CPU Showdown

Core i9-12900KvsEPYC 9755

The Core i9-12900K is a fast desktop processor for gamers and creators who need snappy single-threaded performance, while the EPYC 9755 is a server chip built for massive multi-threaded workloads in data centers.

Intel Core i9-12900K
16C / 24T · 125W
VS
AMD EPYC 9755
128C / 256T · 500W
Intel

Core i9-12900K

Alder Lake, Golden Cove, Gracemont · 10 nm · 2021

25score
3.8/ 5
0 votes
Cores / Threads
16 / 24
TDP
125W
Boost Clock
5.2 GHz
L3 Cache
6 MB

As an Amazon Associate we may earn from qualifying purchases.

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

As an Amazon Associate we may earn from qualifying purchases.

Aggregate Performance

Overall Performance Score

A unified score from combined synthetic and real-world benchmarks. 100 represents the fastest desktop CPU available.

Core i9-12900K
25
EPYC 9755Winner
100
EPYC 9755 leads by 300.0% in aggregate performance.
Where they rank overall
#1EPYC 9755100
#2Ryzen Threadripper 9980X86
#55Ryzen 7 9850X3D25
#56Core i9-12900K25
#57Core i9-12900KF24
Technical Specifications

Side-by-Side Specs

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

SpecsCore i9-12900KEPYC 9755
Cores
Total Cores16128
Threads24256
Base Clock3.2 GHz2.7 GHz
Boost Clock5.2 GHz4.1 GHz
Cache
L2 Cache4 MB128 MB
L3 Cache6 MB512 MB
Platform
SocketFCLGA1700SP5
MemoryDDR4DDR5
PCIePCIe 5.0 and 4.0PCIe 5.0
iGPUIntel UHD Graphics 770
Power
Base TDP125W500W
General
Process10 nm4 nm
Verdict

Which should you buy?

Winner overall

The EPYC 9755 wins overall with far more cores and memory, leaving the Core i9-12900K in the dust for heavy workloads.

Best value

For budget buyers, the Core i9-12900K is the smarter pick, offering strong everyday performance at a much lower cost.

When the other wins

The Core i9-12900K is the right choice for a gaming PC or home office build where the EPYC's extreme power and cost are unnecessary.

FAQ

Frequently asked questions

Is the Core i9-12900K better than the EPYC 9755?

Overall the EPYC 9755 is the stronger processor: it ranks higher in our aggregate performance score (100 vs 25 out of 100), so it leads the Core i9-12900K in most workloads.

How much faster is the EPYC 9755 than the Core i9-12900K?

Based on our aggregated benchmark scores the EPYC 9755 is roughly 300% faster than the Core i9-12900K overall. The real-world gap varies by game, resolution and settings.

Which should you buy, the Core i9-12900K or the EPYC 9755?

If you want the most performance, pick the EPYC 9755. If the Core i9-12900K 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.