CPU Showdown

EPYC 9755vsRyzen 5 PRO 8640U

The EPYC 9755 is a massive 128-core server chip for heavy data center workloads, while the Ryzen 5 PRO 8640U is a compact 6-core laptop processor for business users on the go.

AMD EPYC 9755
128C / 256T · 500W
VS
AMD Ryzen 5 PRO 8640U
6C / 12T · 28W
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 5 PRO 8640U

Hawk Point · 4 nm · 2024

14score
3.4/ 5
0 votes
Cores / Threads
6 / 12
TDP
28W
Boost Clock
4.9 GHz
L3 Cache
16 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 5 PRO 8640U
14
EPYC 9755 leads by 614.3% in aggregate performance.
Where they rank overall
#1EPYC 9755100
#2Ryzen Threadripper 9980X86
#181Core i5-14500T14
#182Ryzen 5 PRO 8640U14
#183Core i9-11900KB14
Technical Specifications

Side-by-Side Specs

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

SpecsEPYC 9755Ryzen 5 PRO 8640U
Cores
Total Cores1286
Threads25612
Base Clock2.7 GHz3.5 GHz
Boost Clock4.1 GHz4.9 GHz
Cache
L2 Cache128 MB6 MB
L3 Cache512 MB16 MB
Platform
SocketSP5FP7
MemoryDDR5DDR5
PCIePCIe 5.0PCIe 4.0
iGPUAMD Radeon 760M
Power
Base TDP500W28W
General
ArchitectureTurinHawk Point
Process4 nm4 nm
Verdict

Which should you buy?

Winner overall

The EPYC 9755 dominates for raw multi-threaded server workloads, while the Ryzen 5 PRO 8640U wins for efficient mobile use.

Best value

The Ryzen 5 PRO 8640U is the smarter pick for budget buyers needing a cool, power-sipping laptop chip.

When the other wins

The weaker EPYC 9755 is the right choice only if you need a desktop-class chip for a compact, low-power office PC.

FAQ

Frequently asked questions

Is the EPYC 9755 better than the Ryzen 5 PRO 8640U?

Overall the EPYC 9755 is the stronger processor: it ranks higher in our aggregate performance score (100 vs 14 out of 100), so it leads the Ryzen 5 PRO 8640U in most workloads.

How much faster is the EPYC 9755 than the Ryzen 5 PRO 8640U?

Based on our aggregated benchmark scores the EPYC 9755 is roughly 614% faster than the Ryzen 5 PRO 8640U overall. The real-world gap varies by game, resolution and settings.

Which should you buy, the EPYC 9755 or the Ryzen 5 PRO 8640U?

If you want the most performance, pick the EPYC 9755. If the Ryzen 5 PRO 8640U 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.