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AMD · Released Aug 2024

Ryzen 9 9900X Review

Zen 5 · 12C/24T · 5.6 GHz · AM5

Specdex verdict The Ryzen 9 9900X earns Specdex's editor's pick — flagship-tier with no significant weak spots, a clear recommendation in its category.

AMD's mid-flagship Zen 5 — 12 cores at 5.6 GHz boost, 64 MB L3, 120 W TDP. The productivity-heavy chip below the 9950X. Released August 15, 2024 at $499.

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Ryzen 9 9900X — Zen 5 · 12C/24T · 5.6 GHz · AM5
Specdex verdict
Editor’s Pick

Specdex doesn't run benchmarks in-house. The verdict is an editorial assessment based on manufacturer specs and public reviewer consensus. See methodology.

Editorial · Specdex take
Pros
  • +12 cores at 5.6 GHz boost
  • +120 W TDP — cooler than 9950X
  • +AM5 platform longevity
Cons
  • 9950X edges it on multi-thread
  • 9800X3D beats it on gaming
  • $499 puts it close to higher-tier

Who's the Ryzen 9 9900X for?

Quick verdicts for the most common buyer profiles, derived from the sub-scores above.

Power users and creators Skip

Compute scores trail current top-tier — look at our step-up alternatives below if performance is the priority.

Budget-conscious buyers Buy

At $499 this is a genuine value play — Specdex score of 92 far exceeds the typical sub-$500 baseline.

In the box

What you get when you unbox the Ryzen 9 9900X.

  • Processor
  • Cooler (non-X3D / non-K SKUs)

Standard contents — region/SKU may vary; confirm at retailer.

Sources & benchmarks

Cited, not generated
PassMark · CPU Mark
View on PassMark →
54,410

Multi-sample composite benchmark from PassMark — independent, third-party measurement. Higher is better. Specdex does not run this test; the number above is PassMark's published score, linked to the source page above for verification.

Performance
Ryzen 9 9900X performance specs
Specification Value
Cores 12
Threads 24
L3 cache 64 MB
TDP 120 W
Process TSMC N4X
iGPU Radeon Graphics (RDNA 2, 2 CUs)
Memory DDR5-5600 dual-channel
Software & support
Ryzen 9 9900X software & support specs
Specification Value
Boost clock 5.6 GHz
Other
Ryzen 9 9900X other specs
Specification Value
Base clock 4.4 GHz
Socket AM5

Cheaper alternatives to the Ryzen 9 9900X

Same category, at least 20% cheaper, best-scoring picks from our catalog.

Step up from the Ryzen 9 9900X

Higher-scoring processors if you've got more to spend.

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Also consider

See every head-to-head matchup for the Ryzen 9 9900X →

Where the Ryzen 9 9900X appears on Specdex

Curated lists, spec rankings, and buying guides where this product is mentioned or ranked.