CPU Showdown

Pentium Silver J5040vsRyzen Threadripper 9980X

The Pentium Silver J5040 is a tiny, low-power chip for basic office work or a home server, while the Ryzen Threadripper 9980X is a massive workstation processor built for heavy rendering and video production.

Intel Pentium Silver J5040
4C / 4T · 10W
VS
AMD Ryzen Threadripper 9980X
64C / 128T · 350W
Intel

Pentium Silver J5040

Gemini Lake Refresh · 14 nm · 2019

2score
3.3/ 5
0 votes
Cores / Threads
4 / 4
TDP
10W
Boost Clock
3.2 GHz
L3 Cache
4 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.

Pentium Silver J5040
2
Ryzen Threadripper 9980XWinner
86
Ryzen Threadripper 9980X leads by 4200.0% in aggregate performance.
Where they rank overall
#1EPYC 9755100
#2Ryzen Threadripper 9980X86
#3Ryzen Threadripper 7980X82
#516Pentium Gold G5500T2
#517Pentium Silver J50402
#518Pentium Gold G5400T2
Technical Specifications

Side-by-Side Specs

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

SpecsPentium Silver J5040Ryzen Threadripper 9980X
Cores
Total Cores464
Threads4128
Base Clock2.0 GHz3.2 GHz
Boost Clock3.2 GHz5.4 GHz
Cache
L2 Cache4 MB64 MB
L3 Cache4 MB256 MB
Platform
MemoryDDR4DDR5
PCIePCIe 2.0PCIe 5.0
iGPUIntel UHD Graphics 605
Power
Base TDP10W350W
Verdict

Which should you buy?

Winner overall

The Ryzen Threadripper 9980X wins decisively for any demanding task, leaving the Pentium Silver J5040 far behind.

Best value

The Pentium Silver J5040 is the smarter pick for budget buyers needing a low-power, basic computing chip.

When the other wins

Choose the Pentium Silver J5040 for a silent, energy-sipping home server or light office machine where extreme speed is unnecessary.

FAQ

Frequently asked questions

Is the Pentium Silver J5040 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 2 out of 100), so it leads the Pentium Silver J5040 in most workloads.

How much faster is the Ryzen Threadripper 9980X than the Pentium Silver J5040?

Based on our aggregated benchmark scores the Ryzen Threadripper 9980X is roughly 4200% faster than the Pentium Silver J5040 overall. The real-world gap varies by game, resolution and settings.

Which should you buy, the Pentium Silver J5040 or the Ryzen Threadripper 9980X?

If you want the most performance, pick the Ryzen Threadripper 9980X. If the Pentium Silver J5040 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.