Core i9-9900XvsEPYC 9755
The Core i9-9900X is a 10-core desktop processor for enthusiasts who need solid single-threaded speed, while the EPYC 9755 is a 128-core server chip built for massive multi-threaded workloads.
Core i9-9900X
Skylake (server) · 14 nm · 2018
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EPYC 9755
Turin · 4 nm · 2024
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Overall Performance Score
A unified score from combined synthetic and real-world benchmarks. 100 represents the fastest desktop CPU available.
Side-by-Side Specs
Every detail compared. Highlighted cells indicate the leading value for that metric.
Which should you buy?
The EPYC 9755 dominates the Core i9-9900X overall with massively more cores and far higher performance for demanding workloads.
For value buyers, the EPYC 9755 offers vastly more processing power and memory capacity, making it the smarter pick.
Choose the Core i9-9900X if you need a lower-power CPU for a legacy workstation with minimal multi-threaded tasks.
Frequently asked questions
Is the Core i9-9900X better than the EPYC 9755?
Overall the EPYC 9755 is the stronger processor: it ranks higher in our aggregate performance score (100 vs 13 out of 100), so it leads the Core i9-9900X in most workloads.
How much faster is the EPYC 9755 than the Core i9-9900X?
Based on our aggregated benchmark scores the EPYC 9755 is roughly 669% faster than the Core i9-9900X overall. The real-world gap varies by game, resolution and settings.
Which should you buy, the Core i9-9900X or the EPYC 9755?
If you want the most performance, pick the EPYC 9755. If the Core i9-9900X is meaningfully cheaper where you shop, it can be the better value for similar real-world results — check current prices and the full spec comparison above before deciding.