ICStats on 21 October 2016
It has a big effect. It wouldn't apply to everything, but it's a common technique in graphics to use 16bit floats for color and lighting. It gives performance boosts on many GPU architectures.
The effect on AMD is not only doubled the throughput, but also reduces the amount of register space needed which allows more wavefronts to run in parallel and get better utilization of the GPU.
My 8th gen collection
