Processor

Intel Core i5-12400F vs AMD Ryzen 9 5900X

Compared by performance index, specifications and load profile. The per-parameter difference comes first; the index follows.

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Verdict

AMD Ryzen 9 5900X is 17% faster on the performance index.

The gap is decisive — these are different classes.

Intel Core i5-12400F leads on 2 parameters, AMD Ryzen 9 5900X on 3.

Specification source: A — Intel; B — AMD. Specifications verified on 2026-07-27

Key differences

Intel Core i5-12400F

Strengths

  • Platform freshness
  • Power efficiency

Trade-offs

  • L3 cache
  • Cores and threads
  • Gaming performance

AMD Ryzen 9 5900X

Strengths

  • L3 cache
  • Cores and threads
  • Gaming performance

Trade-offs

  • Platform freshness
  • Power efficiency

Difference per parameter

  • Gaming performance

    100
    118
  • Cores and threads

    6/12
    12/24
  • Power efficiency

    65 W
    105 W
  • Platform freshness

    LGA1700 · DDR4/DDR5
    AM4 · DDR4
  • L3 cache

    18 MB
    64 MB

Profile of both sides

Gaming performanceCores and threadsPower efficiencyPlatform freshnessL3 cache
Intel Core i5-12400FAMD Ryzen 9 5900X

Specifications side by side

Side AIntel Core i5-12400FSide BAMD Ryzen 9 5900X
Performance index100118better
Cores / threads6/1212/24better
Base clock2.5 GHz3.7 GHzbetter
Boost clock4.4 GHz4.8 GHzbetter
L3 cache18 MB64 MBbetter
Power draw (TDP)65 Wbetter105 W
SocketLGA1700AM4
Memory supportDDR4 / DDR5DDR4
Integrated graphicsNoNo
Process nodeIntel 7TSMC 7 nm
ReleasedQ1 2022Q4 2020

FPS in popular games

FPS is shown only when a verified measurement exists for the exact CPU, GPU and settings.

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Similar comparisons

Other pairs of the same class and pairs involving these models.

Deltas are computed from the EasyX-X catalog: relative performance indices and the vendor’s own published specifications. We do not copy third-party benchmark tables.