Does the Core i5-9400F bottleneck the RTX 5090?

Q: Does the Core i5-9400F bottleneck the RTX 5090?

Yes — the CPU is clearly holding this build back. Build score 68/100. Best-value upgrade: Ryzen 5 7600X (+27% performance, 267 €).

Yes — the CPU is clearly holding this build back

At 1440p with 16 GB of RAM and an SSD, this pairing scores 68/100. The CPU is the limiting side (CPU 44 vs GPU 100).

68/100

Build score for
Core i5-9400F + RTX 5090

The pairing

CPU	Core i5-9400F — score 44
GPU	RTX 5090 — score 100
Bottleneck	CPU (sévère)
Socket	LGA 1151

Best-value upgrade

Best value

Ryzen 5 7600X

+27% performance · from 267 € · build score 68 → 87

Prices are live EU retail (EUR), refreshed weekly. US and UK support is coming soon.

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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.