CPU Showdown

EPYC 9755vsRyzen 5 8400F

The AMD EPYC 9755 is a 128-core server CPU for data centers handling massive parallel workloads, while the Ryzen 5 8400F is a budget desktop chip for everyday gaming and productivity.

AMD EPYC 9755
128C / 256T · 500W
VS
AMD Ryzen 5 8400F
6C / 12T · 65W
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 8400F

Phoenix · 4 nm · 2024

15score
4/ 5
0 votes
Cores / Threads
6 / 12
TDP
65W
Boost Clock
4.7 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 8400F
15
EPYC 9755 leads by 566.7% in aggregate performance.
Where they rank overall
#1EPYC 9755100
#2Ryzen Threadripper 9980X86
#165Core i9-11900KF15
#166Ryzen 5 8400F15
#167Core i7-11700K15
Technical Specifications

Side-by-Side Specs

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

SpecsEPYC 9755Ryzen 5 8400F
Cores
Total Cores1286
Threads25612
Base Clock2.7 GHz4.2 GHz
Boost Clock4.1 GHz4.7 GHz
Cache
L2 Cache128 MB6 MB
L3 Cache512 MB16 MB
Platform
SocketSP5AM5
MemoryDDR5DDR5
PCIePCIe 5.0PCIe 4.0
Power
Base TDP500W65W
General
ArchitectureTurinPhoenix
Process4 nm4 nm
Verdict

Which should you buy?

Winner overall

The EPYC 9755 dominates the Ryzen 5 8400F for heavy server workloads with vastly more cores and memory, but the Ryzen 5 8400F wins for everyday tasks and gaming due to its higher clock speed and low power draw.

Best value

For budget buyers, the Ryzen 5 8400F offers a smarter pick with excellent single-threaded performance and low power use, while the EPYC 9755 is overkill and too expensive.

When the other wins

The Ryzen 5 8400F is the right choice for a home desktop PC or light gaming build where the EPYC 9755's massive core count would be wasted.

FAQ

Frequently asked questions

Is the EPYC 9755 better than the Ryzen 5 8400F?

Overall the EPYC 9755 is the stronger processor: it ranks higher in our aggregate performance score (100 vs 15 out of 100), so it leads the Ryzen 5 8400F in most workloads.

How much faster is the EPYC 9755 than the Ryzen 5 8400F?

Based on our aggregated benchmark scores the EPYC 9755 is roughly 567% faster than the Ryzen 5 8400F overall. The real-world gap varies by game, resolution and settings.

Which should you buy, the EPYC 9755 or the Ryzen 5 8400F?

If you want the most performance, pick the EPYC 9755. If the Ryzen 5 8400F 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.