CPU Showdown

Ryzen 9 3900vsRyzen Threadripper 7970X

The Ryzen 9 3900 is a solid, efficient 12-core chip for everyday builders who want good multi-tasking without breaking the bank, while the Threadripper 7970X is a monstrous 32-core workstation engine for professionals who need to chew through heavy rendering or simulation work.

AMD Ryzen 9 3900
12C / 24T · 65W
VS
AMD Ryzen Threadripper 7970X
32C / 64T · 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 7970X

Storm Peak · 5 nm · 2023

60score
4/ 5
0 votes
Cores / Threads
32 / 64
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.

Ryzen 9 3900
18
Ryzen Threadripper 7970XWinner
60
Ryzen Threadripper 7970X leads by 233.3% in aggregate performance.
Where they rank overall
#4Ryzen Threadripper 9970X64
#5Ryzen Threadripper 7970X60
#6Ryzen Threadripper 9960X56
#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 7970X
Cores
Total Cores1232
Threads2464
Base Clock3.1 GHz4.0 GHz
Boost Clock4.3 GHz5.3 GHz
Cache
L2 Cache6 MB32 MB
L3 Cache64 MB128 MB
Platform
SocketAM4sTR5
PCIePCIe 4.0PCIe 5.0
Power
Base TDP65W350W
General
Process7 nm5 nm
Verdict

Which should you buy?

Winner overall

The Ryzen Threadripper 7970X is the clear winner for demanding multi-threaded workloads, while the Ryzen 9 3900 offers a far more efficient and affordable option for general use.

Best value

For budget-conscious buyers, the Ryzen 9 3900 gives you strong multi-core performance at a fraction of the Threadripper 7970X's cost.

When the other wins

The Ryzen 9 3900 is the right choice if you need a capable CPU for everyday tasks and gaming without the high power draw and platform cost of the Threadripper 7970X.

FAQ

Frequently asked questions

Is the Ryzen 9 3900 better than the Ryzen Threadripper 7970X?

Overall the Ryzen Threadripper 7970X is the stronger processor: it ranks higher in our aggregate performance score (60 vs 18 out of 100), so it leads the Ryzen 9 3900 in most workloads.

How much faster is the Ryzen Threadripper 7970X than the Ryzen 9 3900?

Based on our aggregated benchmark scores the Ryzen Threadripper 7970X is roughly 233% 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 7970X?

If you want the most performance, pick the Ryzen Threadripper 7970X. 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.