CPU Showdown

Ryzen 9 PRO 7945vsEPYC 9755

The AMD EPYC 9755 is a 128-core server chip built for massive data center workloads, while the Ryzen 9 PRO 7945 is a 12-core workstation processor aimed at professionals needing single-threaded speed.

AMD Ryzen 9 PRO 7945
12C / 24T · 65W
VS
AMD EPYC 9755
128C / 256T · 500W
AMD

Ryzen 9 PRO 7945

Raphael · 5 nm · 2023

28score
4.5/ 5
0 votes
Cores / Threads
12 / 24
TDP
65W
Boost Clock
5.4 GHz
L3 Cache
64 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 9 PRO 7945
28
EPYC 9755Winner
100
EPYC 9755 leads by 257.1% in aggregate performance.
Where they rank overall
#1EPYC 9755100
#2Ryzen Threadripper 9980X86
#38Core Ultra 5 250KF Plus28
#39Ryzen 9 PRO 794528
#40Core i9-14900F28
Technical Specifications

Side-by-Side Specs

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

SpecsRyzen 9 PRO 7945EPYC 9755
Cores
Total Cores12128
Threads24256
Base Clock3.7 GHz2.7 GHz
Boost Clock5.4 GHz4.1 GHz
Cache
L2 Cache12 MB128 MB
L3 Cache64 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 dominates heavy server workloads, but the Ryzen 9 PRO 7945 is the clear winner for everyday desktop use.

Best value

For budget-minded buyers, the Ryzen 9 PRO 7945 offers better value with its lower power draw and ample speed for typical tasks.

When the other wins

The EPYC 9755 is the right choice if you need massive parallel processing for a data center, not a single-user PC.

FAQ

Frequently asked questions

Is the Ryzen 9 PRO 7945 better than the EPYC 9755?

Overall the EPYC 9755 is the stronger processor: it ranks higher in our aggregate performance score (100 vs 28 out of 100), so it leads the Ryzen 9 PRO 7945 in most workloads.

How much faster is the EPYC 9755 than the Ryzen 9 PRO 7945?

Based on our aggregated benchmark scores the EPYC 9755 is roughly 257% faster than the Ryzen 9 PRO 7945 overall. The real-world gap varies by game, resolution and settings.

Which should you buy, the Ryzen 9 PRO 7945 or the EPYC 9755?

If you want the most performance, pick the EPYC 9755. If the Ryzen 9 PRO 7945 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.