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AMD Ryzen 9 6900HS vs AMD Ryzen 9 8945HX: Comparison
AMD Ryzen 9 6900HS and AMD Ryzen 9 8945HX separate most on l2 cache: AMD Ryzen 9 6900HS at 4 MB, AMD Ryzen 9 8945HX at 16 MB, 75% in favour of AMD Ryzen 9 8945HX. L3 Cache splits them by another 75%, again favouring AMD Ryzen 9 8945HX. They match on 10 other specifications, including product line, market segment and socket.
Specs
| Specification |  |  |
|---|---|---|
| Product Line | Ryzen | Ryzen |
| Form Factor | Laptops, Desktops | Laptop |
| Model Number | 6900HS | Ryzen 9 8945HX |
| Codename | Rembrandt | Dragon Range |
| Release Year | 2022 | 2025 |
| TDP | 35 W | 55 W |
| iGPU | AMD Radeon 680M (12 cores, up to 2400 MHz) | AMD Radeon 610M Graphics (RDNA 2) |
| Market Segment | Laptop | Laptop |
| Socket | BGA | BGA |
| Socket Status | End of Life | Mature |
| Process Node | 6 nm | 5 nm |
| Performance Cores | 8 | 16 |
| Efficiency Cores | 0 | 0 |
| SMT Enabled | Yes | Yes |
| P-Core Base Clock | 3.0 | 2.5 |
| P-Core Boost Clock | 4.6 | 5.4 |
| Unlocked Multiplier | No | Yes |
| L2 Cache | 4 MB-75% | 16 MB |
| L3 Cache | 16 MB-75% | 64 MB |
| Base Power | 35 W | 55 W |
| Memory Type | DDR5 | DDR5 |
| Max Memory Speed | 6400 | 5200 |
| Memory Channels | 2 | 2 |
| ECC Support | No | No |
| Integrated Graphics | Yes | Yes |
| iGPU Model | AMD Radeon 680M | AMD Radeon 610M |
| iGPU Compute Units | 12 | 2 |
| PCIe Generation | PCIe 4.0 | PCIe 5.0 |
| PCIe Lanes | 12-57% | 28 |
| Retail Availability | Soldered Only | Soldered Only |
| Cores | 8 | 16 |
| Threads | 16 | 32 |
Verdict
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.