CPU Showdown

Core i5-9400vsRyzen Threadripper 9960X

The Core i5-9400 is a no-fuss, six-core desktop chip for everyday computing, while the Ryzen Threadripper 9960X is a massive 24-core workstation monster for heavy multitasking and content creation.

Intel Core i5-9400
6C / 6T · 65W
VS
AMD Ryzen Threadripper 9960X
24C / 48T · 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 9960X

Shimada Peak · 4 nm · 2025

56score
4.9/ 5
0 votes
Cores / Threads
24 / 48
TDP
350W
Boost Clock
5.3 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 i5-9400
6
Ryzen Threadripper 9960XWinner
56
Ryzen Threadripper 9960X leads by 833.3% in aggregate performance.
Where they rank overall
#5Ryzen Threadripper 7970X60
#6Ryzen Threadripper 9960X56
#7Ryzen Threadripper 7960X50
#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 9960X
Cores
Total Cores624
Threads648
Base Clock2.9 GHz4.2 GHz
Boost Clock4.1 GHz5.3 GHz
Cache
L2 Cache1.5 MB24 MB
L3 Cache9 MB128 MB
Platform
PCIePCIe 3.0PCIe 5.0
iGPUIntel UHD Graphics 630
Power
Base TDP65W350W
General
Process14 nm4 nm
Verdict

Which should you buy?

Winner overall

The Ryzen Threadripper 9960X wins overall for anyone needing extreme multitasking or heavy workloads, while the Core i5-9400 is only suitable for basic office tasks.

Best value

For budget buyers, the Core i5-9400 is the smarter pick for everyday computing, but the Threadripper 9960X offers far more processing muscle for demanding users.

When the other wins

The Core i5-9400 is the right choice if you need a cheap, low-power CPU for a simple home or office PC.

FAQ

Frequently asked questions

Is the Core i5-9400 better than the Ryzen Threadripper 9960X?

Overall the Ryzen Threadripper 9960X is the stronger processor: it ranks higher in our aggregate performance score (56 vs 6 out of 100), so it leads the Core i5-9400 in most workloads.

How much faster is the Ryzen Threadripper 9960X than the Core i5-9400?

Based on our aggregated benchmark scores the Ryzen Threadripper 9960X is roughly 833% 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 9960X?

If you want the most performance, pick the Ryzen Threadripper 9960X. 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.