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AMD Ryzen 7 PRO 7840U vs AMD Ryzen 9 6900HX: Comparison
AMD Ryzen 7 PRO 7840U and AMD Ryzen 9 6900HX separate most on l2 cache: AMD Ryzen 7 PRO 7840U at 8 MB, AMD Ryzen 9 6900HX at 4 MB, 50% in favour of AMD Ryzen 7 PRO 7840U. They match on 11 other specifications, including market segment, performance cores and efficiency cores.
Specs
| Specification |  |  |
|---|---|---|
| Product Line | Ryzen 7 | Ryzen |
| Form Factor | Laptop | Laptops, Desktops |
| Model Number | 7 PRO 7840U | 6900HX |
| Codename | Phoenix | Rembrandt |
| Release Year | 2023 | 2022 |
| TDP | 28 W | 45 W |
| iGPU | AMD Radeon 740M/760M/780M Graphics (RDNA 3) | AMD Radeon 680M (12 cores, up to 2400 MHz) |
| Market Segment | Laptop | Laptop |
| Socket | BGA (soldered, mobile) | BGA |
| Socket Status | Mature | End of Life |
| Process Node | 4 nm | 6 nm |
| Performance Cores | 8 | 8 |
| Efficiency Cores | 0 | 0 |
| SMT Enabled | true | Yes |
| P-Core Base Clock | 3.3 | 3.3 |
| P-Core Boost Clock | 5.1 | 4.9 |
| L2 Cache | 8 MB | 4 MB-50% |
| L3 Cache | 16 MB | 16 MB |
| Base Power | 28 | 45 W |
| Memory Type | DDR5 or LPDDR5X | DDR5 |
| Max Memory Speed | 7500 | 6400 |
| Memory Channels | 2 | 2 |
| Integrated Graphics | Yes | Yes |
| iGPU Model | AMD Radeon 780M | AMD Radeon 680M |
| iGPU Compute Units | 12 | 12 |
| Copilot Plus Certified | false | No |
| PCIe Generation | PCIe 4.0 | PCIe 4.0 |
| Cores | 8 | 8 |
| Threads | 16 | 16 |
Verdict
AMD Ryzen 7 PRO 7840U
7.8 / 10 Expert Rating
The AMD Ryzen 7 PRO 7840U is a well-balanced ultraportable chip that prioritizes battery life and everyday responsiveness.