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Zen 5 CPU Architecture Changes & Chipset Differences (X870E vs. X870, B850, B840)

8/07/2024
Let’s dive into the exciting world of AMD’s Zen 5 CPUs and explore the architecture changes and chipset differences. Buckle up, because we’re about to decode the tech magic behind these processors.

AMD Zen 5 Architecture: A Quick Overview

AMD’s Zen 5 CPUs, codenamed “Granite Ridge,” are set to launch on August 15. These chips feature the Zen 5 architecture and utilize the AM5 socket. Here’s a recap of the lineup:

  1. Ryzen 9 9950X:

    • 16 cores
    • Max boost clock of 5.7GHz
    • 80MB cache
    • 170W TDP

  2. Ryzen 9 9900X:

    • 12 cores
    • Slightly lower boost and cache
    • 120W TDP

  3. Ryzen 7 9700X:

    • 8 cores
    • Max boost clock of 5.5GHz
    • 40MB cache (single-CCD design)
    • 65W TDP

  4. Ryzen 5 9600X:

    • 6 cores

What’s New in Zen 5?

  1. On-the-Fly Memory Tuning:

    • Adjust memory settings from within Windows without rebooting.
    • Say goodbye to tedious BIOS tweaks!

  2. Curve Shaper:

    • Builds upon the existing “Curve Optimizer.”
    • Fine-tune your CPU’s performance curves for optimal efficiency.

  3. Expanded Execution Window:

    • Zen 5 boasts up to 448 supported operations (OPs).
    • A 40% increase compared to its predecessor.

Chipset Differences: X870E vs. X870, B850, B840

AMD’s new chipsets play a crucial role in supporting these CPUs. Let’s compare:

  1. X870E:

    • Premium chipset
    • Enhanced I/O features
    • Designed for enthusiasts and high-end systems

  2. X870:

    • Standard chipset
    • Balanced features
    • Suitable for most users

  3. B850 & B840:

    • Budget-friendly chipsets
    • Basic features
    • Ideal for entry-level builds

Remember, pricing details are still under wraps, but stay tuned for our upcoming reviews as we put these chips through their paces! 🚀