CPU Showdown

Ryzen 5 PRO 7645vsEPYC 9755

The EPYC 9755 is a 128-core server monster built for massive data centers and heavy virtualization, while the Ryzen 5 PRO 7645 is a 6-core workstation chip for everyday business tasks.

AMD Ryzen 5 PRO 7645
6C / 12T · 65W
VS
AMD EPYC 9755
128C / 256T · 500W
AMD

Ryzen 5 PRO 7645

Raphael · 5 nm · 2023

17score
4.7/ 5
0 votes
Cores / Threads
6 / 12
TDP
65W
Boost Clock
5.1 GHz
L3 Cache
32 MB

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AMD

EPYC 9755

Turin · 4 nm · 2024

100score
2.8/ 5
0 votes
Cores / Threads
128 / 256
TDP
500W
Boost Clock
4.1 GHz
L3 Cache
512 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 7645
17
EPYC 9755Winner
100
EPYC 9755 leads by 488.2% in aggregate performance.
Where they rank overall
#1EPYC 9755100
#2Ryzen Threadripper 9980X86
#132Core i9-7960X17
#133Ryzen 5 PRO 764517
#134Core i7-13700T17
Technical Specifications

Side-by-Side Specs

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

SpecsRyzen 5 PRO 7645EPYC 9755
Cores
Total Cores6128
Threads12256
Base Clock3.8 GHz2.7 GHz
Boost Clock5.1 GHz4.1 GHz
Cache
L2 Cache6 MB128 MB
L3 Cache32 MB512 MB
Platform
SocketAM5SP5
MemoryDDR5DDR5
PCIePCIe 5.0PCIe 5.0
iGPUAMD Radeon Graphics
Power
Base TDP65W500W
General
ArchitectureRaphaelTurin
Process5 nm4 nm
Verdict

Which should you buy?

Winner overall

The EPYC 9755 wins overall for massive multi-threaded server workloads, but the Ryzen 5 PRO 7645 is the right pick for everyday desktop use.

Best value

For budget/value buyers, the Ryzen 5 PRO 7645 is the smarter pick with far lower power use and plenty of speed for typical tasks.

When the other wins

The Ryzen 5 PRO 7645 is the right choice when you need an efficient, affordable chip for a home office PC instead of a data center.

FAQ

Frequently asked questions

Is the Ryzen 5 PRO 7645 better than the EPYC 9755?

Overall the EPYC 9755 is the stronger processor: it ranks higher in our aggregate performance score (100 vs 17 out of 100), so it leads the Ryzen 5 PRO 7645 in most workloads.

How much faster is the EPYC 9755 than the Ryzen 5 PRO 7645?

Based on our aggregated benchmark scores the EPYC 9755 is roughly 488% faster than the Ryzen 5 PRO 7645 overall. The real-world gap varies by game, resolution and settings.

Which should you buy, the Ryzen 5 PRO 7645 or the EPYC 9755?

If you want the most performance, pick the EPYC 9755. If the Ryzen 5 PRO 7645 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.