To clarify:
Historically, NVN versions are tied to firmware updates and SDK releases. A version number like "5515" typically denotes a specific build of the API runtime and its associated compiler toolchain. nvn api version 5515 exclusive
Version 55.15 represents a specific iteration of this software development kit (SDK). Development forums indicate that this version is often associated with specific driver requirements and the GLSLC GPU Code Version 1.16 compiler. This tight integration between the API and the GPU compiler allows developers to offload complex CPU tasks to the GPU, a critical feature for a console with limited processing cores. Performance and Exclusivity To clarify: