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AMD Ryzen 9 PRO 7945 vs AMD Ryzen PRO 9 9955: Comparison
What is the difference between Ryzen 9 PRO 7945 and Ryzen PRO 9 9955?
There is no decisive spec gap here. Total cores splits them by a margin most buyers will never feel, Ryzen 9 PRO 7945 12 against Ryzen PRO 9 9955 16. Total threads is closer, 24 on the Ryzen 9 PRO 7945 versus 32 on the Ryzen PRO 9 9955. There is a split on p-core boost clock as well, 5.4 GHz on the Ryzen 9 PRO 7945 versus 4.9 GHz on the Ryzen PRO 9 9955. P-core base clock is not the same on both, 3.7 GHz on the Ryzen 9 PRO 7945 versus 3.8 GHz on the Ryzen PRO 9 9955. There is a split on release year as well, 2023 on the Ryzen 9 PRO 7945 versus 2024 on the Ryzen PRO 9 9955. Microarchitecture is not the same on both, Zen 4 on the Ryzen 9 PRO 7945 versus Zen 5 on the Ryzen PRO 9 9955.
Which should you buy, Ryzen 9 PRO 7945 or Ryzen PRO 9 9955?
Buy the Ryzen 9 PRO 7945 for mainstream desktops and everyday productivity, though it is not built for competitive gaming rigs and heavy content creation. The Ryzen PRO 9 9955 is the one to take for mainstream desktops and everyday productivity, though it is not the pick for competitive gaming rigs and heavy content creation. Our rating of the Ryzen 9 PRO 7945 (7.9/10): the AMD Ryzen PRO 9 7945 is a well-rounded mainstream desktop chip that covers everyday computing and light gaming without a premium price tag. Our rating of the Ryzen PRO 9 9955 (7.9/10): the AMD Ryzen PRO 9 9955 is a well-rounded mainstream desktop chip that covers everyday computing and light gaming without a premium price tag.
Where the two are identical
The common ground is wider than the gap: tdp, l3 cache and form factor are identical here.
Specs and benchmarks
Form Factor
- AMD Ryzen 9 PRO 7945
- Desktop
- AMD Ryzen PRO 9 9955
- Desktop
Release Year
- AMD Ryzen 9 PRO 7945
- 2023
- AMD Ryzen PRO 9 9955
- 2024
TDP
- AMD Ryzen 9 PRO 7945
- 65 W
- AMD Ryzen PRO 9 9955
- 65 W
iGPU
- AMD Ryzen 9 PRO 7945
- AMD Radeon Graphics
- AMD Ryzen PRO 9 9955
- AMD Radeon Graphics (2 CUs, RDNA 2)
Microarchitecture
- AMD Ryzen 9 PRO 7945
- Zen 4 (7000 series)
- AMD Ryzen PRO 9 9955
- Zen 5 (9000 series)
Socket
- AMD Ryzen 9 PRO 7945
- AM5
- AMD Ryzen PRO 9 9955
- AM5 (LGA 1718)
Total Cores
- AMD Ryzen 9 PRO 7945
- 12
- AMD Ryzen PRO 9 9955
- 16Best
Total Threads
- AMD Ryzen 9 PRO 7945
- 24
- AMD Ryzen PRO 9 9955
- 32Best
P-Core Base Clock
- AMD Ryzen 9 PRO 7945
- 3.7 GHz
- AMD Ryzen PRO 9 9955
- 3.8 GHz
P-Core Boost Clock
- AMD Ryzen 9 PRO 7945
- 5.4 GHz
- AMD Ryzen PRO 9 9955
- 4.9 GHz
L3 Cache
- AMD Ryzen 9 PRO 7945
- 64 MB
- AMD Ryzen PRO 9 9955
- 64 MB
Which one should you pick?
Choose 7945 if you want the higher L3 cache (64 MB vs 64 MB).
Choose 9955 if you already have it on hand or find it at a lower price.
Verdict
AMD Ryzen 9 PRO 7945
7.9 / 10 Expert Rating
The AMD Ryzen PRO 9 7945 is a well-rounded mainstream desktop chip that covers everyday computing and light gaming without a premium price tag.
AMD Ryzen PRO 9 9955
7.9 / 10 Expert Rating
The AMD Ryzen PRO 9 9955 is a well-rounded mainstream desktop chip that covers everyday computing and light gaming without a premium price tag.