It has been previously reported that AMD plans to launch a new Zen5 architecture in 2024, and related products may be released in the first half of 2024, or even appear in the first quarter. The new Zen5 architecture will have three designs: Zen5, Zen5V-Cache and Zen5c, and will have 4nm and 3nm versions.
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Recently, Moore's LawisDead brought new news about Zen5 architecture and Zen6 architecture.
The core of the Zen5 architecture is codenamed "Nirvana", and the CCD chip is called "Eldora". On the desktop platform, the product corresponding to the Zen5 architecture is the Ryzen8000 series, codenamed "GraniteRidge". According to the description, the IPC of the Zen5 architecture will be improved by 10-15%+ compared to the Zen4 architecture. On the Zen5 architecture, you can see that AMD has launched a more advanced branch prediction unit. In addition, AMD will also bring a 16-core CCX design, which may correspond to the Zen5c architecture, focusing on density, performance/power optimization to achieve higher energy efficiency.
On the desktop platform, the Ryzen8000 series code-named "Granite Ridge" is still up to 16 cores and 32 threads, while remaining compatible with the AM5 platform. It is rumored that in the Zen5 architecture, the 4nm process will be used for CPUs code-named GraniteRidge and some APUs, and the more advanced 3nm process may be used for server CPUs code-named Turin and specific APUs.
The Zen6 architecture core is codenamed "Morpheus" and is expected to arrive in the second half of 2025. There may be 3nm and 2nm versions. Its IPC will be further improved compared to the Zen5 architecture, and is expected to be 10%+. AMD will bring a new CCX design with 32 cores, which should correspond to the Zen6c architecture. At the same time, AMD will introduce new packaging technology to stack CCD on top of IOD.