CPU Showdown

Ryzen 9 PRO 3900vsEPYC 9755

The EPYC 9755 is a server CPU built for massive data centers and virtualization, while the Ryzen 9 PRO 3900 is a professional desktop chip for workstations and business PCs.

AMD Ryzen 9 PRO 3900
12C / 24T · 65W
VS
AMD EPYC 9755
128C / 256T · 500W
AMD

Ryzen 9 PRO 3900

Zen 2 · 7 nm · 2019

19score
4.9/ 5
0 votes
Cores / Threads
12 / 24
TDP
65W
Boost Clock
4.3 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 PRO 3900
19
EPYC 9755Winner
100
EPYC 9755 leads by 426.3% in aggregate performance.
Where they rank overall
#1EPYC 9755100
#2Ryzen Threadripper 9980X86
#96Core i5-1360019
#97Ryzen 9 PRO 390019
#98Core Ultra 5 225F19
Technical Specifications

Side-by-Side Specs

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

SpecsRyzen 9 PRO 3900EPYC 9755
Cores
Total Cores12128
Threads24256
Base Clock3.1 GHz2.7 GHz
Boost Clock4.3 GHz4.1 GHz
Cache
L2 Cache6 MB128 MB
L3 Cache64 MB512 MB
Platform
SocketSocket AM4SP5
PCIePCIe 5.0
Power
Base TDP65W500W
General
ArchitectureZen 2Turin
Process7 nm4 nm
Verdict

Which should you buy?

Winner overall

The EPYC 9755 dominates for heavy server workloads, while the Ryzen 9 PRO 3900 wins for everyday desktop use.

Best value

The Ryzen 9 PRO 3900 is the smarter pick for budget buyers, offering strong single-threaded speed at a fraction of the power cost.

When the other wins

The Ryzen 9 PRO 3900 is the right choice for a home office PC where low heat and quiet operation matter more than raw core count.

FAQ

Frequently asked questions

Is the Ryzen 9 PRO 3900 better than the EPYC 9755?

Overall the EPYC 9755 is the stronger processor: it ranks higher in our aggregate performance score (100 vs 19 out of 100), so it leads the Ryzen 9 PRO 3900 in most workloads.

How much faster is the EPYC 9755 than the Ryzen 9 PRO 3900?

Based on our aggregated benchmark scores the EPYC 9755 is roughly 426% faster than the Ryzen 9 PRO 3900 overall. The real-world gap varies by game, resolution and settings.

Which should you buy, the Ryzen 9 PRO 3900 or the EPYC 9755?

If you want the most performance, pick the EPYC 9755. If the Ryzen 9 PRO 3900 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.