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AMD Ryzen PRO 5 7645 vs AMD Ryzen PRO 9 9955: Comparison

What is the difference between Ryzen PRO 5 7645 and Ryzen PRO 9 9955?

L3 cache is where these two genuinely part company, Ryzen PRO 5 7645 32 MB against Ryzen PRO 9 9955 64 MB, a 50% lead for Ryzen PRO 9 9955. On total cores there is little in it, 6 on the Ryzen PRO 5 7645 versus 16 on the Ryzen PRO 9 9955. The total threads figures are near enough to ignore, 12 on the Ryzen PRO 5 7645 versus 32 on the Ryzen PRO 9 9955. There is a split on release year as well, 2023 on the Ryzen PRO 5 7645 versus 2024 on the Ryzen PRO 9 9955. There is a split on microarchitecture as well, Zen 4 on the Ryzen PRO 5 7645 versus Zen 5 on the Ryzen PRO 9 9955.

Ryzen PRO 5 7645 vs Ryzen PRO 9 9955: which one fits your build

The Ryzen PRO 5 7645 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. Buy the Ryzen PRO 9 9955 for mainstream desktops and everyday productivity, though it is not built for competitive gaming rigs and heavy content creation. Our rating of the Ryzen PRO 5 7645 (7.9/10): the AMD Ryzen PRO 5 7645 is a well-rounded mainstream desktop chip that covers everyday computing and light gaming without a premium price tag. Our rating of the Ryzen PRO 9 9955 (7.9/10): the AMD Ryzen PRO 9 9955 is a well-rounded mainstream desktop chip that covers everyday computing and light gaming without a premium price tag.

What Ryzen PRO 5 7645 and Ryzen PRO 9 9955 have in common

Everything else lines up. P-core boost clock, p-core base clock, tdp, socket and form factor read the same on both, so those are not worth weighing. They match on 1 further specification as well.

Frequently asked questions

Is the iGPU the same on the Ryzen PRO 5 7645 and Ryzen PRO 9 9955?

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

Specs and benchmarks

  • Form Factor

    AMD Ryzen PRO 5 7645
    Desktop
    AMD Ryzen PRO 9 9955
    Desktop
  • Release Year

    AMD Ryzen PRO 5 7645
    2023
    AMD Ryzen PRO 9 9955
    2024
  • TDP

    AMD Ryzen PRO 5 7645
    65 W
    AMD Ryzen PRO 9 9955
    65 W
  • iGPU

    AMD Ryzen PRO 5 7645
    AMD Radeon Graphics (2 CUs, RDNA 2)
    AMD Ryzen PRO 9 9955
    AMD Radeon Graphics (2 CUs, RDNA 2)
  • Microarchitecture

    AMD Ryzen PRO 5 7645
    Zen 4 (7000 series)
    AMD Ryzen PRO 9 9955
    Zen 5 (9000 series)
  • Socket

    AMD Ryzen PRO 5 7645
    AM5 (LGA 1718)
    AMD Ryzen PRO 9 9955
    AM5 (LGA 1718)
  • Total Cores

    AMD Ryzen PRO 5 7645
    6
    AMD Ryzen PRO 9 9955
    16Best
  • Total Threads

    AMD Ryzen PRO 5 7645
    12
    AMD Ryzen PRO 9 9955
    32Best
  • P-Core Base Clock

    AMD Ryzen PRO 5 7645
    3.8 GHz
    AMD Ryzen PRO 9 9955
    3.8 GHz
  • P-Core Boost Clock

    AMD Ryzen PRO 5 7645
    4.9 GHz
    AMD Ryzen PRO 9 9955
    4.9 GHz
  • L3 Cache

    AMD Ryzen PRO 5 7645
    32 MB-50%
    AMD Ryzen PRO 9 9955
    64 MBBest

    Which one should you pick?

    Choose 7645 if you already have it on hand or find it at a lower price.

    Choose 9955 if you want the higher L3 cache (64 MB vs 32 MB).

    Verdict

    AMD Ryzen PRO 5 7645

    7.9 / 10 Expert Rating

    The AMD Ryzen PRO 5 7645 is a well-rounded mainstream desktop chip that covers everyday computing and light gaming without a premium price tag.

    AMD Ryzen PRO 9 9955

    7.9 / 10 Expert Rating

    The AMD Ryzen PRO 9 9955 is a well-rounded mainstream desktop chip that covers everyday computing and light gaming without a premium price tag.

    More comparisons in Processors (CPUs)