AMD Ryzen 7 5800H vs AMD Ryzen 9 9955HX
27.5Single-core70.9
28.3Multi-core81.4
47.1Efficiency42.2
64iGPU72
52.9Platform84.3
2 spec wins — AMD Ryzen 7 5800H15 spec wins — AMD Ryzen 9 9955HX
InnoReviews verdict
AMD Ryzen 9 9955HX wins this laptop processor face-off, 72.4 to 38.2, pulling ahead mainly in Multi-core (+53) and Single-core (+43). AMD Ryzen 7 5800H still makes sense if its price or standout specs fit your needs better.
Which would you pick?
Key differences
Reasons to pick the AMD Ryzen 7 5800H
- Stronger efficiency score: 47 vs 42
- 28% higher Base clock: 3.2 GHz vs 2.5 GHz
- 18% lower Base TDP: 45 W vs 55 W
Reasons to pick the AMD Ryzen 9 9955HX
- Stronger Single-core score: 71 vs 28
- Stronger Multi-core score: 81 vs 28
- Stronger iGPU score: 72 vs 64
- Stronger platform score: 84 vs 53
- 300% higher L3 cache: 64 MB vs 16 MB
General
| Spec | AMD Ryzen 7 5800H | AMD Ryzen 9 9955HX |
|---|---|---|
| Announced | 2021 | 2025 |
| Process | 7 nm | 4 nm+43% |
| Base TDP | 45 W+18% | 55 W |
| Max TDP | 54 W | 75 W+39% |
Cores & Clocks
| Spec | AMD Ryzen 7 5800H | AMD Ryzen 9 9955HX |
|---|---|---|
| Cores | 8 | 16+100% |
| Performance cores | 8 | 16+100% |
| Threads | 16 | 32+100% |
| Base clock | 3.2 GHz+28% | 2.5 GHz |
| Boost clock | 4.4 GHz | 5.4 GHz+23% |
| L3 cache | 16 MB | 64 MB+300% |
Integrated GPU
| Spec | AMD Ryzen 7 5800H | AMD Ryzen 9 9955HX |
|---|---|---|
| iGPU | AMD Radeon Vega 8 | AMD Radeon 610M |
| iGPU clock | 2,000 MHz | 2,200 MHz+10% |
Memory
| Spec | AMD Ryzen 7 5800H | AMD Ryzen 9 9955HX |
|---|---|---|
| Memory support | DDR4-3200 / LPDDR4X-4266 | DDR5-5600 |
| Max memory | 64 GB | 256 GB+300% |
Benchmarks
| Spec | AMD Ryzen 7 5800H | AMD Ryzen 9 9955HX |
|---|---|---|
| Geekbench 6 (single) | 1,950 | 3,080+58% |
| Geekbench 6 (multi) | 9,300 | 19,500+110% |
| Cinebench R23 (single) | 1,450 | 2,150+48% |
| Cinebench R23 (multi) | 12,600 | 37,500+198% |
| PassMark | 21,400 | 62,000+190% |
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