Hardware Secrets posted AMD Radeon Chips Comparison Table (desktop)
A quote from the article:
A table comparing the basic technical specs of all AMD ATI Radeon graphics chips available on the market, from the Radeon 9200 to the Radeon R9 FuryX. Updated to include the Radeon R7 and R9 300 series.AMD Radeon Chips Comparison Table (desktop) @ Hardware Secrets