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AMD Ryzen 9 7940HX vs AMD Ryzen 9 8945HX: Comparison
What is the difference between Ryzen 9 7940HX and Ryzen 9 8945HX?
The first real difference is p-core boost clock: Ryzen 9 7940HX 5.2 GHz against Ryzen 9 8945HX 5.4 GHz. P-core base clock is not the same on both, 2.4 GHz on the Ryzen 9 7940HX versus 2.5 GHz on the Ryzen 9 8945HX. There is a split on release year as well, 2024 on the Ryzen 9 7940HX versus 2025 on the Ryzen 9 8945HX. They differ on igpu too, AMD Radeon 610M Graphics on the Ryzen 9 7940HX versus AMD Radeon 610M on the Ryzen 9 8945HX.
Who each one is for
The Ryzen 9 7940HX suits 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 8945HX is the one to take for 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 7940HX (8.5/10): the AMD Ryzen 9 7940HX delivers desktop-class multi-core performance in a laptop form factor, ideal for demanding gaming and creation workloads. Our rating of the Ryzen 9 8945HX (8.5/10): the AMD Ryzen 9 8945HX delivers desktop-class multi-core performance in a laptop form factor, ideal for demanding gaming and creation workloads.
What Ryzen 9 7940HX and Ryzen 9 8945HX have in common
Where they agree, they agree completely, total cores, performance cores, efficiency cores, total threads and tdp included, so the decision does not turn on any of those. They match on 9 further specifications as well.
Frequently asked questions
Is the L3 Cache the same on the Ryzen 9 7940HX and Ryzen 9 8945HX?
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 7940HX
- Laptop
- AMD Ryzen 9 8945HX
- Laptop
Codename
- AMD Ryzen 9 7940HX
- Dragon Range
- AMD Ryzen 9 8945HX
- Dragon Range
Release Year
- AMD Ryzen 9 7940HX
- 2024
- AMD Ryzen 9 8945HX
- 2025
TDP
- AMD Ryzen 9 7940HX
- 55 W
- AMD Ryzen 9 8945HX
- 55 W
iGPU
- AMD Ryzen 9 7940HX
- AMD Radeon 610M Graphics (RDNA 2)
- AMD Ryzen 9 8945HX
- AMD Radeon 610M
Market Segment
- AMD Ryzen 9 7940HX
- Laptop
- AMD Ryzen 9 8945HX
- Laptop
Microarchitecture
- AMD Ryzen 9 7940HX
- Zen 4 (Dragon Range)
- AMD Ryzen 9 8945HX
- Zen 4 (Dragon Range)
Socket
- AMD Ryzen 9 7940HX
- FL1
- AMD Ryzen 9 8945HX
- FL1
Process Node
- AMD Ryzen 9 7940HX
- 5 nm
- AMD Ryzen 9 8945HX
- 5 nm
Total Cores
- AMD Ryzen 9 7940HX
- 16
- AMD Ryzen 9 8945HX
- 16
Performance Cores
- AMD Ryzen 9 7940HX
- 16
- AMD Ryzen 9 8945HX
- 16
Efficiency Cores
- AMD Ryzen 9 7940HX
- 0
- AMD Ryzen 9 8945HX
- 0
Total Threads
- AMD Ryzen 9 7940HX
- 32
- AMD Ryzen 9 8945HX
- 32
SMT Enabled
- AMD Ryzen 9 7940HX
- Yes
- AMD Ryzen 9 8945HX
- Yes
P-Core Base Clock
- AMD Ryzen 9 7940HX
- 2.4 GHz
- AMD Ryzen 9 8945HX
- 2.5 GHz
P-Core Boost Clock
- AMD Ryzen 9 7940HX
- 5.2 GHz
- AMD Ryzen 9 8945HX
- 5.4 GHz
L3 Cache
- AMD Ryzen 9 7940HX
- 64 MB
- AMD Ryzen 9 8945HX
- 64 MB
Base Power
- AMD Ryzen 9 7940HX
- 55 W
- AMD Ryzen 9 8945HX
- 55 W
Memory Type
- AMD Ryzen 9 7940HX
- DDR5
- AMD Ryzen 9 8945HX
- DDR5
Integrated Graphics
- AMD Ryzen 9 7940HX
- Yes
- AMD Ryzen 9 8945HX
- Yes
Which one should you pick?
Choose 7940HX if you want the higher L3 cache (64 MB vs 64 MB).
Choose 8945HX if you already have it on hand or find it at a lower price.
Verdict
AMD Ryzen 9 7940HX
8.5 / 10 Expert Rating
The AMD Ryzen 9 7940HX delivers desktop-class multi-core performance in a laptop form factor, ideal for demanding gaming and creation workloads.
AMD Ryzen 9 8945HX
8.5 / 10 Expert Rating
The AMD Ryzen 9 8945HX delivers desktop-class multi-core performance in a laptop form factor, ideal for demanding gaming and creation workloads.