CPU Showdown

Ryzen 9 3900vsRyzen Threadripper 7980X

The Ryzen 9 3900 is a solid, efficient 12-core chip for mainstream builders, while the Threadripper 7980X is a monstrous 64-core workstation processor aimed at professionals who need extreme multi-threaded power.

AMD Ryzen 9 3900
12C / 24T · 65W
VS
AMD Ryzen Threadripper 7980X
64C / 128T · 350W
AMD

Ryzen 9 3900

Matisse (Zen 2) · 7 nm · 2019

18score
4.7/ 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 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 3900
18
Ryzen Threadripper 7980XWinner
82
Ryzen Threadripper 7980X leads by 355.6% in aggregate performance.
Where they rank overall
#2Ryzen Threadripper 9980X86
#3Ryzen Threadripper 7980X82
#4Ryzen Threadripper 9970X64
#104Core Ultra 5 245T19
#105Ryzen 9 390018
#106Core 5 221E18
Technical Specifications

Side-by-Side Specs

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

SpecsRyzen 9 3900Ryzen Threadripper 7980X
Cores
Total Cores1264
Threads24128
Base Clock3.1 GHz3.2 GHz
Boost Clock4.3 GHz5.1 GHz
Cache
L2 Cache6 MB64 MB
L3 Cache64 MB256 MB
Platform
SocketAM4sTR5
PCIePCIe 4.0PCIe 5.0
Power
Base TDP65W350W
General
Process7 nm5 nm
Verdict

Which should you buy?

Winner overall

The Threadripper 7980X wins for extreme multi-threaded workloads, but the Ryzen 9 3900 is the smarter choice for everyday users.

Best value

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

When the other wins

The Ryzen 9 3900 is the right pick for a home office PC where you need good multitasking without the high price of a workstation platform.

FAQ

Frequently asked questions

Is the Ryzen 9 3900 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 18 out of 100), so it leads the Ryzen 9 3900 in most workloads.

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

Based on our aggregated benchmark scores the Ryzen Threadripper 7980X is roughly 356% faster than the Ryzen 9 3900 overall. The real-world gap varies by game, resolution and settings.

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

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