High-Res Die Shots Emerge of AMD Granite Ridge “Zen 5” CCD

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AMD has recently unveiled its highly anticipated Granite Ridge “Zen 5” processor, showcasing significant architectural advancements and high-resolution die shots that reveal the intricate details of its design. This new architecture promises to enhance performance and efficiency, marking a notable evolution in AMD’s CPU lineup.

Key Takeaways

  • The “Zen 5” architecture features an 8-core CCD with a 512-bit FPU.
  • Built on TSMC’s N4P (4 nm) process, the new design offers improved efficiency.
  • The central I/O die (cIOD) remains unchanged from the previous generation, utilizing TSMC’s N6 (6 nm) process.
  • Enhanced cache architecture with a shared 32 MB L3 cache and a new layout for 3D V-cache.

Architectural Innovations

The Granite Ridge package retains a familiar look, similar to the previous “Raphael” design, but with notable changes in the core architecture. Each “Zen 5” CCD houses eight full-sized CPU cores, each equipped with 1 MB of L2 cache, and a centrally located 32 MB L3 cache shared among all cores. This design aims to optimize performance while minimizing latency.

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The new architecture introduces a larger floating-point unit (FPU) and a redesigned integer execution unit, enhancing the processor’s ability to handle complex calculations. The increased size of the FPU is particularly significant, as it supports a 512-bit data path, allowing for more efficient processing of floating-point operations.

Enhanced Cache Design

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One of the standout features of the “Zen 5” architecture is its cache design. The L3 cache has been compacted, taking up less die area while maintaining performance. This is achieved through a denser packing of cache cells, which allows for a more efficient use of space. The new layout also includes provisions for stacked 3D V-cache, which could potentially increase cache capacity in future iterations.

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Performance Expectations

While the architectural changes are promising, AMD’s previous launches have set high expectations. The company aims to deliver a balance between performance and efficiency, particularly in gaming and server applications. The new design is expected to improve multi-threaded performance, making it suitable for a wide range of applications, from gaming to data-intensive tasks.

Conclusion

The AMD Granite Ridge “Zen 5” processor represents a significant step forward in CPU design, with its innovative architecture and enhanced performance capabilities. As AMD continues to push the boundaries of technology, the Granite Ridge series is poised to compete strongly in the market, appealing to both gamers and professionals alike. With the rollout of the Ryzen 9000 series, AMD is set to redefine performance standards in the CPU landscape.

Via Nemez (GNR overview), Nemez (annotations), Fitzchens Fits (die-shots), High Yield (YouTube)