CPU Showdown

Core i9-9940XvsRyzen Threadripper 9970X

The Intel Core i9-9940X is a 14-core workstation chip for professionals who need solid single-threaded speed, while the Ryzen Threadripper 9970X is a 32-core behemoth built for heavy multi-threaded workloads.

Intel Core i9-9940X
14C / 28T · 165W
VS
AMD Ryzen Threadripper 9970X
32C / 64T · 350W
Intel

Core i9-9940X

Skylake (server) · 14 nm · 2018

17score
3.8/ 5
0 votes
Cores / Threads
14 / 28
TDP
165W
Boost Clock
4.5 GHz
L3 Cache
19.25 MB

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AMD

Ryzen Threadripper 9970X

Shimada Peak · 4 nm · 2025

64score
4.4/ 5
0 votes
Cores / Threads
32 / 64
TDP
350W
Boost Clock
5.4 GHz
L3 Cache
128 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 i9-9940X
17
Ryzen Threadripper 9970XWinner
64
Ryzen Threadripper 9970X leads by 276.5% in aggregate performance.
Where they rank overall
#3Ryzen Threadripper 7980X82
#4Ryzen Threadripper 9970X64
#5Ryzen Threadripper 7970X60
#125Ryzen 7 5800XT17
#126Core i9-9940X17
#127Core i5-13600T17
Technical Specifications

Side-by-Side Specs

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

SpecsCore i9-9940XRyzen Threadripper 9970X
Cores
Total Cores1432
Threads2864
Base Clock3.3 GHz4.0 GHz
Boost Clock4.5 GHz5.4 GHz
Cache
L2 Cache14 MB32 MB
L3 Cache19.25 MB128 MB
Platform
PCIePCIe 3.0PCIe 5.0
Power
Base TDP165W350W
General
Process14 nm4 nm
Verdict

Which should you buy?

Winner overall

The Ryzen Threadripper 9970X wins overall with vastly more cores, faster boost speeds, and larger cache for heavy workloads.

Best value

For budget-focused buyers, the older Core i9-9940X is the smarter pick if you need a capable chip at a lower price.

When the other wins

Choose the Core i9-9940X when you already have a compatible X299 motherboard and want to avoid a full platform upgrade.

FAQ

Frequently asked questions

Is the Core i9-9940X better than the Ryzen Threadripper 9970X?

Overall the Ryzen Threadripper 9970X is the stronger processor: it ranks higher in our aggregate performance score (64 vs 17 out of 100), so it leads the Core i9-9940X in most workloads.

How much faster is the Ryzen Threadripper 9970X than the Core i9-9940X?

Based on our aggregated benchmark scores the Ryzen Threadripper 9970X is roughly 277% faster than the Core i9-9940X overall. The real-world gap varies by game, resolution and settings.

Which should you buy, the Core i9-9940X or the Ryzen Threadripper 9970X?

If you want the most performance, pick the Ryzen Threadripper 9970X. If the Core i9-9940X 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.