CPU Showdown

Ryzen 9 7900XvsEPYC 9755

The AMD EPYC 9755 is a massive server processor for data centers and heavy virtualization, while the Ryzen 9 7900X is a high-end desktop chip for gaming and creative work.

AMD Ryzen 9 7900X
12C / 24T · 170W
VS
AMD EPYC 9755
128C / 256T · 500W
AMD

Ryzen 9 7900X

Raphael (Zen4) · 5 nm · 2022

31score
4.5/ 5
0 votes
Cores / Threads
12 / 24
TDP
170W
Boost Clock
5.6 GHz
L3 Cache
64 MB

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AMD

EPYC 9755

Turin · 4 nm · 2024

100score
2.8/ 5
0 votes
Cores / Threads
128 / 256
TDP
500W
Boost Clock
4.1 GHz
L3 Cache
512 MB

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Aggregate Performance

Overall Performance Score

A unified score from combined synthetic and real-world benchmarks. 100 represents the fastest desktop CPU available.

Ryzen 9 7900X
31
EPYC 9755Winner
100
EPYC 9755 leads by 222.6% in aggregate performance.
Where they rank overall
#1EPYC 9755100
#2Ryzen Threadripper 9980X86
#31Core i7-14700K31
#32Ryzen 9 7900X31
#33Ryzen 9 7900X3D30
Technical Specifications

Side-by-Side Specs

Every detail compared. Highlighted cells indicate the leading value for that metric.

SpecsRyzen 9 7900XEPYC 9755
Cores
Total Cores12128
Threads24256
Base Clock4.7 GHz2.7 GHz
Boost Clock5.6 GHz4.1 GHz
Cache
L2 Cache12 MB128 MB
L3 Cache64 MB512 MB
Platform
SocketAM5SP5
PCIePCIe 5.0PCIe 5.0
iGPUAMD Radeon Graphics
Power
Base TDP170W500W
General
ArchitectureRaphael (Zen4)Turin
Process5 nm4 nm
Verdict

Which should you buy?

Winner overall

The EPYC 9755 dominates for heavy server workloads, but the Ryzen 9 7900X is the clear winner for desktop users needing fast single-threaded performance.

Best value

For budget-conscious buyers, the Ryzen 9 7900X offers far better everyday speed and efficiency than the costly, power-hungry EPYC 9755.

When the other wins

The EPYC 9755 is the right choice when you need extreme multi-threaded throughput for massive virtualization or scientific computing tasks.

FAQ

Frequently asked questions

Is the Ryzen 9 7900X better than the EPYC 9755?

Overall the EPYC 9755 is the stronger processor: it ranks higher in our aggregate performance score (100 vs 31 out of 100), so it leads the Ryzen 9 7900X in most workloads.

How much faster is the EPYC 9755 than the Ryzen 9 7900X?

Based on our aggregated benchmark scores the EPYC 9755 is roughly 223% faster than the Ryzen 9 7900X overall. The real-world gap varies by game, resolution and settings.

Which should you buy, the Ryzen 9 7900X or the EPYC 9755?

If you want the most performance, pick the EPYC 9755. If the Ryzen 9 7900X 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.