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AMD Ryzen 5 8640U vs AMD Ryzen 5 PRO 7640U: Comparison
Ryzen 5 8640U vs Ryzen 5 PRO 7640U: the p-core base clock difference
P-core base clock is the dividing line, Ryzen 5 8640U 1.7 GHz against Ryzen 5 PRO 7640U 3.5 GHz. There is a split on tdp as well, 28 W on the Ryzen 5 8640U versus 15 W on the Ryzen 5 PRO 7640U. Socket is not the same on both, BGA on the Ryzen 5 8640U versus FP7, FP7r2 on the Ryzen 5 PRO 7640U. They differ on igpu too, AMD Radeon 740M/760M/780M Graphics on the Ryzen 5 8640U versus AMD Radeon 760M on the Ryzen 5 PRO 7640U. There is a split on memory type as well, DDR5, LPDDR5x on the Ryzen 5 8640U versus DDR5 or LPDDR5X on the Ryzen 5 PRO 7640U.
Ryzen 5 8640U vs Ryzen 5 PRO 7640U: which one fits your build
The Ryzen 5 8640U is the one to take 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 the wrong buy for heavy video rendering or 3D work, where 8-core chips finish much sooner. The Ryzen 5 PRO 7640U suits 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 7640U (7.8/10): the AMD Ryzen 5 PRO 7640U is a well-balanced ultraportable chip that prioritizes battery life and everyday responsiveness.
Where the two are identical
Where they agree, they agree completely, total cores, performance cores, efficiency cores, total threads and p-core boost clock included, so the decision does not turn on any of those. They match on 8 further specifications as well.
Frequently asked questions
Is the L3 Cache the same on the Ryzen 5 8640U and Ryzen 5 PRO 7640U?
It is. Both are listed at 16 MB, 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 7640U
- Laptop
Codename
- AMD Ryzen 5 8640U
- Hawk Point
- AMD Ryzen 5 PRO 7640U
- Phoenix
Release Year
- AMD Ryzen 5 8640U
- 2023
- AMD Ryzen 5 PRO 7640U
- 2023
TDP
- AMD Ryzen 5 8640U
- 28 W
- AMD Ryzen 5 PRO 7640U
- 15 W
iGPU
- AMD Ryzen 5 8640U
- AMD Radeon 740M/760M/780M Graphics (RDNA 3)
- AMD Ryzen 5 PRO 7640U
- AMD Radeon 760M
Market Segment
- AMD Ryzen 5 8640U
- Laptop
- AMD Ryzen 5 PRO 7640U
- Laptop
Microarchitecture
- AMD Ryzen 5 8640U
- Zen 4 (Phoenix/Hawk Point)
- AMD Ryzen 5 PRO 7640U
- Zen 4 (Phoenix/Hawk Point)
Socket
- AMD Ryzen 5 8640U
- BGA (soldered, mobile)
- AMD Ryzen 5 PRO 7640U
- FP7, FP7r2
Process Node
- AMD Ryzen 5 8640U
- 4 nm
- AMD Ryzen 5 PRO 7640U
- 4 nm
Total Cores
- AMD Ryzen 5 8640U
- 6
- AMD Ryzen 5 PRO 7640U
- 6
Performance Cores
- AMD Ryzen 5 8640U
- 6
- AMD Ryzen 5 PRO 7640U
- 6
Efficiency Cores
- AMD Ryzen 5 8640U
- 0
- AMD Ryzen 5 PRO 7640U
- 0
Total Threads
- AMD Ryzen 5 8640U
- 12
- AMD Ryzen 5 PRO 7640U
- 12
SMT Enabled
- AMD Ryzen 5 8640U
- Yes
- AMD Ryzen 5 PRO 7640U
- Yes
P-Core Base Clock
- AMD Ryzen 5 8640U
- 1.7 GHz
- AMD Ryzen 5 PRO 7640U
- 3.5 GHz
P-Core Boost Clock
- AMD Ryzen 5 8640U
- 4.9 GHz
- AMD Ryzen 5 PRO 7640U
- 4.9 GHz
L3 Cache
- AMD Ryzen 5 8640U
- 16 MB
- AMD Ryzen 5 PRO 7640U
- 16 MB
Base Power
- AMD Ryzen 5 8640U
- 28 W
- AMD Ryzen 5 PRO 7640U
- 28 W
Memory Type
- AMD Ryzen 5 8640U
- DDR5, LPDDR5x
- AMD Ryzen 5 PRO 7640U
- DDR5 or LPDDR5X
Integrated Graphics
- AMD Ryzen 5 8640U
- Yes
- AMD Ryzen 5 PRO 7640U
- Yes
Which one should you pick?
Choose 8640U if you want the higher L3 cache (16 MB vs 16 MB).
Choose 7640U 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 7640U
7.8 / 10 Expert Rating
The AMD Ryzen 5 PRO 7640U is a well-balanced ultraportable chip that prioritizes battery life and everyday responsiveness.