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AMD Zen 5 CPUs Rumored to Feature Around 10% IPC Increase, Slightly More in Cinebench R23 Single-Thread Test

5/08/2024

AMD Zen 5 CPUs Rumored to Feature Around 10% IPC Increase, Slightly More in Cinebench R23 Single-Thread Test

AMD’s next-generation Zen 5 core architecture is generating quite a buzz as we approach Computex 2024. Leaks and rumors have been circulating, shedding light on what we can expect from the upcoming Ryzen and EPYC CPUs.

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Let’s dive into the details:

IPC Increase:

  • The AMD Zen 5 core architecture is expected to deliver an IPC increase of around 10% compared to its predecessor, Zen 4.
  • Interestingly, when selecting the Cinebench R23 1T (Single-Thread) test, the IPC gain is even more significant.

Historical Context:

  • To put this in perspective, let’s review the IPC improvements across previous Zen architectures:
    • Excavator to Zen 1: 52% IPC increase
    • Zen 1 to Zen+: 3% IPC increase
    • Zen+ to Zen 2: 15% IPC increase
    • Zen 2 to Zen 3: 19% IPC increase
    • Zen 3 to Zen 4: 13% IPC increase
    • Zen 4 to Zen 5: ~10% IPC increase (as per the current rumor)

Potential for Further Improvement:

  • While a 10% IPC increase might seem modest compared to previous leaps, keep in mind that these claims are likely based on early samples.
  • With the final silicon, the IPC could potentially approach the 15% mark, which would be a commendable improvement.

Known Features of Zen 5:

  • Enhanced performance and efficiency: AMD aims to strike a balance between raw power and energy efficiency.
  • Re-pipelined front-end and wide issue: These architectural enhancements should contribute to better overall performance.
  • Integrated AI and Machine Learning optimizations: Zen 5 CPUs are expected to leverage AI capabilities effectively.

Windows 10 Drivers and AI NPUs:

  • Starting with the upcoming Strix Point “Ryzen AI HX” APUs, AMD will cease providing Windows 10 drivers. This move aligns with their focus on marketing these chips for the AI PC platform.
  • Microsoft plans to integrate next-gen Windows 11 OS updates with more Copilot and AI-intensive features to harness the power of the onboard AI NPUs.

In summary, while Zen 5’s IPC increase may not break records, it represents a steady evolution in AMD’s CPU architecture. As we await official announcements, the tech community eagerly anticipates the performance gains these chips will bring to the table.