Does the Core i5-9400F bottleneck the RTX 4080?
Slight CPU bottleneck — not dramatic
At 1440p with 16 GB of RAM and an SSD, this pairing scores 54/100. The CPU is the limiting side (CPU 44 vs GPU 66).
54/100
Build score for
Core i5-9400F + RTX 4080
Core i5-9400F + RTX 4080
The pairing
| CPU | Core i5-9400F — score 44 |
|---|---|
| GPU | RTX 4080 — score 66 |
| Bottleneck | CPU (limiting) |
| Socket | LGA 1151 |
Best-value upgrade
Best value
Ryzen 5 7600X
+20% performance · from 267 € · build score 54 → 65
Prices are live EU retail (EUR), refreshed weekly. US and UK support is coming soon.
Related checks
Same CPU, other GPUs
Which GPU pairs best with the Core i5-9400F? →
Analyze your own build →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.