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AMD Ryzen 9 7940H vs AMD Ryzen 9 9955HX3D: Comparison
AMD Ryzen 9 7940H and AMD Ryzen 9 9955HX3D separate most on l3 cache: AMD Ryzen 9 7940H at 16 MB, AMD Ryzen 9 9955HX3D at 64 MB, 75% in favour of AMD Ryzen 9 9955HX3D. They match on form factor and socket.
Specs
| Specification |  | |
|---|---|---|
| Form Factor | Laptop | Laptop |
| Release Year | 2023 | 2025 |
| TDP | 45 W | 55 W |
| iGPU | AMD Radeon 660M Graphics (RDNA 2) | AMD Radeon 610M Graphics (RDNA 2) |
| Socket | BGA (soldered, mobile) | BGA (soldered, mobile) |
| L3 Cache | 16 MB-75% | 64 MB |
| Cores | 8 | 16 |
| Threads | 16 | 32 |
| Base Clock | 3.1 GHz | 2.5 GHz |
| Boost Clock | 5.0 GHz | 5.4 GHz |
| Architecture | Zen 4 (Phoenix/Rembrandt refresh) | Zen 4 (7040/9955 Dragon Range) |
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 9955HX3D
9.1 / 10 Expert Rating
The AMD Ryzen 9 9955HX3D is the pinnacle of mobile gaming performance, bringing 3D V-Cache and desktop-class core counts to a laptop chassis.