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AMD Ryzen 5 8640U vs AMD Ryzen 5 PRO 7545U: Comparison
What is the difference between Ryzen 5 8640U and Ryzen 5 PRO 7545U?
There is no decisive spec gap here. Performance cores splits them by a margin most buyers will never feel, Ryzen 5 8640U 6 against Ryzen 5 PRO 7545U 2. They differ on memory type too, DDR5, LPDDR5x on the Ryzen 5 8640U versus DDR5 or LPDDR5X on the Ryzen 5 PRO 7545U.
Ryzen 5 8640U vs Ryzen 5 PRO 7545U: which one fits your build
Buy the Ryzen 5 8640U for midrange thin-and-light laptops and office work, browsing and video calls, though it is the wrong buy for modern games at high settings without a dedicated GPU and copilot+ PC AI features, which need a 40+ TOPS NPU. It is not the one for heavy video rendering or 3D work, where 8-core chips finish much sooner. The Ryzen 5 PRO 7545U is the one to take for ultraportable laptops and business travel, though it is not built for gaming laptops and heavy content creation. Our rating of the Ryzen 5 8640U (7.8/10): the AMD Ryzen 5 8640U is a well-balanced ultraportable chip that prioritizes battery life and everyday responsiveness. Our rating of the Ryzen 5 PRO 7545U (7.8/10): the AMD Ryzen 5 PRO 7545U is a well-balanced ultraportable chip that prioritizes battery life and everyday responsiveness.
Where the two are identical
Everything else lines up. Total cores, total threads, p-core boost clock, tdp and l3 cache read the same on both, so those are not worth weighing. They match on 6 further specifications as well.
Frequently asked questions
Do the Ryzen 5 8640U and Ryzen 5 PRO 7545U differ on efficiency cores?
Yes. Efficiency Cores reads 0 on the Ryzen 5 8640U versus 4 on the Ryzen 5 PRO 7545U.
Is the Integrated Graphics the same on the Ryzen 5 8640U and Ryzen 5 PRO 7545U?
It is. Both are listed at Yes, so it is not a reason to pick one over the other.
Specs and benchmarks
Form Factor
- AMD Ryzen 5 8640U
- Laptop
- AMD Ryzen 5 PRO 7545U
- Laptop
Codename
- AMD Ryzen 5 8640U
- Hawk Point
- AMD Ryzen 5 PRO 7545U
- Phoenix2
Release Year
- AMD Ryzen 5 8640U
- 2023
- AMD Ryzen 5 PRO 7545U
- 2023
TDP
- AMD Ryzen 5 8640U
- 28 W
- AMD Ryzen 5 PRO 7545U
- 28 W
iGPU
- AMD Ryzen 5 8640U
- AMD Radeon 740M/760M/780M Graphics (RDNA 3)
- AMD Ryzen 5 PRO 7545U
- AMD Radeon 740M
Market Segment
- AMD Ryzen 5 8640U
- Laptop
- AMD Ryzen 5 PRO 7545U
- Laptop
Microarchitecture
- AMD Ryzen 5 8640U
- Zen 4 (Phoenix/Hawk Point)
- AMD Ryzen 5 PRO 7545U
- Zen 4 / Zen 4c hybrid (Phoenix2)
Socket
- AMD Ryzen 5 8640U
- BGA (soldered, mobile)
- AMD Ryzen 5 PRO 7545U
- FP7, FP7r2
Process Node
- AMD Ryzen 5 8640U
- 4 nm
- AMD Ryzen 5 PRO 7545U
- 4 nm
Total Cores
- AMD Ryzen 5 8640U
- 6
- AMD Ryzen 5 PRO 7545U
- 6
Performance Cores
- AMD Ryzen 5 8640U
- 6Best
- AMD Ryzen 5 PRO 7545U
- 2
Efficiency Cores
- AMD Ryzen 5 8640U
- 0
- AMD Ryzen 5 PRO 7545U
- 4Best
Total Threads
- AMD Ryzen 5 8640U
- 12
- AMD Ryzen 5 PRO 7545U
- 12
SMT Enabled
- AMD Ryzen 5 8640U
- Yes
- AMD Ryzen 5 PRO 7545U
- Yes
P-Core Base Clock
- AMD Ryzen 5 8640U
- 1.7 GHz
- AMD Ryzen 5 PRO 7545U
- 3.2 GHz
P-Core Boost Clock
- AMD Ryzen 5 8640U
- 4.9 GHz
- AMD Ryzen 5 PRO 7545U
- 4.9 GHz
L3 Cache
- AMD Ryzen 5 8640U
- 16 MB
- AMD Ryzen 5 PRO 7545U
- 16 MB
Base Power
- AMD Ryzen 5 8640U
- 28 W
- AMD Ryzen 5 PRO 7545U
- 28 W
Memory Type
- AMD Ryzen 5 8640U
- DDR5, LPDDR5x
- AMD Ryzen 5 PRO 7545U
- DDR5 or LPDDR5X
Integrated Graphics
- AMD Ryzen 5 8640U
- Yes
- AMD Ryzen 5 PRO 7545U
- Yes
Which one should you pick?
Choose 8640U if you want the higher L3 cache (16 MB vs 16 MB).
Choose 7545U if you already have it on hand or find it at a lower price.
Verdict
AMD Ryzen 5 8640U
7.8 / 10 Expert Rating
The AMD Ryzen 5 8640U is a well-balanced ultraportable chip that prioritizes battery life and everyday responsiveness.
AMD Ryzen 5 PRO 7545U
7.8 / 10 Expert Rating
The AMD Ryzen 5 PRO 7545U is a well-balanced ultraportable chip that prioritizes battery life and everyday responsiveness.