CPU Showdown

Pentium Gold G6405vsEPYC 9755

The AMD EPYC 9755 is a 128-core server CPU for massive data centers and virtualization, while the Intel Pentium Gold G6405 is a basic 2-core desktop chip for budget office PCs.

Intel Pentium Gold G6405
2C / 4T · 15W
VS
AMD EPYC 9755
128C / 256T · 500W
Intel

Pentium Gold G6405

Comet Lake-R · 14 nm · 2021

2score
3.5/ 5
0 votes
Cores / Threads
2 / 4
TDP
15W
Boost Clock
4.1 GHz
L3 Cache
4 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.

Pentium Gold G6405
2
EPYC 9755Winner
100
EPYC 9755 leads by 4900.0% in aggregate performance.
Where they rank overall
#1EPYC 9755100
#2Ryzen Threadripper 9980X86
#496Pentium Gold G56002
#497Pentium Gold G64052
#498Pentium G46202
Technical Specifications

Side-by-Side Specs

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

SpecsPentium Gold G6405EPYC 9755
Cores
Total Cores2128
Threads4256
Base Clock4.1 GHz2.7 GHz
Boost Clock4.1 GHz4.1 GHz
Cache
L2 Cache0.5 MB128 MB
L3 Cache4 MB512 MB
Platform
SocketFCLGA1200SP5
PCIePCIe 3.0PCIe 5.0
iGPUIntel UHD Graphics 610
Power
Base TDP15W500W
General
ArchitectureComet Lake-RTurin
Process14 nm4 nm
Verdict

Which should you buy?

Winner overall

The EPYC 9755 wins overall for anyone needing extreme multi-core performance, while the Pentium Gold G6405 is only suitable for the most basic office tasks.

Best value

For budget buyers, the Pentium Gold G6405 is the smarter pick because it costs far less for light computing.

When the other wins

The Pentium Gold G6405 is the right choice if you need a cheap, low-power CPU for a simple home server or web browsing machine.

FAQ

Frequently asked questions

Is the Pentium Gold G6405 better than the EPYC 9755?

Overall the EPYC 9755 is the stronger processor: it ranks higher in our aggregate performance score (100 vs 2 out of 100), so it leads the Pentium Gold G6405 in most workloads.

How much faster is the EPYC 9755 than the Pentium Gold G6405?

Based on our aggregated benchmark scores the EPYC 9755 is roughly 4900% faster than the Pentium Gold G6405 overall. The real-world gap varies by game, resolution and settings.

Which should you buy, the Pentium Gold G6405 or the EPYC 9755?

If you want the most performance, pick the EPYC 9755. If the Pentium Gold G6405 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.