CPU Showdown

Core i7-6900KvsRyzen Threadripper 9980X

The Core i7‑6900K is an older 8‑core CPU for enthusiasts who want a solid, no‑frills high‑end desktop chip, while the Ryzen Threadripper 9980X is a modern 64‑core monster aimed at professionals who need extreme multi‑tasking and rendering power.

Intel Core i7-6900K
8C / 16T · 140W
VS
AMD Ryzen Threadripper 9980X
64C / 128T · 350W
Intel

Core i7-6900K

Broadwell-E · 14 nm · 2016

9score
3.5/ 5
0 votes
Cores / Threads
8 / 16
TDP
140W
Boost Clock
4.0 GHz
L3 Cache
20 MB

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AMD

Ryzen Threadripper 9980X

Shimada Peak · 4 nm · 2025

86score
3.9/ 5
0 votes
Cores / Threads
64 / 128
TDP
350W
Boost Clock
5.4 GHz
L3 Cache
256 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 i7-6900K
9
Ryzen Threadripper 9980XWinner
86
Ryzen Threadripper 9980X leads by 855.6% in aggregate performance.
Where they rank overall
#1EPYC 9755100
#2Ryzen Threadripper 9980X86
#3Ryzen Threadripper 7980X82
#291Ryzen 7 2700E9
#292Core i7-6900K9
#293Ryzen 3 PRO 8300GE9
Technical Specifications

Side-by-Side Specs

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

SpecsCore i7-6900KRyzen Threadripper 9980X
Cores
Total Cores864
Threads16128
Base Clock3.2 GHz3.2 GHz
Boost Clock4.0 GHz5.4 GHz
Cache
L2 Cache2 MB64 MB
L3 Cache20 MB256 MB
Platform
MemoryDDR4DDR5
PCIePCIe 3.0PCIe 5.0
Power
Base TDP140W350W
General
Process14 nm4 nm
Verdict

Which should you buy?

Winner overall

The Ryzen Threadripper 9980X wins overall for its vastly superior multi-core performance and modern features, leaving the Core i7-6900K far behind.

Best value

For budget buyers, the Core i7-6900K is the smarter pick if you already have the platform and need basic eight-core power.

When the other wins

The Core i7-6900K is the right choice for a legacy workstation upgrade where replacing the motherboard and cooler isn't justified.

FAQ

Frequently asked questions

Is the Core i7-6900K better than the Ryzen Threadripper 9980X?

Overall the Ryzen Threadripper 9980X is the stronger processor: it ranks higher in our aggregate performance score (86 vs 9 out of 100), so it leads the Core i7-6900K in most workloads.

How much faster is the Ryzen Threadripper 9980X than the Core i7-6900K?

Based on our aggregated benchmark scores the Ryzen Threadripper 9980X is roughly 856% faster than the Core i7-6900K overall. The real-world gap varies by game, resolution and settings.

Which should you buy, the Core i7-6900K or the Ryzen Threadripper 9980X?

If you want the most performance, pick the Ryzen Threadripper 9980X. If the Core i7-6900K 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.