The Assassin 4S improves on its predecessor in most ways, but it carries a high price tag. The Assassin 4S improves on its predecessor in most ways, but it carries a high price tag. Post navigation AMD shows off DX12-related rendering advances that make game engines more efficient and less dependent on the CPU AI startup Extropic emerges from stealth with superconducting processors it boldly claims will beat GPUs, CPUs, and TPUs