Does the Core i5-8400 bottleneck the Arc B580?
Yes — the GPU is clearly holding this build back
At 1440p with 16 GB of RAM and an SSD, this pairing scores 30/100. The GPU is the limiting side (CPU 43 vs GPU 28).
30/100
Build score for
Core i5-8400 + Arc B580
Core i5-8400 + Arc B580
The pairing
| CPU | Core i5-8400 — score 43 |
|---|---|
| GPU | Arc B580 — score 28 |
| Bottleneck | GPU (limiting) |
| Socket | LGA 1151 |
Best-value upgrade
Best value
RTX 5070
+56% performance · from 549 € · build score 30 → 46
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 i5-8400? →
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.