CPU Showdown

Core i7-7820XvsRyzen Threadripper 9980X

The Core i7-7820X is an older 8-core Intel chip for workstation builders who want solid single-threaded performance without extreme power draw, while the Threadripper 9980X is a massive 64-core AMD processor for professionals who need to chew through heavily parallel tasks.

Intel Core i7-7820X
8C / 16T · 140W
VS
AMD Ryzen Threadripper 9980X
64C / 128T · 350W
Intel

Core i7-7820X

Skylake (server) · 14 nm · 2017

10score
3.9/ 5
0 votes
Cores / Threads
8 / 16
TDP
140W
Boost Clock
4.5 GHz
L3 Cache
11 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 i7-7820X
10
Ryzen Threadripper 9980XWinner
86
Ryzen Threadripper 9980X leads by 760.0% in aggregate performance.
Where they rank overall
#1EPYC 9755100
#2Ryzen Threadripper 9980X86
#3Ryzen Threadripper 7980X82
#258Core i5-12600T10
#259Core i7-7820X10
#260Core i5-1150010
Technical Specifications

Side-by-Side Specs

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

SpecsCore i7-7820XRyzen Threadripper 9980X
Cores
Total Cores864
Threads16128
Base Clock3.6 GHz3.2 GHz
Boost Clock4.5 GHz5.4 GHz
Cache
L2 Cache8 MB64 MB
L3 Cache11 MB256 MB
Platform
PCIePCIe 3.0PCIe 5.0
Power
Base TDP140W350W
General
Process14 nm4 nm
Verdict

Which should you buy?

Winner overall

The Ryzen Threadripper 9980X dominates the Core i7-7820X with far more cores and faster performance for heavy workloads.

Best value

For budget-minded buyers, the older Core i7-7820X is the smarter pick if you need a capable CPU on a tight budget.

When the other wins

The Core i7-7820X is the right choice for a simple office PC where the Threadripper's extreme power and cost are overkill.

FAQ

Frequently asked questions

Is the Core i7-7820X 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 10 out of 100), so it leads the Core i7-7820X in most workloads.

How much faster is the Ryzen Threadripper 9980X than the Core i7-7820X?

Based on our aggregated benchmark scores the Ryzen Threadripper 9980X is roughly 760% faster than the Core i7-7820X overall. The real-world gap varies by game, resolution and settings.

Which should you buy, the Core i7-7820X or the Ryzen Threadripper 9980X?

If you want the most performance, pick the Ryzen Threadripper 9980X. If the Core i7-7820X 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.