CPU Showdown

EPYC 9755vsRyzen 9 9900X3D

The AMD EPYC 9755 is a 128-core server CPU built for massive data centers and heavy virtualization, while the Ryzen 9 9900X3D is a 12-core desktop chip with 3D V-Cache aimed at gamers and content creators.

AMD EPYC 9755
128C / 256T · 500W
VS
AMD Ryzen 9 9900X3D
12C / 24T · 120W
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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AMD

Ryzen 9 9900X3D

Granite Ridge · 4 nm · 2025

34score
4.1/ 5
0 votes
Cores / Threads
12 / 24
TDP
120W
Boost Clock
5.5 GHz
L3 Cache
128 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.

EPYC 9755Winner
100
Ryzen 9 9900X3D
34
EPYC 9755 leads by 194.1% in aggregate performance.
Where they rank overall
#1EPYC 9755100
#2Ryzen Threadripper 9980X86
#25Core i9-13900KF35
#26Ryzen 9 9900X3D34
#27Ryzen Threadripper 3960X33
Technical Specifications

Side-by-Side Specs

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

SpecsEPYC 9755Ryzen 9 9900X3D
Cores
Total Cores12812
Threads25624
Base Clock2.7 GHz4.4 GHz
Boost Clock4.1 GHz5.5 GHz
Cache
L2 Cache128 MB12 MB
L3 Cache512 MB128 MB
Platform
SocketSP5AM5
MemoryDDR5DDR5
PCIePCIe 5.0PCIe 5.0
iGPUAMD Radeon Graphics
Power
Base TDP500W120W
General
ArchitectureTurinGranite Ridge
Process4 nm4 nm
Verdict

Which should you buy?

Winner overall

The EPYC 9755 is the clear winner for raw multi-core work, but the Ryzen 9 9900X3D is far better for single-threaded tasks and gaming.

Best value

For budget buyers, the Ryzen 9 9900X3D is the smarter pick, offering great gaming speed at a fraction of the power and cost.

When the other wins

Choose the EPYC 9755 if you need to run massive virtual machines or compile huge codebases, where its many cores crush heavy workloads.

FAQ

Frequently asked questions

Is the EPYC 9755 better than the Ryzen 9 9900X3D?

Overall the EPYC 9755 is the stronger processor: it ranks higher in our aggregate performance score (100 vs 34 out of 100), so it leads the Ryzen 9 9900X3D in most workloads.

How much faster is the EPYC 9755 than the Ryzen 9 9900X3D?

Based on our aggregated benchmark scores the EPYC 9755 is roughly 194% faster than the Ryzen 9 9900X3D overall. The real-world gap varies by game, resolution and settings.

Which should you buy, the EPYC 9755 or the Ryzen 9 9900X3D?

If you want the most performance, pick the EPYC 9755. If the Ryzen 9 9900X3D 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.