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AMD Ryzen 7 7840H vs AMD Ryzen 7 8840U: Comparison
AMD Ryzen 7 7840H and AMD Ryzen 7 8840U differ on performance cores: AMD Ryzen 7 7840H at 8, AMD Ryzen 7 8840U at 4, which puts AMD Ryzen 7 7840H ahead on that measure. They match on 15 other specifications, including form factor, market segment and process node.
Specs
| Specification |  | |
|---|---|---|
| Product Line | Ryzen 7 | Ryzen |
| Form Factor | Laptop | Laptop |
| Model Number | 7840H | 7 8840U |
| Codename | Phoenix | Hawk Point |
| Release Year | 2023 | 2024 |
| TDP | 45 W | 15 W |
| iGPU | AMD Radeon 660M Graphics (RDNA 2) | AMD Radeon 740M/760M/780M Graphics (RDNA 3) |
| Market Segment | Laptop | Laptop |
| Socket | BGA | BGA (soldered, mobile) |
| Process Node | 4 nm | 4 nm |
| Performance Cores | 8 | 4 |
| Efficiency Cores | 0 | 4 |
| SMT Enabled | true | true |
| P-Core Base Clock | 3.1 | 1.7 |
| P-Core Boost Clock | 5.0 | 4.9 |
| L2 Cache | 8 MB | 8 MB |
| L3 Cache | 16 MB | 16 MB |
| Base Power | 45 W | 15 W |
| Max Turbo Power | 54 | 30 |
| Configurable TDP Floor | 35 | 15 |
| Memory Type | DDR5 or LPDDR5X | DDR5 or LPDDR5X |
| Max Memory Speed | 7500 | 5600 |
| Memory Channels | 2 | 2 |
| Integrated Graphics | Yes | Yes |
| iGPU Model | AMD Radeon 780M | AMD Radeon 780M |
| iGPU Compute Units | 12 | 12 |
| Copilot Plus Certified | false | false |
| PCIe Generation | PCIe 4.0 | PCIe 4.0 |
| Cores | 8 | 8 |
| Threads | 16 | 16 |
| Architecture | Zen 4 (Phoenix/Rembrandt refresh) | Zen 4 (Phoenix/Hawk Point) |
Verdict
AMD Ryzen 7 7840H
8.1 / 10 Expert Rating
The AMD Ryzen 7 7840H strikes a strong balance between performance and portability for mainstream laptops.
AMD Ryzen 7 8840U
7.8 / 10 Expert Rating
The AMD Ryzen 7 8840U is a well-balanced ultraportable chip that prioritizes battery life and everyday responsiveness.