CPU Showdown

Core i5-9400vsRyzen Threadripper 7980X

The Core i5-9400 is a simple, low-power chip for everyday desktop users, while the Ryzen Threadripper 7980X is a monstrous workstation processor built for creators who need extreme multi-core grunt.

Intel Core i5-9400
6C / 6T · 65W
VS
AMD Ryzen Threadripper 7980X
64C / 128T · 350W
Intel

Core i5-9400

Coffee Lake · 14 nm · 2019

6score
4.1/ 5
0 votes
Cores / Threads
6 / 6
TDP
65W
Boost Clock
4.1 GHz
L3 Cache
9 MB

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AMD

Ryzen Threadripper 7980X

Storm Peak · 5 nm · 2023

82score
3.7/ 5
0 votes
Cores / Threads
64 / 128
TDP
350W
Boost Clock
5.1 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 i5-9400
6
Ryzen Threadripper 7980XWinner
82
Ryzen Threadripper 7980X leads by 1266.7% in aggregate performance.
Where they rank overall
#2Ryzen Threadripper 9980X86
#3Ryzen Threadripper 7980X82
#4Ryzen Threadripper 9970X64
#383Core i5-9400F6
#384Core i5-94006
#385Ryzen 5 2500X6
Technical Specifications

Side-by-Side Specs

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

SpecsCore i5-9400Ryzen Threadripper 7980X
Cores
Total Cores664
Threads6128
Base Clock2.9 GHz3.2 GHz
Boost Clock4.1 GHz5.1 GHz
Cache
L2 Cache1.5 MB64 MB
L3 Cache9 MB256 MB
Platform
PCIePCIe 3.0PCIe 5.0
iGPUIntel UHD Graphics 630
Power
Base TDP65W350W
General
Process14 nm5 nm
Verdict

Which should you buy?

Winner overall

The Ryzen Threadripper 7980X wins overall for its vastly superior multi-core performance and massive thread count, leaving the Core i5-9400 far behind.

Best value

For budget buyers, the Core i5-9400 is the smarter pick, offering adequate performance for everyday tasks at a much lower cost.

When the other wins

The Core i5-9400 is the right choice for a basic office PC where extreme processing power is unnecessary.

FAQ

Frequently asked questions

Is the Core i5-9400 better than the Ryzen Threadripper 7980X?

Overall the Ryzen Threadripper 7980X is the stronger processor: it ranks higher in our aggregate performance score (82 vs 6 out of 100), so it leads the Core i5-9400 in most workloads.

How much faster is the Ryzen Threadripper 7980X than the Core i5-9400?

Based on our aggregated benchmark scores the Ryzen Threadripper 7980X is roughly 1267% faster than the Core i5-9400 overall. The real-world gap varies by game, resolution and settings.

Which should you buy, the Core i5-9400 or the Ryzen Threadripper 7980X?

If you want the most performance, pick the Ryzen Threadripper 7980X. If the Core i5-9400 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.