CPU Showdown

Core i9-10900KvsEPYC 9755

The Intel Core i9-10900K is a desktop chip for gamers and enthusiasts who want high single-thread speed, while the AMD EPYC 9755 is a server-grade processor for data centers that need massive parallel throughput.

Intel Core i9-10900K
10C / 20T · 125W
VS
AMD EPYC 9755
128C / 256T · 500W
Intel

Core i9-10900K

Comet Lake · 14 nm · 2020

13score
3.5/ 5
0 votes
Cores / Threads
10 / 20
TDP
125W
Boost Clock
5.2 GHz
L3 Cache
20 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 i9-10900K
13
EPYC 9755Winner
100
EPYC 9755 leads by 669.2% in aggregate performance.
Where they rank overall
#1EPYC 9755100
#2Ryzen Threadripper 9980X86
#188Core i9-10900X13
#189Core i9-10900K13
#190Ryzen 5 5600XT13
Technical Specifications

Side-by-Side Specs

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

SpecsCore i9-10900KEPYC 9755
Cores
Total Cores10128
Threads20256
Base Clock3.7 GHz2.7 GHz
Boost Clock5.2 GHz4.1 GHz
Cache
L2 Cache2.5 MB128 MB
L3 Cache20 MB512 MB
Platform
SocketFCLGA1200SP5
MemoryDDR4DDR5
PCIePCIe 3.0PCIe 5.0
iGPUIntel UHD Graphics 630
Power
Base TDP125W500W
General
ArchitectureComet LakeTurin
Process14 nm4 nm
Verdict

Which should you buy?

Winner overall

The EPYC 9755 wins overall for server and workstation users needing extreme multi-threaded performance, but the Core i9-10900K is the better choice for gamers and light productivity.

Best value

The Core i9-10900K offers better value for budget buyers due to its lower power draw and sufficient speed for everyday tasks.

When the other wins

The weaker Core i9-10900K is the right choice for a compact gaming PC where high single-thread speed matters more than many cores.

FAQ

Frequently asked questions

Is the Core i9-10900K better than the EPYC 9755?

Overall the EPYC 9755 is the stronger processor: it ranks higher in our aggregate performance score (100 vs 13 out of 100), so it leads the Core i9-10900K in most workloads.

How much faster is the EPYC 9755 than the Core i9-10900K?

Based on our aggregated benchmark scores the EPYC 9755 is roughly 669% faster than the Core i9-10900K overall. The real-world gap varies by game, resolution and settings.

Which should you buy, the Core i9-10900K or the EPYC 9755?

If you want the most performance, pick the EPYC 9755. If the Core i9-10900K 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.