CPU Showdown

Core i9-7920XvsEPYC 9755

The Core i9-7920X is a high-end desktop processor for enthusiasts who need strong single-thread speed, while the EPYC 9755 is a server CPU built for massive multi-threaded workloads and data centers.

Intel Core i9-7920X
12C / 24T · 140W
VS
AMD EPYC 9755
128C / 256T · 500W
Intel

Core i9-7920X

Skylake (server) · 14 nm · 2017

14score
3.8/ 5
0 votes
Cores / Threads
12 / 24
TDP
140W
Boost Clock
4.4 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 i9-7920X
14
EPYC 9755Winner
100
EPYC 9755 leads by 614.3% in aggregate performance.
Where they rank overall
#1EPYC 9755100
#2Ryzen Threadripper 9980X86
#176Ryzen 5 PRO 8645HS14
#177Core i9-7920X14
#178Ryzen 7 3800XT14
Technical Specifications

Side-by-Side Specs

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

SpecsCore i9-7920XEPYC 9755
Cores
Total Cores12128
Threads24256
Base Clock2.9 GHz2.7 GHz
Boost Clock4.4 GHz4.1 GHz
Cache
L2 Cache12 MB128 MB
L3 Cache16.5 MB512 MB
Platform
SocketFCLGA2066SP5
PCIePCIe 3.0PCIe 5.0
Power
Base TDP140W500W
General
ArchitectureSkylake (server)Turin
Process14 nm4 nm
Verdict

Which should you buy?

Winner overall

The EPYC 9755 dominates the Core i9-7920X overall for any modern workload due to vastly more cores and cache.

Best value

For budget buyers, the older Core i9-7920X is the smarter pick if you need a capable CPU cheaply for light tasks.

When the other wins

The Core i9-7920X is the right choice if you are building a legacy workstation and cannot upgrade your motherboard or power supply.

FAQ

Frequently asked questions

Is the Core i9-7920X better than the EPYC 9755?

Overall the EPYC 9755 is the stronger processor: it ranks higher in our aggregate performance score (100 vs 14 out of 100), so it leads the Core i9-7920X in most workloads.

How much faster is the EPYC 9755 than the Core i9-7920X?

Based on our aggregated benchmark scores the EPYC 9755 is roughly 614% faster than the Core i9-7920X overall. The real-world gap varies by game, resolution and settings.

Which should you buy, the Core i9-7920X or the EPYC 9755?

If you want the most performance, pick the EPYC 9755. If the Core i9-7920X 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.