CPU Showdown

Core i7-6800KvsEPYC 9755

The Core i7-6800K is a six-core enthusiast chip for gamers and hobbyists who build their own rigs, while the EPYC 9755 is a 128-core server monster for massive data centers.

Intel Core i7-6800K
6C / 12T · 140W
VS
AMD EPYC 9755
128C / 256T · 500W
Intel

Core i7-6800K

Broadwell-E · 14 nm · 2016

6score
3.8/ 5
0 votes
Cores / Threads
6 / 12
TDP
140W
Boost Clock
3.8 GHz
L3 Cache
15 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 i7-6800K
6
EPYC 9755Winner
100
EPYC 9755 leads by 1566.7% in aggregate performance.
Where they rank overall
#1EPYC 9755100
#2Ryzen Threadripper 9980X86
#359Ryzen 3 PRO 4350G7
#360Core i7-6800K6
#361Ryzen 3 PRO 4355GE6
Technical Specifications

Side-by-Side Specs

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

SpecsCore i7-6800KEPYC 9755
Cores
Total Cores6128
Threads12256
Base Clock3.4 GHz2.7 GHz
Boost Clock3.8 GHz4.1 GHz
Cache
L2 Cache1.5 MB128 MB
L3 Cache15 MB512 MB
Platform
SocketFCLGA2011SP5
MemoryDDR4DDR5
PCIePCIe 3.0PCIe 5.0
Power
Base TDP140W500W
General
ArchitectureBroadwell-ETurin
Process14 nm4 nm
Verdict

Which should you buy?

Winner overall

The EPYC 9755 crushes the Core i7-6800K in every metric for heavy workloads, winning decisively for server and multithreaded tasks.

Best value

For budget buyers, the Core i7-6800K is the smarter pick if you need a cheap, older platform for light use.

When the other wins

The Core i7-6800K is the right choice when building a low-cost, modest-performance system for basic computing and legacy software compatibility.

FAQ

Frequently asked questions

Is the Core i7-6800K better than the EPYC 9755?

Overall the EPYC 9755 is the stronger processor: it ranks higher in our aggregate performance score (100 vs 6 out of 100), so it leads the Core i7-6800K in most workloads.

How much faster is the EPYC 9755 than the Core i7-6800K?

Based on our aggregated benchmark scores the EPYC 9755 is roughly 1567% faster than the Core i7-6800K overall. The real-world gap varies by game, resolution and settings.

Which should you buy, the Core i7-6800K or the EPYC 9755?

If you want the most performance, pick the EPYC 9755. If the Core i7-6800K 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.