Details about AMD Ryzen Phoenix APUs leak with talk of Radeon iGPUs containing up to 24 RDNA 2 CUs

Codenamed 'Phoenix', Red Gaming Tech alleges that these APUs will also rely on the RDNA 2 architecture. While the YouTuber mentions that he has 'also been told RDNA3', he thinks that RDNA 2 is the more likely option of the two. Supposedly, AMD is developing its Phoenix APUs as an alternative to entry-level discrete GPUs, albeit not those released for desktops.

Purportedly, Phoenix APUs will launch with 16-24 CUs, theoretically up to double the performance potential of the Radeon 680M. Red Gaming Tech adds that these iGPUs will not include Infinity Cache, a caching system that can be found in AMD's latest desktop and laptop GPUs. Instead, Red Gaming Tech believes that Phoenix APUs will have a unified CPU/GPU L3 cache, along with a unified memory space like the PlayStation 5.

Allegedly, Phoenix APUs will debut until 2023, at the earliest. Hence, AMD is expected to base them on Zen 4 cores built on a 5 nm manufacturing process. In comparison, AMD's new Ryzen 6000 laptop processors utilise Zen 3+ cores, such as the Ryzen 7 6800U and the Ryzen 9 6980HX. While the Zen3+ architecture does not contain many changes from Zen 3, AMD has integrated new features like USB 4 (40 Gbps) and PCIe Gen4 support, among others. 

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