The tag 'infinity cache' refers to AMD's proprietary memory architecture featured in their RDNA 2-based graphics cards, such as the Radeon RX 6000 series. Discussions on WindowsForum cover rumors and confirmations of this technology, which aims to reduce latency and improve bandwidth efficiency. The tag is relevant for users interested in AMD GPU hardware, gaming performance, and next-generation console comparisons, particularly regarding the PS5's memory subsystem. Topics include technical analysis, performance implications, and how Infinity Cache differentiates AMD's offerings from competitors.