CPU Showdown

Core i7-9800XvsEPYC 9755

The Core i7-9800X is an older, high-end desktop processor for enthusiasts who need decent single-threaded speed, while the EPYC 9755 is a modern server chip built for massive multi-threaded workloads in data centers.

Intel Core i7-9800X
8C / 16T · 165W
VS
AMD EPYC 9755
128C / 256T · 500W
Intel

Core i7-9800X

Skylake (server) · 14 nm · 2018

11score
3.3/ 5
0 votes
Cores / Threads
8 / 16
TDP
165W
Boost Clock
4.5 GHz
L3 Cache
16.5 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 i7-9800X
11
EPYC 9755Winner
100
EPYC 9755 leads by 809.1% in aggregate performance.
Where they rank overall
#1EPYC 9755100
#2Ryzen Threadripper 9980X86
#244Ryzen 5 PRO 8540U11
#245Core i7-9800X11
#246Ryzen 5 3600X11
Technical Specifications

Side-by-Side Specs

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

SpecsCore i7-9800XEPYC 9755
Cores
Total Cores8128
Threads16256
Base Clock3.8 GHz2.7 GHz
Boost Clock4.5 GHz4.1 GHz
Cache
L2 Cache8 MB128 MB
L3 Cache16.5 MB512 MB
Platform
SocketFCLGA2066SP5
PCIePCIe 3.0PCIe 5.0
Power
Base TDP165W500W
General
ArchitectureSkylake (server)Turin
Process14 nm4 nm
Verdict

Which should you buy?

Winner overall

The EPYC 9755 crushes the Core i7-9800X overall for any serious workload, offering vastly more cores and memory in a server-class package.

Best value

For budget/value buyers, the Core i7-9800X is the smarter pick if you need a capable desktop CPU without paying for extreme server hardware.

When the other wins

The Core i7-9800X is the right choice for a legacy workstation build where motherboard and memory costs must stay low.

FAQ

Frequently asked questions

Is the Core i7-9800X better than the EPYC 9755?

Overall the EPYC 9755 is the stronger processor: it ranks higher in our aggregate performance score (100 vs 11 out of 100), so it leads the Core i7-9800X in most workloads.

How much faster is the EPYC 9755 than the Core i7-9800X?

Based on our aggregated benchmark scores the EPYC 9755 is roughly 809% faster than the Core i7-9800X overall. The real-world gap varies by game, resolution and settings.

Which should you buy, the Core i7-9800X or the EPYC 9755?

If you want the most performance, pick the EPYC 9755. If the Core i7-9800X 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.