AMD's high-end Navi GPU details: twice as fast as Radeon RX 5700 XT?!

AMD's next-gen Navi 21 GPU: massive 505mm2 die, 12-16GB of GDDR6 -- and SUPER fast!

Published Dec 30, 2019 10:22 PM CST   |   Updated Tue, Nov 3 2020 11:45 AM CST
1 minute & 21 seconds read time

AMD has been cooking up a kick-ass successor to Navi with a 2020 flagship GPU that is being referred to as Navi 21, with the second-generation RDNA family coming on the new 7nm+ process node.

AMD's high-end Navi GPU details: twice as fast as Radeon RX 5700 XT?! 01 |

Navi 21 will be a large GPU with new rumors pointing to it packing somewhere between 15-16 billion transistors, which makes it bigger than Vega 20 (13.2 billion) and Navi 10 (10.3 billion). But the bigger news here is that AMD's new flagship Navi 20-based graphics card would feature 12-16GB of GDDR6 memory on a much wider memory bus.

The new rumors have AMD possibly using a wider 384-bit or 512-bit memory interface, something that would enable much more memory bandwidth with GDDR6 memory. Previous rumors suggested AMD would tap higher-end HBM2E memory, packing between 16-32GB of framebuffer.

The new Navi 21 GPU will have hardware-based ray tracing, exactly the same as the Turing GPU from NVIDIA. We should see something in the first few months of 2020, but I would guess we'll see a mix of GDDR6 (on consumer cards) and HBM2/E on the server/datacenter solutions.

GPU Die Size

  • Navi 10 - 251mm2
  • Vega 20 - 331mm2
  • Navi 21 - 505mm2

GPU Transistors

  • Navi 10 - 10.3 billion transistors
  • Vega 20 - 13.2 billion transistors
  • Navi 21 - 15-16 billion transistors

Anthony joined the TweakTown team in 2010 and has since reviewed 100s of graphics cards. Anthony is a long time PC enthusiast with a passion of hate for games built around consoles. FPS gaming since the pre-Quake days, where you were insulted if you used a mouse to aim, he has been addicted to gaming and hardware ever since. Working in IT retail for 10 years gave him great experience with custom-built PCs. His addiction to GPU tech is unwavering.

Newsletter Subscription

    Related Tags

    Newsletter Subscription
    Latest News
    View More News
    Latest Reviews
    View More Reviews
    Latest Articles
    View More Articles
    Partner Content
    Advertise With Us