Consumercarts is reader-supported. Learn more
AMD Ryzen 7 8840HX vs AMD Ryzen 7 PRO 7840U: Comparison
AMD Ryzen 7 8840HX and AMD Ryzen 7 PRO 7840U separate most on l2 cache: AMD Ryzen 7 8840HX at 4 MB, AMD Ryzen 7 PRO 7840U at 8 MB, 50% in favour of AMD Ryzen 7 PRO 7840U. They match on 13 other specifications, including form factor, market segment and socket.
Specs
| Specification |  |  |
|---|---|---|
| Product Line | Ryzen | Ryzen 7 |
| Form Factor | Laptop | Laptop |
| Model Number | 7 8840HX | 7 PRO 7840U |
| Codename | Dragon Range | Phoenix |
| Release Year | 2025 | 2023 |
| TDP | 55 W | 28 W |
| iGPU | AMD Radeon 610M Graphics (RDNA 2) | AMD Radeon 740M/760M/780M Graphics (RDNA 3) |
| Market Segment | Laptop | Laptop |
| Socket | BGA (soldered, mobile) | BGA (soldered, mobile) |
| Socket Status | Mature | Mature |
| Process Node | 5 nm | 4 nm |
| Performance Cores | 8 | 8 |
| Efficiency Cores | 0 | 0 |
| SMT Enabled | true | true |
| P-Core Base Clock | 2.9 | 3.3 |
| P-Core Boost Clock | 5.2 | 5.1 |
| L2 Cache | 4 MB-50% | 8 MB |
| L3 Cache | 16 MB | 16 MB |
| Base Power | 55 W | 28 |
| Max Turbo Power | 75 | 30 |
| Memory Type | DDR5 | DDR5 or LPDDR5X |
| Max Memory Speed | 5600 | 7500 |
| Memory Channels | 2 | 2 |
| Integrated Graphics | Yes | Yes |
| iGPU Model | AMD Radeon 610M | AMD Radeon 780M |
| iGPU Compute Units | 2 | 12 |
| PCIe Generation | PCIe 4.0 | PCIe 4.0 |
| Cores | 8 | 8 |
| Threads | 16 | 16 |
| Architecture | Zen 4 (Dragon Range) | Zen 4 (Phoenix/Hawk Point) |
Verdict
AMD Ryzen 7 8840HX
8.5 / 10 Expert Rating
The AMD Ryzen 7 8840HX delivers desktop-class multi-core performance in a laptop form factor, ideal for demanding gaming and creation workloads.
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.