Does the Core i5-8400 bottleneck the RX 9070 XT?
Slight CPU bottleneck — not dramatic
At 1440p with 16 GB of RAM and an SSD, this pairing scores 52/100. The CPU is the limiting side (CPU 43 vs GPU 63).
52/100
Build score for
Core i5-8400 + RX 9070 XT
Core i5-8400 + RX 9070 XT
The pairing
| CPU | Core i5-8400 — score 43 |
|---|---|
| GPU | RX 9070 XT — score 63 |
| Bottleneck | CPU (limiting) |
| Socket | LGA 1151 |
Best-value upgrade
Best value
Ryzen 5 7600X
+20% performance · from 267 € · build score 52 → 63
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? →
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