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AMD Ryzen 9 PRO 9945 vs AMD Ryzen 9 PRO 9965X3D: Comparison

What is the difference between Ryzen 9 PRO 9945 and Ryzen 9 PRO 9965X3D?

On l3 cache the spread is 50%, Ryzen 9 PRO 9945 64 MB against Ryzen 9 PRO 9965X3D 128 MB, so Ryzen 9 PRO 9965X3D takes it. There is a split on release year as well, 2025 on the Ryzen 9 PRO 9945 versus 2026 on the Ryzen 9 PRO 9965X3D. They differ on base power too, 65 W on the Ryzen 9 PRO 9945 versus 170 W on the Ryzen 9 PRO 9965X3D.

Who each one is for

The Ryzen 9 PRO 9945 is the one to take for mainstream desktops and everyday productivity, though it is not the pick for competitive gaming rigs and heavy content creation. The Ryzen 9 PRO 9965X3D suits high-refresh-rate gaming and flagship gaming builds, though it is the wrong buy for budget builds and non-gaming workstation loads. Our rating of the Ryzen 9 PRO 9945 (7.9/10): the AMD Ryzen PRO 9 9945 is a well-rounded mainstream desktop chip that covers everyday computing and light gaming without a premium price tag. Our rating of the Ryzen 9 PRO 9965X3D (9.2/10): the AMD Ryzen PRO 9 9965X3D is one of the best gaming CPUs available, its huge L3 cache translating directly into higher in-game frame rates.

Where the two are identical

Where they agree, they agree completely, efficiency cores, integrated graphics, socket, form factor and igpu included, so the decision does not turn on any of those. They match on 4 further specifications as well.

Frequently asked questions

Do the Ryzen 9 PRO 9945 and Ryzen 9 PRO 9965X3D differ on total cores?

Yes. Total Cores reads 12 on the Ryzen 9 PRO 9945 versus 16 on the Ryzen 9 PRO 9965X3D.

Is the Market Segment the same on the Ryzen 9 PRO 9945 and Ryzen 9 PRO 9965X3D?

It is. Both are listed at Desktop, so it is not a reason to pick one over the other.

Specs and benchmarks

  • Form Factor

    AMD Ryzen 9 PRO 9945
    Desktop
    AMD Ryzen 9 PRO 9965X3D
    Desktop
  • Codename

    AMD Ryzen 9 PRO 9945
    Granite Ridge
    AMD Ryzen 9 PRO 9965X3D
    Granite Ridge
  • Release Year

    AMD Ryzen 9 PRO 9945
    2025
    AMD Ryzen 9 PRO 9965X3D
    2026
  • TDP

    AMD Ryzen 9 PRO 9945
    65 W
    AMD Ryzen 9 PRO 9965X3D
    170 W
  • iGPU

    AMD Ryzen 9 PRO 9945
    AMD Radeon Graphics
    AMD Ryzen 9 PRO 9965X3D
    AMD Radeon Graphics
  • Market Segment

    AMD Ryzen 9 PRO 9945
    Desktop
    AMD Ryzen 9 PRO 9965X3D
    Desktop
  • Microarchitecture

    AMD Ryzen 9 PRO 9945
    Zen 5 (9000 series)
    AMD Ryzen 9 PRO 9965X3D
    Zen 5 (9000 series)
  • Socket

    AMD Ryzen 9 PRO 9945
    AM5
    AMD Ryzen 9 PRO 9965X3D
    AM5
  • Process Node

    AMD Ryzen 9 PRO 9945
    TSMC 4nm FinFET
    AMD Ryzen 9 PRO 9965X3D
    TSMC 4nm FinFET
  • Total Cores

    AMD Ryzen 9 PRO 9945
    12
    AMD Ryzen 9 PRO 9965X3D
    16Best
  • Performance Cores

    AMD Ryzen 9 PRO 9945
    12
    AMD Ryzen 9 PRO 9965X3D
    16Best
  • Efficiency Cores

    AMD Ryzen 9 PRO 9945
    0
    AMD Ryzen 9 PRO 9965X3D
    0
  • Total Threads

    AMD Ryzen 9 PRO 9945
    24
    AMD Ryzen 9 PRO 9965X3D
    32Best
  • SMT Enabled

    AMD Ryzen 9 PRO 9945
    Yes
    AMD Ryzen 9 PRO 9965X3D
    Yes
  • P-Core Base Clock

    AMD Ryzen 9 PRO 9945
    3.4 GHz
    AMD Ryzen 9 PRO 9965X3D
    4.3 GHz
  • P-Core Boost Clock

    AMD Ryzen 9 PRO 9945
    5.4 GHz
    AMD Ryzen 9 PRO 9965X3D
    5.5 GHz
  • L3 Cache

    AMD Ryzen 9 PRO 9945
    64 MB-50%
    AMD Ryzen 9 PRO 9965X3D
    128 MBBest
  • Base Power

    AMD Ryzen 9 PRO 9945
    65 W
    AMD Ryzen 9 PRO 9965X3D
    170 W
  • Memory Type

    AMD Ryzen 9 PRO 9945
    DDR5
    AMD Ryzen 9 PRO 9965X3D
    DDR5
  • Integrated Graphics

    AMD Ryzen 9 PRO 9945
    Yes
    AMD Ryzen 9 PRO 9965X3D
    Yes

    Which one should you pick?

    Choose 9945 if you already have it on hand or find it at a lower price.

    Choose 9965X3D if you want the higher L3 cache (128 MB vs 64 MB).

    Verdict

    AMD Ryzen 9 PRO 9945

    7.9 / 10 Expert Rating

    The AMD Ryzen PRO 9 9945 is a well-rounded mainstream desktop chip that covers everyday computing and light gaming without a premium price tag.

    AMD Ryzen 9 PRO 9965X3D

    9.2 / 10 Expert Rating

    The AMD Ryzen PRO 9 9965X3D is one of the best gaming CPUs available, its huge L3 cache translating directly into higher in-game frame rates.