AMD Ryzen 7 5800U vs AMD Ryzen 9 9955HX
46.5Single-core74.2
37.1Multi-core82
81.9Efficiencyspec-based42.2
49.7iGPU32.6
49.3Platformspec-based84.3
2 spec wins — AMD Ryzen 7 5800U14 spec wins — AMD Ryzen 9 9955HX
InnoReviews verdict
AMD Ryzen 9 9955HX wins this laptop processor face-off, 69.5 to 49.3, pulling ahead mainly in multi-core (+45) and single-core (+28). AMD Ryzen 7 5800U 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 5800U
- Stronger iGPU score: 50 vs 33
- 116% higher 3DMark Time Spy Graphics (iGPU): 1,142 vs 528
- 73% lower Base TDP: 15 W vs 55 W
Reasons to pick the AMD Ryzen 9 9955HX
- Stronger single-core score: 74 vs 47
- Stronger multi-core score: 82 vs 37
- 324% higher Cinebench R23 (multi): 37,500 vs 8,851
- 300% higher L3 cache: 64 MB vs 16 MB
- 213% higher PassMark: 56,261 vs 17,953
General
| Spec | AMD Ryzen 7 5800U | AMD Ryzen 9 9955HX |
|---|---|---|
| Announced | 2021 | 2025 |
| Process | 7 nm | 4 nm+43% |
| Base TDP | 15 W+73% | 55 W |
| Max TDP | 25 W | 75 W+200% |
Cores & Clocks
| Spec | AMD Ryzen 7 5800U | AMD Ryzen 9 9955HX |
|---|---|---|
| Cores | 8 | 16+100% |
| Performance cores | 8 | 16+100% |
| Threads | 16 | 32+100% |
| Base clock | 1.9 GHz | 2.5 GHz+32% |
| Boost clock | 4.4 GHz | 5.4 GHz+23% |
| L3 cache | 16 MB | 64 MB+300% |
Integrated GPU
| Spec | AMD Ryzen 7 5800U | AMD Ryzen 9 9955HX |
|---|---|---|
| iGPU | AMD Radeon Vega 8 | AMD Radeon 610M |
| iGPU clock | 2,000 MHz | 2,200 MHz |
Memory
| Spec | AMD Ryzen 7 5800U | AMD Ryzen 9 9955HX |
|---|---|---|
| Memory support | DDR4-3200 / LPDDR4-4266 | DDR5-5600 |
| Max memory | — | 256 GB |
Benchmarks
| Spec | AMD Ryzen 7 5800U | AMD Ryzen 9 9955HX |
|---|---|---|
| Geekbench 6 (single) | 1,865Bottom 17% | 3,080+65%Top 17% |
| Geekbench 6 (multi) | 7,934Bottom 24% | 19,500+146%Top 12% |
| Cinebench R23 (single) | 1,425Bottom 23% | 2,150+51%Top 12% |
| Cinebench R23 (multi) | 8,851Bottom 32% | 37,500+324%Top 3% |
| PassMark | 17,953Bottom 44% | 56,261+213%Top 5% |
| 3DMark Time Spy Graphics (iGPU) | 1,142+116%Bottom 42% | 528Bottom 20% |
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