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Tom’s Hardware
Tom’s Hardware
Technology
Dallin Grimm

AMD RDNA4 Navi 48 is 25% denser than Nvidia Blackwell GPUs — 53.9 billion transistors in a die smaller than GB203

AMD Nvidia
A high-res die shot of AMD's Navi 48 GPU.

Today, AMD announced details about RDNA 4 and the forthcoming Radeon RX 9000-series GPUs. As part of its presentation, AMD revealed new details about the Navi 48 GPU die, which could be one of the densest GPUs we've ever seen.

Navi 48, the GPU die that AMD's RX 9070 XT and RX 9070 cards build upon, has officially been confirmed to be 357 mm². This is quite a bit smaller than the 390 mm² estimate that floated around the internet after AMD showed off Navi 48 to outlets at CES 2025. It is also smaller than the GB203 die used by Nvidia in the RTX 5080 and RTX 5070 Ti, with which Navi 48 directly competes.

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