CPU Showdown

Core i7-7700KvsEPYC 9755

The Core i7-7700K is a quad-core desktop chip for gaming and everyday tasks, while the EPYC 9755 is a 128-core server processor built for massive data centers and heavy parallel workloads.

Intel Core i7-7700K
4C / 8T · 91W
VS
AMD EPYC 9755
128C / 256T · 500W
Intel

Core i7-7700K

Kaby Lake · 14 nm · 2017

6score
3.2/ 5
0 votes
Cores / Threads
4 / 8
TDP
91W
Boost Clock
4.5 GHz
L3 Cache
8 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 i7-7700K
6
EPYC 9755Winner
100
EPYC 9755 leads by 1566.7% in aggregate performance.
Where they rank overall
#1EPYC 9755100
#2Ryzen Threadripper 9980X86
#379Core i7-7740X6
#380Core i7-7700K6
#381Core i5-9600T6
Technical Specifications

Side-by-Side Specs

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

SpecsCore i7-7700KEPYC 9755
Cores
Total Cores4128
Threads8256
Base Clock4.2 GHz2.7 GHz
Boost Clock4.5 GHz4.1 GHz
Cache
L2 Cache1 MB128 MB
L3 Cache8 MB512 MB
Platform
SocketFCLGA1151SP5
MemoryDDR3DDR5
PCIePCIe 3.0PCIe 5.0
iGPUIntel HD Graphics 630
Power
Base TDP91W500W
General
ArchitectureKaby LakeTurin
Process14 nm4 nm
Verdict

Which should you buy?

Winner overall

The EPYC 9755 dominates overall for heavy workloads, leaving the Core i7-7700K far behind for general use.

Best value

For budget buyers, the older Core i7-7700K is the smarter pick if you need basic tasks and already have a compatible motherboard.

When the other wins

The Core i7-7700K is the right choice for a low-cost home office PC where the EPYC 9755's massive power and cost would be wasteful.

FAQ

Frequently asked questions

Is the Core i7-7700K 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 i7-7700K in most workloads.

How much faster is the EPYC 9755 than the Core i7-7700K?

Based on our aggregated benchmark scores the EPYC 9755 is roughly 1567% faster than the Core i7-7700K overall. The real-world gap varies by game, resolution and settings.

Which should you buy, the Core i7-7700K or the EPYC 9755?

If you want the most performance, pick the EPYC 9755. If the Core i7-7700K 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.