CPU Showdown

Core i5-11400vsEPYC 9755

The Core i5-11400 is a solid, everyday processor for budget gaming and home office builds, while the EPYC 9755 is a server-grade monster built for massive data centers and heavy virtualization.

Intel Core i5-11400
6C / 12T · 65W
VS
AMD EPYC 9755
128C / 256T · 500W
Intel

Core i5-11400

Rocket Lake · 14 nm · 2021

10score
4.3/ 5
0 votes
Cores / Threads
6 / 12
TDP
65W
Boost Clock
4.4 GHz
L3 Cache
12 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 i5-11400
10
EPYC 9755Winner
100
EPYC 9755 leads by 900.0% in aggregate performance.
Where they rank overall
#1EPYC 9755100
#2Ryzen Threadripper 9980X86
#263Ryzen Threadripper 1900X10
#264Core i5-1140010
#265Core i5-12500T10
Technical Specifications

Side-by-Side Specs

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

SpecsCore i5-11400EPYC 9755
Cores
Total Cores6128
Threads12256
Base Clock2.6 GHz2.7 GHz
Boost Clock4.4 GHz4.1 GHz
Cache
L2 Cache1.5 MB128 MB
L3 Cache12 MB512 MB
Platform
SocketFCLGA1200SP5
PCIePCIe 4.0PCIe 5.0
iGPUIntel UHD Graphics 730
Power
Base TDP65W500W
General
ArchitectureRocket LakeTurin
Process14 nm4 nm
Verdict

Which should you buy?

Winner overall

The EPYC 9755 wins overall for server tasks, but the Core i5-11400 is better for budget desktops.

Best value

Budget buyers should pick the Core i5-11400 for its lower power use and adequate everyday performance.

When the other wins

The Core i5-11400 is the right choice for a basic home office PC where extreme multi-core speed is unnecessary.

FAQ

Frequently asked questions

Is the Core i5-11400 better than the EPYC 9755?

Overall the EPYC 9755 is the stronger processor: it ranks higher in our aggregate performance score (100 vs 10 out of 100), so it leads the Core i5-11400 in most workloads.

How much faster is the EPYC 9755 than the Core i5-11400?

Based on our aggregated benchmark scores the EPYC 9755 is roughly 900% faster than the Core i5-11400 overall. The real-world gap varies by game, resolution and settings.

Which should you buy, the Core i5-11400 or the EPYC 9755?

If you want the most performance, pick the EPYC 9755. If the Core i5-11400 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.