There is conflicting information on next-generation Navi flagship GPU.  Rumor 1: Sienna Cichild features HBM memory? The AMD Sienna Cichlid could allegedly feature a memory bus width up to 2048-bit, indicating a possible use of HBM memory. AMD Sienna Cichlid is also known as Big Navi or Navi 21. This GPU is expected to be the flagship processor for the upcoming Radeon RX 6900 series based on RDNA2 architecture. Sienna Cichlid first appeared almost two months ago under the same GFX1030 ID as Navi 21. The new data is not a confirmation, however, it does point towards a possibility that...

Keep on reading: AMD Sienna Cichlid (Navi21, Big Navi) GPU memory rumors: HBM vs GDDR6