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AMD Ryzen 9 7945HX vs AMD Ryzen 9 8940HX: Comparison
What is the difference between Ryzen 9 7945HX and Ryzen 9 8940HX?
They are built to different briefs, and p-core boost clock shows it, Ryzen 9 7945HX 5.4 GHz against Ryzen 9 8940HX 5.2 GHz. They differ on p-core base clock too, 2.5 GHz on the Ryzen 9 7945HX versus 2.9 GHz on the Ryzen 9 8940HX. Socket is not the same on both, FL1 on the Ryzen 9 7945HX versus BGA on the Ryzen 9 8940HX. There is a split on release year as well, 2023 on the Ryzen 9 7945HX versus 2025 on the Ryzen 9 8940HX.
Ryzen 9 7945HX vs Ryzen 9 8940HX: which one fits your build
Buy the Ryzen 9 7945HX for gaming laptops and mobile content creation, though it is not the pick for thin-and-light ultraportables and all-day battery life needs. The Ryzen 9 8940HX suits gaming laptops and mobile content creation, though it is not built for thin-and-light ultraportables and all-day battery life needs. Our rating of the Ryzen 9 7945HX (8.5/10): the AMD Ryzen 9 7945HX delivers desktop-class multi-core performance in a laptop form factor, ideal for demanding gaming and creation workloads. Our rating of the Ryzen 9 8940HX (8.5/10): the AMD Ryzen 9 8940HX delivers desktop-class multi-core performance in a laptop form factor, ideal for demanding gaming and creation workloads.
What Ryzen 9 7945HX and Ryzen 9 8940HX have in common
The common ground is wider than the gap: total cores, performance cores, efficiency cores, total threads and tdp are identical here. They match on 9 further specifications as well.
Frequently asked questions
Is the L3 Cache the same on the Ryzen 9 7945HX and Ryzen 9 8940HX?
It is. Both are listed at 64 MB, so it is not a reason to pick one over the other.
Specs and benchmarks
Form Factor
- AMD Ryzen 9 7945HX
- Laptop
- AMD Ryzen 9 8940HX
- Laptop
Codename
- AMD Ryzen 9 7945HX
- Dragon Range
- AMD Ryzen 9 8940HX
- Dragon Range
Release Year
- AMD Ryzen 9 7945HX
- 2023
- AMD Ryzen 9 8940HX
- 2025
TDP
- AMD Ryzen 9 7945HX
- 55 W
- AMD Ryzen 9 8940HX
- 55 W
iGPU
- AMD Ryzen 9 7945HX
- AMD Radeon 610M Graphics (RDNA 2)
- AMD Ryzen 9 8940HX
- AMD Radeon 610M Graphics (RDNA 2)
Market Segment
- AMD Ryzen 9 7945HX
- Laptop
- AMD Ryzen 9 8940HX
- Laptop
Microarchitecture
- AMD Ryzen 9 7945HX
- Zen 4 (Dragon Range)
- AMD Ryzen 9 8940HX
- Zen 4 (Dragon Range)
Socket
- AMD Ryzen 9 7945HX
- FL1
- AMD Ryzen 9 8940HX
- BGA (soldered, mobile)
Process Node
- AMD Ryzen 9 7945HX
- 5 nm
- AMD Ryzen 9 8940HX
- 5 nm
Total Cores
- AMD Ryzen 9 7945HX
- 16
- AMD Ryzen 9 8940HX
- 16
Performance Cores
- AMD Ryzen 9 7945HX
- 16
- AMD Ryzen 9 8940HX
- 16
Efficiency Cores
- AMD Ryzen 9 7945HX
- 0
- AMD Ryzen 9 8940HX
- 0
Total Threads
- AMD Ryzen 9 7945HX
- 32
- AMD Ryzen 9 8940HX
- 32
SMT Enabled
- AMD Ryzen 9 7945HX
- Yes
- AMD Ryzen 9 8940HX
- Yes
P-Core Base Clock
- AMD Ryzen 9 7945HX
- 2.5 GHz
- AMD Ryzen 9 8940HX
- 2.9 GHz
P-Core Boost Clock
- AMD Ryzen 9 7945HX
- 5.4 GHz
- AMD Ryzen 9 8940HX
- 5.2 GHz
L3 Cache
- AMD Ryzen 9 7945HX
- 64 MB
- AMD Ryzen 9 8940HX
- 64 MB
Base Power
- AMD Ryzen 9 7945HX
- 55 W
- AMD Ryzen 9 8940HX
- 55 W
Memory Type
- AMD Ryzen 9 7945HX
- DDR5
- AMD Ryzen 9 8940HX
- DDR5
Integrated Graphics
- AMD Ryzen 9 7945HX
- Yes
- AMD Ryzen 9 8940HX
- Yes
Which one should you pick?
Choose 7945HX if you want the higher L3 cache (64 MB vs 64 MB).
Choose 8940HX if you already have it on hand or find it at a lower price.
Verdict
AMD Ryzen 9 7945HX
8.5 / 10 Expert Rating
The AMD Ryzen 9 7945HX delivers desktop-class multi-core performance in a laptop form factor, ideal for demanding gaming and creation workloads.
AMD Ryzen 9 8940HX
8.5 / 10 Expert Rating
The AMD Ryzen 9 8940HX delivers desktop-class multi-core performance in a laptop form factor, ideal for demanding gaming and creation workloads.