Navi 21: AMD’s Flagship Radeon RX 6000 Series Die Dwarfs Navi 10 in Alleged Size Comparison

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Image: AMD

Coreteks has shared an alleged rendition of AMD’s new Navi 21 die. The chip, which will power red team’s flagship Radeon RX 6000 Series graphics card (Radeon RX 6900 XT?), looks rather massive next to the previous generation’s Navi 10 (Radeon RX 5600/5700/XT Series) die.

Assuming that the approximation is correct, the name “Big Navi” makes more sense than ever. Coreteks claims that the Navi 21 die is around 536 mm2 (29 mm tall by 18.55 mm wide) with 26.3 billion transistors. In comparison, the Navi 10 die only measures 251 mm2 and carries 10.3 billion transistors.

That would also make Navi 21 the second-biggest consumer die that AMD has ever designed. If you’ll remember, Fiji (Radeon R9 Fury/Fury X/Nano) measures an astonishing 596 mm2 and carries 8.9 billion transistors. That doesn’t even include the silicon interposer, which takes the GPU to a whopping 1011 mm2.

Coreteks points out that Navi 21’s transistor count falls short of NVIDIA’s GeForce RTX 3080 (26.3 vs. 28.3 billion), but AMD may surprise us in the boost-clock department (2.2 GHz vs. 1.7 GHz?). We’ll get the truth during red team’s RDNA 2 event, which is scheduled for October 28.

Tsing Mui
News poster at The FPS Review.

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