CPU Showdown

Ryzen 5 PRO 8645HSvsRyzen Threadripper 9980X

The Ryzen 5 PRO 8645HS is a compact, efficient chip for everyday office laptops and thin workstations, while the Ryzen Threadripper 9980X is a massive desktop processor built for heavy rendering and professional content creation.

AMD Ryzen 5 PRO 8645HS
6C / 12T · 45W
VS
AMD Ryzen Threadripper 9980X
64C / 128T · 350W
AMD

Ryzen 5 PRO 8645HS

Hawk Point · 4 nm · 2024

14score
5/ 5
0 votes
Cores / Threads
6 / 12
TDP
45W
Boost Clock
5.0 GHz
L3 Cache
16 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 5 PRO 8645HS
14
Ryzen Threadripper 9980XWinner
86
Ryzen Threadripper 9980X leads by 514.3% in aggregate performance.
Where they rank overall
#1EPYC 9755100
#2Ryzen Threadripper 9980X86
#3Ryzen Threadripper 7980X82
#175Ryzen 7 PRO 5750G14
#176Ryzen 5 PRO 8645HS14
#177Core i9-7920X14
Technical Specifications

Side-by-Side Specs

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

SpecsRyzen 5 PRO 8645HSRyzen Threadripper 9980X
Cores
Total Cores664
Threads12128
Base Clock4.3 GHz3.2 GHz
Boost Clock5.0 GHz5.4 GHz
Cache
L2 Cache6 MB64 MB
L3 Cache16 MB256 MB
Platform
SocketFP7sTR5
MemoryDDR5DDR5
PCIePCIe 4.0PCIe 5.0
iGPUAMD Radeon 760M
Power
Base TDP45W350W
General
Process4 nm4 nm
Verdict

Which should you buy?

Winner overall

The Ryzen Threadripper 9980X wins overall for users needing extreme multi-threaded power, while the Ryzen 5 PRO 8645HS suits efficient, compact systems.

Best value

For budget and value buyers, the Ryzen 5 PRO 8645HS is the smarter pick due to far lower power draw and cost.

When the other wins

Choose the Ryzen 5 PRO 8645HS when building a quiet, low-power office PC where massive core counts are unnecessary.

FAQ

Frequently asked questions

Is the Ryzen 5 PRO 8645HS 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 14 out of 100), so it leads the Ryzen 5 PRO 8645HS in most workloads.

How much faster is the Ryzen Threadripper 9980X than the Ryzen 5 PRO 8645HS?

Based on our aggregated benchmark scores the Ryzen Threadripper 9980X is roughly 514% faster than the Ryzen 5 PRO 8645HS overall. The real-world gap varies by game, resolution and settings.

Which should you buy, the Ryzen 5 PRO 8645HS or the Ryzen Threadripper 9980X?

If you want the most performance, pick the Ryzen Threadripper 9980X. If the Ryzen 5 PRO 8645HS 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.