CPU Showdown

Ryzen 9 PRO 3900vsRyzen Threadripper 9980X

The Ryzen 9 PRO 3900 is a 12-core workstation CPU for professionals who need reliable, efficient performance in a standard desktop build, while the Ryzen Threadripper 9980X is a massive 64-core processor for creators and engineers who need to chew through the heaviest multi-threaded workloads.

AMD Ryzen 9 PRO 3900
12C / 24T · 65W
VS
AMD Ryzen Threadripper 9980X
64C / 128T · 350W
AMD

Ryzen 9 PRO 3900

Zen 2 · 7 nm · 2019

19score
4.9/ 5
0 votes
Cores / Threads
12 / 24
TDP
65W
Boost Clock
4.3 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 PRO 3900
19
Ryzen Threadripper 9980XWinner
86
Ryzen Threadripper 9980X leads by 352.6% in aggregate performance.
Where they rank overall
#1EPYC 9755100
#2Ryzen Threadripper 9980X86
#3Ryzen Threadripper 7980X82
#96Core i5-1360019
#97Ryzen 9 PRO 390019
#98Core Ultra 5 225F19
Technical Specifications

Side-by-Side Specs

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

SpecsRyzen 9 PRO 3900Ryzen Threadripper 9980X
Cores
Total Cores1264
Threads24128
Base Clock3.1 GHz3.2 GHz
Boost Clock4.3 GHz5.4 GHz
Cache
L2 Cache6 MB64 MB
L3 Cache64 MB256 MB
Platform
PCIePCIe 5.0
Power
Base TDP65W350W
General
ArchitectureZen 2Shimada Peak
Process7 nm4 nm
Verdict

Which should you buy?

Winner overall

The Ryzen Threadripper 9980X wins overall for its vastly superior multi-core performance and higher boost speeds, but the Ryzen 9 PRO 3900 is the more practical choice for most users.

Best value

For budget-focused buyers, the Ryzen 9 PRO 3900 is the smarter pick, offering solid performance with far lower power draw and cost.

When the other wins

The Ryzen 9 PRO 3900 is the right choice for a quiet home office PC where extreme multi-threading isn't needed.

FAQ

Frequently asked questions

Is the Ryzen 9 PRO 3900 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 19 out of 100), so it leads the Ryzen 9 PRO 3900 in most workloads.

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

Based on our aggregated benchmark scores the Ryzen Threadripper 9980X is roughly 353% faster than the Ryzen 9 PRO 3900 overall. The real-world gap varies by game, resolution and settings.

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

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