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AMD Ryzen 9 7940H vs AMD Ryzen 9 8945HS: Comparison
What is the difference between Ryzen 9 7940H and Ryzen 9 8945HS?
The first real difference is p-core base clock: Ryzen 9 7940H 4.0 GHz against Ryzen 9 8945HS 4 GHz. There is a split on socket as well, BGA on the Ryzen 9 7940H versus FP7, FP7r2, FP8 on the Ryzen 9 8945HS. Release year is not the same on both, 2023 on the Ryzen 9 7940H versus 2024 on the Ryzen 9 8945HS. They differ on memory type too, DDR5 on the Ryzen 9 7940H versus DDR5 or LPDDR5X on the Ryzen 9 8945HS.
Which should you buy, Ryzen 9 7940H or Ryzen 9 8945HS?
The Ryzen 9 7940H suits mainstream laptops and multitasking and productivity, though it is not built for high-end gaming and extreme battery-life-first designs. Buy the Ryzen 9 8945HS for mainstream laptops and multitasking and productivity, though it is not the pick for high-end gaming and extreme battery-life-first designs. Our rating of the Ryzen 9 7940H (8.1/10): the AMD Ryzen 9 7940H strikes a strong balance between performance and portability for mainstream laptops. Our rating of the Ryzen 9 8945HS (8.1/10): the AMD Ryzen 9 8945HS strikes a strong balance between performance and portability for mainstream laptops.
Where the two are identical
The common ground is wider than the gap: total cores, performance cores, efficiency cores, total threads and p-core boost clock are identical here. They match on 7 further specifications as well.
Frequently asked questions
Is the TDP the same on the Ryzen 9 7940H and Ryzen 9 8945HS?
It is. Both are listed at 45 W, so it is not a reason to pick one over the other.
Specs and benchmarks
Form Factor
- AMD Ryzen 9 7940H
- Laptop
- AMD Ryzen 9 8945HS
- Laptop
Codename
- AMD Ryzen 9 7940H
- Phoenix
- AMD Ryzen 9 8945HS
- Hawk Point
Release Year
- AMD Ryzen 9 7940H
- 2023
- AMD Ryzen 9 8945HS
- 2024
TDP
- AMD Ryzen 9 7940H
- 45 W
- AMD Ryzen 9 8945HS
- 45 W
iGPU
- AMD Ryzen 9 7940H
- AMD Radeon 780M
- AMD Ryzen 9 8945HS
- AMD Radeon 780M
Market Segment
- AMD Ryzen 9 7940H
- Laptop
- AMD Ryzen 9 8945HS
- Laptop
Microarchitecture
- AMD Ryzen 9 7940H
- Zen 4 (Phoenix)
- AMD Ryzen 9 8945HS
- Zen 4 (Phoenix/Hawk Point)
Socket
- AMD Ryzen 9 7940H
- BGA (soldered, mobile)
- AMD Ryzen 9 8945HS
- FP7, FP7r2, FP8
Process Node
- AMD Ryzen 9 7940H
- 4 nm
- AMD Ryzen 9 8945HS
- 4 nm
Total Cores
- AMD Ryzen 9 7940H
- 8
- AMD Ryzen 9 8945HS
- 8
Performance Cores
- AMD Ryzen 9 7940H
- 8
- AMD Ryzen 9 8945HS
- 8
Efficiency Cores
- AMD Ryzen 9 7940H
- 0
- AMD Ryzen 9 8945HS
- 0
Total Threads
- AMD Ryzen 9 7940H
- 16
- AMD Ryzen 9 8945HS
- 16
SMT Enabled
- AMD Ryzen 9 7940H
- Yes
- AMD Ryzen 9 8945HS
- Yes
P-Core Base Clock
- AMD Ryzen 9 7940H
- 4.0 GHz
- AMD Ryzen 9 8945HS
- 4 GHz
P-Core Boost Clock
- AMD Ryzen 9 7940H
- 5.2 GHz
- AMD Ryzen 9 8945HS
- 5.2 GHz
L3 Cache
- AMD Ryzen 9 7940H
- 16 MB
- AMD Ryzen 9 8945HS
- 16 MB
Memory Type
- AMD Ryzen 9 7940H
- DDR5
- AMD Ryzen 9 8945HS
- DDR5 or LPDDR5X
Integrated Graphics
- AMD Ryzen 9 7940H
- Yes
- AMD Ryzen 9 8945HS
- Yes
Which one should you pick?
Choose 7940H if you want the higher L3 cache (16 MB vs 16 MB).
Choose 8945HS if you already have it on hand or find it at a lower price.
Verdict
AMD Ryzen 9 7940H
8.1 / 10 Expert Rating
The AMD Ryzen 9 7940H strikes a strong balance between performance and portability for mainstream laptops.
AMD Ryzen 9 8945HS
8.1 / 10 Expert Rating
The AMD Ryzen 9 8945HS strikes a strong balance between performance and portability for mainstream laptops.