The PlayStation 4 uses an Accelerated Processing Unit (APU) developed by AMD in cooperation with Sony. It combines a central processing unit (CPU) and graphics processing unit (GPU), as well as other components such as a memory controller and video decoder.  The CPU consists of two quad-core Jaguar modules totaling 8 x86-64 cores, 7 of which are available for game developers to use.  The GPU consists of 18 compute units to produce a theoretical peak performance of 1. 84 TFLOPS. The system's GDDR5 memory is capable of running at a maximum clock frequency of 2. 75 GHz (5500 MT/s) and has a maximum memory bandwidth of 176 GB/s.  The console contains 8 GB of GDDR5 memory,  16 times the amount of RAM found in the PS3 and is expected to give the console considerable longevity.  It also includes secondary custom chips that handle tasks associated with downloading, uploading, and social gameplay.  These tasks can be handled seamlessly in the background during gameplay or while the system is in sleep mode.  The console also contains an audio module, which can support in-game chat as well as "a very large number" of audio streams for use in-game.  All PlayStation 4 models support high dynamic range (HDR) color profiles.