ryzen 5900X
RAM: 16GB
GPU: Radeon Vega 56
