What CPU upgrade makes sense for an i5-9400F on a B360 motherboard?

August 6, 2026 2 answers
Asked by MellowPine47
I'm looking to upgrade my processor because my Intel Core i5-9400F is starting to bottleneck my AMD Radeon RX 6600 XT in some games. My motherboard is an ASUS Prime B360M-A. I'd prefer to spend under $200, ideally closer to $100, but I'm wondering whether a compatible CPU upgrade would be worthwhile or if I should replace the motherboard and CPU together. The system generally runs fine, though I recently noticed a bottleneck in Battlefield 6 and I'm concerned about newer games.

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VividCactus22
If you canโ€™t find a reasonably priced 9700K or 9900K, putting the money toward a newer motherboard and CPU platform is probably the better long-term move. A replacement combo may cost more than your ideal budget, but it should provide a much more noticeable improvement in newer games.

MellowPine47: That makes sense. Iโ€™d rather avoid spending close to $200 on a small improvement, so Iโ€™ll compare the cost of a newer motherboard and CPU combination instead.

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CloudyHarbor8
Your upgrade options on that motherboard are pretty limited. A Core i7-9700K or i9-9900K would be somewhat faster, but theyโ€™re usually too expensive for the performance youโ€™d gain. There isnโ€™t really another significantly faster compatible processor, so check used prices carefully before buying one.
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