GPUs

AMD RDNA 4 Based RX 8700 XT/8600 XT GPUs Get First Patches on LLVM

AMD has taken the first step towards the RDNA 4 graphics architecture. The Graphics Compute IDs (GC) of two new devices have shown up in the latest patches for the LLVM compiler. These are the GFX1200 and GFX1201, which we presume are the Navi 44 and Navi 48 GPUs, set to power the RX 8700 XT and RX 8600 XT, respectively. Following the unfortunate cancellation of the RX 8900 XT and the associated Navi 41 GPU, these two are expected to be the sole RDNA 4 offerings.

The Radeon RX 8800 XT, 8700 XT and 8600 XT

The Radeon RX 8800 XT will allegedly be a refresh based on the Navi 31 GPU, or so claims RedGamingTech. You can expect the same shader and memory configuration as the RX 7900 XTX, including <6,144 shaders, 16-24GB GDDR6 memory, and up to 96MB of LLC. The memory bus may get a trim, and we may see faster 24Gbps memory dies from Micron replace the existing 20Gbps variant. In gaming workloads, performance should be on par or higher than the RX 7900 XT.

The Radeon RX 8700 XT and 8600 XT should leverage the next-gen RDNA 4-based Navi 44 and Navi 48 GPUs, respectively. Depending on the SKU, you can expect 40 to 60 CUs with 2,560 to 3,840 shaders and up to 16GB of GDDR7 memory. The Infinity Cache should stay between 32 and 64MB, with a bus width of 128 to 256-bit.

The Graphics Compute “GC” IDs of older RDNA GPUs are as follows:

  • GFX10: RDNA 1.
  • GFX10.2: RDNA 2.
  • GFX11: RDNA 3.
  • GFX11.5: RDNA 3.5.
  • GFX12: RDNA 4.

Areej Syed

Processors, PC gaming, and the past. I have written about computer hardware for over seven years with over 5000 published articles. I started during engineering college and haven't stopped since. On the side, I play RPGs like Baldur's Gate, Dragon Age, Mass Effect, Divinity, and Fallout. Contact: areejs12@hardwaretimes.com.
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