CPU Showdown

Ryzen 9 3900XvsRyzen Threadripper 9980X

The Ryzen 9 3900X is a 12-core desktop chip for mainstream builders, while the Threadripper 9980X is a 64-core workstation monster for professionals who need extreme multi-tasking.

AMD Ryzen 9 3900X
12C / 24T · 105W
VS
AMD Ryzen Threadripper 9980X
64C / 128T · 350W
AMD

Ryzen 9 3900X

Matisse (Zen 2) · 7 nm · 2019

20score
4.6/ 5
0 votes
Cores / Threads
12 / 24
TDP
105W
Boost Clock
4.6 GHz
L3 Cache
64 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.

Ryzen 9 3900X
20
Ryzen Threadripper 9980XWinner
86
Ryzen Threadripper 9980X leads by 330.0% in aggregate performance.
Where they rank overall
#1EPYC 9755100
#2Ryzen Threadripper 9980X86
#3Ryzen Threadripper 7980X82
#88Core i7-13700E20
#89Ryzen 9 3900X20
#90Ryzen 9 3900XT20
Technical Specifications

Side-by-Side Specs

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

SpecsRyzen 9 3900XRyzen Threadripper 9980X
Cores
Total Cores1264
Threads24128
Base Clock3.8 GHz3.2 GHz
Boost Clock4.6 GHz5.4 GHz
Cache
L2 Cache6 MB64 MB
L3 Cache64 MB256 MB
Platform
SocketAM4sTR5
MemoryDDR4DDR5
PCIePCIe 5.0
Power
Base TDP105W350W
General
Process7 nm4 nm
Verdict

Which should you buy?

Winner overall

The Threadripper 9980X wins overall for heavy multi-threaded workloads, but the Ryzen 9 3900X is the smarter pick for most users.

Best value

For budget and value buyers, the Ryzen 9 3900X offers strong performance at a much lower cost than the Threadripper 9980X.

When the other wins

The Ryzen 9 3900X is the right choice when you need a capable CPU for gaming and daily tasks without paying for extreme core counts.

FAQ

Frequently asked questions

Is the Ryzen 9 3900X 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 20 out of 100), so it leads the Ryzen 9 3900X in most workloads.

How much faster is the Ryzen Threadripper 9980X than the Ryzen 9 3900X?

Based on our aggregated benchmark scores the Ryzen Threadripper 9980X is roughly 330% faster than the Ryzen 9 3900X overall. The real-world gap varies by game, resolution and settings.

Which should you buy, the Ryzen 9 3900X or the Ryzen Threadripper 9980X?

If you want the most performance, pick the Ryzen Threadripper 9980X. If the Ryzen 9 3900X 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.