Does the Core i5-12600K bottleneck the RTX 5090?

Q: Does the Core i5-12600K bottleneck the RTX 5090?

Slight CPU bottleneck — not dramatic. Build score 84/100 for this pairing.

Slight CPU bottleneck — not dramatic

At 1440p with 16 GB of RAM and an SSD, this pairing scores 84/100. The CPU is the limiting side (CPU 72 vs GPU 100).

84/100

Build score for
Core i5-12600K + RTX 5090

The pairing

CPU	Core i5-12600K — score 72
GPU	RTX 5090 — score 100
Bottleneck	CPU (léger)
Socket	LGA 1700

Upgrade

No upgrade would meaningfully improve this pairing right now — keep your money.

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This page is generated by the same deterministic engine as the interactive tool: real benchmark data, usage-weighted, with RAM and storage multipliers. Change the usage profile, RAM, storage or budget to get a result tailored to your actual build.