CPU Showdown

Ryzen 5 PRO 8645HSvsRyzen Threadripper 9960X

The Ryzen 5 PRO 8645HS is a lean, efficient laptop chip for business users who need solid all-day performance, while the Ryzen Threadripper 9960X is a monster workstation processor built for creators pushing massive, multi-threaded workloads.

AMD Ryzen 5 PRO 8645HS
6C / 12T · 45W
VS
AMD Ryzen Threadripper 9960X
24C / 48T · 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 9960X

Shimada Peak · 4 nm · 2025

56score
4.9/ 5
0 votes
Cores / Threads
24 / 48
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 5 PRO 8645HS
14
Ryzen Threadripper 9960XWinner
56
Ryzen Threadripper 9960X leads by 300.0% in aggregate performance.
Where they rank overall
#5Ryzen Threadripper 7970X60
#6Ryzen Threadripper 9960X56
#7Ryzen Threadripper 7960X50
#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 9960X
Cores
Total Cores624
Threads1248
Base Clock4.3 GHz4.2 GHz
Boost Clock5.0 GHz5.3 GHz
Cache
L2 Cache6 MB24 MB
L3 Cache16 MB128 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 9960X wins overall for heavy workloads needing many cores and fast processing.

Best value

For budget buyers, the Ryzen 5 PRO 8645HS offers better value with lower power use and solid everyday performance.

When the other wins

The weaker Ryzen 5 PRO 8645HS is right for portable, quiet workstations where low heat and battery life matter more than raw multithreading.

FAQ

Frequently asked questions

Is the Ryzen 5 PRO 8645HS better than the Ryzen Threadripper 9960X?

Overall the Ryzen Threadripper 9960X is the stronger processor: it ranks higher in our aggregate performance score (56 vs 14 out of 100), so it leads the Ryzen 5 PRO 8645HS in most workloads.

How much faster is the Ryzen Threadripper 9960X than the Ryzen 5 PRO 8645HS?

Based on our aggregated benchmark scores the Ryzen Threadripper 9960X is roughly 300% 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 9960X?

If you want the most performance, pick the Ryzen Threadripper 9960X. 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.