[The Exiled]

AMD is planning to launch both the Ryzen 9000 desktop and Ryzen AI 300 notebook processors this Summer. Some of the first notebooks powered by the Ryzen AI 300 series should be announced by notebook OEMs as early as this week; while the Ryzen 9000 series desktop processors will be available to customers from July 31, 2024. The new Zen 5 microarchitecture builds on AMD's proven CPU core technology, and doesn't try anything fancy like its generational counterpart from Intel, the Lion Cove P-core used on Arrow Lake. Zen 5 still brings a double-digit percentage IPC gain over the previous generation, and introduces several efficiency improvements over Zen 4 thanks not just to its newer 4 nm process, but also a host of other innovations. AMD was able to increase clock speeds, and lower TDP across the desktop processor lineup, and still achieve good performance gains.

• The AMD Zen 5 Microarcitecure: Powering Ryzen AI 300 Series For Mobile and Ryzen 9000 for Desktop
  
  
• AMD Ryzen 9000 & AI 300: Details on Zen 5 cores, performance, RDNA 3.5, XDNA 2 and more
  
  
• AMD Tech Day: All details about Zen 5 and the associated platforms
  
  
• AMD Zen 5 Technical Deep Dive

AMD has also worked on the physical characteristics of the processor's dies' cooling performance, which see a 15% reduction in thermal resistance, which results in an impressive 7°C reduction in temperature at the same TDP. We asked them to clarify this, and they confirm that no changes have been made to the IHS or the TIM. The improvements are due to better management of the "hot spot", and a different placement of the thermal sensor. Granite Ridge is a chiplet based processor, just like Raphael. AMD has largely carried over the 6 nm client I/O die (cIOD) from the previous generation, although the substrate has many changes owing to the different dimensions of the 4 nm Zen 5 CCDs, compared to the 5 nm Zen 4 CCDs.

The Zen 5 and Zen 5c cores will be implemented across 4 nm and 3 nm foundry nodes. Both the Zen 5 CCDs on Granite Ridge, and the Strix Point monolithic processor are built on 4 nm, however AMD is working on high-density chipsets for 5th Gen EPYC that will see AMD implement 3 nm. Back when AMD Zen made landfall in 2017, nobody expected the company to remain competitive with Intel for more than a couple of generations, but the company has consistently proven everybody wrong. It has stuck to its roadmap, only promised what it could deliver, and delivered on those promises. We've been given consistent double-digit IPC gains for each new Zen generation, and every two generations, AMD has transitioned to a new class of process nodes. In a way, AMD and TSMC have been able to imitate Intel's tick-tock product development cycle far better than Intel itself.