Sony worked with AMD to produce a unique APU for the PlayStation 4 that contained a custom Radeon 7970M, which was itself a mobile variant of early 2011's desktop flagship HD 7970. Although there ...

However, AMD GPUs dating back to the first GCN-based graphics cards (including GPUs such as the Radeon HD 7970) have been capable of running ray tracing for a while through software emulation.