CPU Showdown

Core i9-9900vsEPYC 9755

The Core i9-9900 is a desktop CPU for mainstream users who need snappy single-threaded performance, while the EPYC 9755 is a server chip built for data centers that need to handle massive parallel workloads.

Intel Core i9-9900
8C / 16T · 65W
VS
AMD EPYC 9755
128C / 256T · 500W
Intel

Core i9-9900

Coffee Lake-R · 14 nm · 2019

10score
3.9/ 5
0 votes
Cores / Threads
8 / 16
TDP
65W
Boost Clock
5.0 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 i9-9900
10
EPYC 9755Winner
100
EPYC 9755 leads by 900.0% in aggregate performance.
Where they rank overall
#1EPYC 9755100
#2Ryzen Threadripper 9980X86
#266Ryzen 7 1800X10
#267Core i9-990010
#268Ryzen 5 PRO 4655G10
Technical Specifications

Side-by-Side Specs

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

SpecsCore i9-9900EPYC 9755
Cores
Total Cores8128
Threads16256
Base Clock3.1 GHz2.7 GHz
Boost Clock5.0 GHz4.1 GHz
Cache
L2 Cache2 MB128 MB
L3 Cache16 MB512 MB
Platform
SocketFCLGA1151SP5
PCIePCIe 3.0PCIe 5.0
iGPUIntel UHD Graphics 630
Power
Base TDP65W500W
General
ArchitectureCoffee Lake-RTurin
Process14 nm4 nm
Verdict

Which should you buy?

Winner overall

The EPYC 9755 wins overall for its immense multi-threaded capability, far outpacing the Core i9-9900 in demanding server and workstation tasks.

Best value

For raw compute power in heavy workloads, the EPYC 9755 is the smarter pick; the Core i9-9900 offers better value for low-power, single-threaded tasks.

When the other wins

The Core i9-9900 is the right choice for a compact, energy-efficient home office PC where high single-core speed matters more than core count.

FAQ

Frequently asked questions

Is the Core i9-9900 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 i9-9900 in most workloads.

How much faster is the EPYC 9755 than the Core i9-9900?

Based on our aggregated benchmark scores the EPYC 9755 is roughly 900% faster than the Core i9-9900 overall. The real-world gap varies by game, resolution and settings.

Which should you buy, the Core i9-9900 or the EPYC 9755?

If you want the most performance, pick the EPYC 9755. If the Core i9-9900 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.