Navi 12, 14, 21, and Lite variants of AMD's latest GPU range revealed in Linux driver code; RX 5800 could take on the GeForce RTX 2080 - NotebookCheck.net News
Mysterious Radeon RX 6800 'Navi 21' Card with 8GB of GDDR6 Spotted | Tom's Hardware
Navi 21 vs Navi 22 floor plan comparison (Speculation - 40CUs + 96MB Infinity Cache + 192-bit bus + 12GB VRAM) : r/Amd
AMD says 'Something BIG is coming', likely Radeon Pro with Navi 21 GPU - VideoCardz.com
Big Navi Has Been DECODED - 4 Navi 21 GPU's and RX 5000 Refresh! - YouTube