Core i9-9920XvsEPYC 9755
The Core i9-9920X is a 12-core desktop HEDT chip for single-threaded tasks and older software, while the EPYC 9755 is a 128-core server monster meant for massive parallel workloads and virtualization.
Core i9-9920X
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 crushes the Core i9-9920X overall with vastly more cores and memory for heavy server workloads.
For budget/value buyers, the older Core i9-9920X is the smarter pick if you only need basic multi-threading at lower cost.
The Core i9-9920X is the right choice for a legacy workstation where software lacks support for the EPYC's massive core count.
Frequently asked questions
Is the Core i9-9920X better than the EPYC 9755?
Overall the EPYC 9755 is the stronger processor: it ranks higher in our aggregate performance score (100 vs 15 out of 100), so it leads the Core i9-9920X in most workloads.
How much faster is the EPYC 9755 than the Core i9-9920X?
Based on our aggregated benchmark scores the EPYC 9755 is roughly 567% faster than the Core i9-9920X overall. The real-world gap varies by game, resolution and settings.
Which should you buy, the Core i9-9920X or the EPYC 9755?
If you want the most performance, pick the EPYC 9755. If the Core i9-9920X 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.