AMD "GFX1251" Target Added To LLVM As Latest RDNA 4.5 APU

Posted by bob on Sep 18, 2025 2:00 AM CST
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The past few months we have been intrigued by an AMD GFX1250 target added to the LLVM codebase for the AMDGPU shader compiler back-end. GFX12 is RDNA4 and GFX1250 is presumably some "RDNA 4.5" / "RDNA Refresh" part akin to GFX1150 having been for the RDNA 3.5 parts with Strix Halo / Strix Point. The prior LLVM code confirmed GFX1250 is in APU form factor but product details beyond that have been scarce. Today a new AMD GFX1251 target was merged to LLVM...

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