CPU Showdown

Core i9-9990XEvsEPYC 9755

The Core i9-9990XE is a niche 14-core server CPU for legacy workstation builds, while the EPYC 9755 is a 128-core modern server chip for heavy parallel workloads.

Intel Core i9-9990XE
14C / 28T · 255W
VS
AMD EPYC 9755
128C / 256T · 500W
Intel

Core i9-9990XE

Skylake (server) · 14 nm · 2019

18score
3.7/ 5
0 votes
Cores / Threads
14 / 28
TDP
255W
Boost Clock
4.0 GHz
L3 Cache
19.25 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 i9-9990XE
18
EPYC 9755Winner
100
EPYC 9755 leads by 455.6% in aggregate performance.
Where they rank overall
#1EPYC 9755100
#2Ryzen Threadripper 9980X86
#110Core i7-12700F18
#111Core i9-9990XE18
#112Ryzen 5 9600X18
Technical Specifications

Side-by-Side Specs

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

SpecsCore i9-9990XEEPYC 9755
Cores
Total Cores14128
Threads28256
Base Clock4.0 GHz2.7 GHz
Boost Clock4.0 GHz4.1 GHz
Cache
L2 Cache14 MB128 MB
L3 Cache19.25 MB512 MB
Platform
Socket2066SP5
MemoryDDR4DDR5
PCIePCIe 3.0PCIe 5.0
Power
Base TDP255W500W
General
ArchitectureSkylake (server)Turin
Process14 nm4 nm
Verdict

Which should you buy?

Winner overall

The EPYC 9755 wins overall with vastly more cores and memory for heavy server workloads.

Best value

For budget buyers, the Core i9-9990XE is the smarter pick if you need a capable older platform at lower cost.

When the other wins

The Core i9-9990XE is the right choice for a legacy workstation upgrade where the EPYC 9755's power and platform requirements are overkill.

FAQ

Frequently asked questions

Is the Core i9-9990XE better than the EPYC 9755?

Overall the EPYC 9755 is the stronger processor: it ranks higher in our aggregate performance score (100 vs 18 out of 100), so it leads the Core i9-9990XE in most workloads.

How much faster is the EPYC 9755 than the Core i9-9990XE?

Based on our aggregated benchmark scores the EPYC 9755 is roughly 456% faster than the Core i9-9990XE overall. The real-world gap varies by game, resolution and settings.

Which should you buy, the Core i9-9990XE or the EPYC 9755?

If you want the most performance, pick the EPYC 9755. If the Core i9-9990XE 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.