AMD Introduces Phoenix2: Smaller Die Based on Zen4 and RDNA3 Architectures

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AMD's Phoenix2 is a  downscaled version of the original Phoenix silicon, for use in mobile devices such as laptops, Mini-PCs, and handheld gaming systems. 



Recent findings show that the Phoenix2 APU die is measured at 137mm², marking it approximately 25% smaller than its predecessor. Its structure includes 8 cores and 16 threads, demonstrating a reduction in CPU and GPU core counts. This downsizing makes Phoenix2 particularly suitable for the AMD Ryzen 3/5 7040U series. An image of the Phoenix2 APU has been disclosed by a credible source, Golden Pig Upgrade, on Bilibili. This visual evidence suggests the Phoenix2 APU employs the same FP7 software as the original Phoenix. The same source had earlier hinted at the potential use of a slightly larger package called FP8 by the Phoenix APU.

Significant alterations in Phoenix2 aren't confined to the CPU die; there's also been a reduction in the number of GPU cores, from 12 to 4. Such modifications lead to a more compact die size and potentially reduced power demands. Up to this point, there have been no updates regarding potential changes to the AI core.

The forthcoming Ryzen 5 7540U and Ryzen 3 7440U processors will integrate the AMD Phoenix2 architecture. However, these processors have not yet debuted in the commercial laptop market. Evidence of AMD's shipping of the reduced APU to original equipment manufacturers (OEMs) can be seen in an accompanying image showing both processors side by side on a tray.

AMD Introduces Phoenix2: Smaller Die Based on Zen4 and RDNA3 Architectures


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