CPU Showdown

Core i9-11900KFvsEPYC 9755

The Core i9-11900KF is an older, high-clocked desktop chip for gamers and single-threaded tasks, while the EPYC 9755 is a massive server processor for heavy multi-threaded workloads and data centers.

Intel Core i9-11900KF
8C / 16T · 125W
VS
AMD EPYC 9755
128C / 256T · 500W
Intel

Core i9-11900KF

Rocket Lake · 14 nm · 2021

15score
4.2/ 5
0 votes
Cores / Threads
8 / 16
TDP
125W
Boost Clock
5.2 GHz
L3 Cache
16 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.

Core i9-11900KF
15
EPYC 9755Winner
100
EPYC 9755 leads by 566.7% in aggregate performance.
Where they rank overall
#1EPYC 9755100
#2Ryzen Threadripper 9980X86
#164Core i9-9920X15
#165Core i9-11900KF15
#166Ryzen 5 8400F15
Technical Specifications

Side-by-Side Specs

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

SpecsCore i9-11900KFEPYC 9755
Cores
Total Cores8128
Threads16256
Base Clock3.5 GHz2.7 GHz
Boost Clock5.2 GHz4.1 GHz
Cache
L2 Cache2 MB128 MB
L3 Cache16 MB512 MB
Platform
SocketFCLGA1200SP5
PCIePCIe 4.0PCIe 5.0
Power
Base TDP125W500W
General
ArchitectureRocket LakeTurin
Process14 nm4 nm
Verdict

Which should you buy?

Winner overall

The EPYC 9755 crushes the Core i9-11900KF overall for raw multi-threaded work, but the i9 wins for single-thread tasks and gaming.

Best value

For budget buyers needing general desktop speed, the Core i9-11900KF is the smarter pick over the EPYC 9755.

When the other wins

Choose the Core i9-11900KF over the EPYC 9755 when building a gaming PC where single-thread performance matters more than core count.

FAQ

Frequently asked questions

Is the Core i9-11900KF better than the EPYC 9755?

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 Core i9-11900KF in most workloads.

How much faster is the EPYC 9755 than the Core i9-11900KF?

Based on our aggregated benchmark scores the EPYC 9755 is roughly 567% faster than the Core i9-11900KF overall. The real-world gap varies by game, resolution and settings.

Which should you buy, the Core i9-11900KF or the EPYC 9755?

If you want the most performance, pick the EPYC 9755. If the Core i9-11900KF 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.