CPU Showdown

Ryzen 9 7900vsEPYC 9755

The EPYC 9755 is a 128-core server CPU for massive data centers and virtualization, while the Ryzen 9 7900 is a 12-core desktop chip for gamers and creators.

AMD Ryzen 9 7900
12C / 24T · 65W
VS
AMD EPYC 9755
128C / 256T · 500W
AMD

Ryzen 9 7900

Raphael (Zen4) · 5 nm · 2023

29score
4.5/ 5
0 votes
Cores / Threads
12 / 24
TDP
65W
Boost Clock
5.4 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 7900
29
EPYC 9755Winner
100
EPYC 9755 leads by 244.8% in aggregate performance.
Where they rank overall
#1EPYC 9755100
#2Ryzen Threadripper 9980X86
#36Core i9-13900F29
#37Ryzen 9 790029
#38Core Ultra 5 250KF Plus28
Technical Specifications

Side-by-Side Specs

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

SpecsRyzen 9 7900EPYC 9755
Cores
Total Cores12128
Threads24256
Base Clock3.7 GHz2.7 GHz
Boost Clock5.4 GHz4.1 GHz
Cache
L2 Cache12 MB128 MB
L3 Cache64 MB512 MB
Platform
SocketAM5SP5
PCIePCIe 5.0PCIe 5.0
iGPUAMD Radeon Graphics
Power
Base TDP65W500W
General
ArchitectureRaphael (Zen4)Turin
Process5 nm4 nm
Verdict

Which should you buy?

Winner overall

The EPYC 9755 wins for massive multi-threaded server workloads, while the Ryzen 9 7900 is the clear choice for everyday desktop use.

Best value

For budget buyers, the Ryzen 9 7900 offers strong single-thread performance and low power draw at a fraction of the cost.

When the other wins

If you need a quiet, energy-efficient home office PC, the Ryzen 9 7900 is the right pick over the power-hungry EPYC 9755.

FAQ

Frequently asked questions

Is the Ryzen 9 7900 better than the EPYC 9755?

Overall the EPYC 9755 is the stronger processor: it ranks higher in our aggregate performance score (100 vs 29 out of 100), so it leads the Ryzen 9 7900 in most workloads.

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

Based on our aggregated benchmark scores the EPYC 9755 is roughly 245% faster than the Ryzen 9 7900 overall. The real-world gap varies by game, resolution and settings.

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

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