CPU Showdown

Ryzen 9 3900XTvsRyzen Threadripper 7980X

The Ryzen 9 3900XT is a 12-core chip for mainstream builders who want solid multi-threaded work without leaving the AM4 platform, while the Threadripper 7980X is a 64-core monster for professionals running the heaviest rendering or simulation workloads.

AMD Ryzen 9 3900XT
12C / 24T · 105W
VS
AMD Ryzen Threadripper 7980X
64C / 128T · 350W
AMD

Ryzen 9 3900XT

Matisse 2 · 7 nm · 2020

20score
4.7/ 5
0 votes
Cores / Threads
12 / 24
TDP
105W
Boost Clock
4.7 GHz
L3 Cache
64 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.

Ryzen 9 3900XT
20
Ryzen Threadripper 7980XWinner
82
Ryzen Threadripper 7980X leads by 310.0% in aggregate performance.
Where they rank overall
#2Ryzen Threadripper 9980X86
#3Ryzen Threadripper 7980X82
#4Ryzen Threadripper 9970X64
#89Ryzen 9 3900X20
#90Ryzen 9 3900XT20
#91Ryzen Threadripper 2990WX19
Technical Specifications

Side-by-Side Specs

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

SpecsRyzen 9 3900XTRyzen Threadripper 7980X
Cores
Total Cores1264
Threads24128
Base Clock3.8 GHz3.2 GHz
Boost Clock4.7 GHz5.1 GHz
Cache
L2 Cache6 MB64 MB
L3 Cache64 MB256 MB
Platform
SocketAM4sTR5
PCIePCIe 4.0PCIe 5.0
Power
Base TDP105W350W
General
ArchitectureMatisse 2Storm Peak
Process7 nm5 nm
Verdict

Which should you buy?

Winner overall

The Ryzen Threadripper 7980X wins overall for heavy multithreaded work, but the Ryzen 9 3900XT is the practical choice for most users.

Best value

For budget-minded buyers, the Ryzen 9 3900XT offers solid performance at a lower cost than the much more expensive Ryzen Threadripper 7980X.

When the other wins

The Ryzen 9 3900XT is the right choice if you're building a general-purpose PC and don't need the extreme core count of the Threadripper 7980X.

FAQ

Frequently asked questions

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

How much faster is the Ryzen Threadripper 7980X than the Ryzen 9 3900XT?

Based on our aggregated benchmark scores the Ryzen Threadripper 7980X is roughly 310% faster than the Ryzen 9 3900XT overall. The real-world gap varies by game, resolution and settings.

Which should you buy, the Ryzen 9 3900XT or the Ryzen Threadripper 7980X?

If you want the most performance, pick the Ryzen Threadripper 7980X. If the Ryzen 9 3900XT 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.