AMD Ryzen 9 9955HX vs Intel Core Ultra 7 155H
70.9Single-core42.4
81.4Multi-core37.3
42.2Efficiency66.9
72iGPU74
84.3Platform63.1
13 spec wins — AMD Ryzen 9 9955HX3 spec wins — Intel Core Ultra 7 155H
InnoReviews verdict
AMD Ryzen 9 9955HX wins this laptop processor face-off, 72.4 to 50.5, pulling ahead mainly in Multi-core (+44) and Single-core (+29). Intel Core Ultra 7 155H 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 9 9955HX
- Stronger Single-core score: 71 vs 42
- Stronger Multi-core score: 81 vs 37
- Stronger platform score: 84 vs 63
- 167% higher Performance cores: 16 vs 6
- 167% higher L3 cache: 64 MB vs 24 MB
Reasons to pick the Intel Core Ultra 7 155H
- Stronger efficiency score: 67 vs 42
- 53% higher Max TDP: 115 W vs 75 W
- 49% lower Base TDP: 28 W vs 55 W
General
| Spec | AMD Ryzen 9 9955HX | Intel Core Ultra 7 155H |
|---|---|---|
| Announced | 2025 | 2023 |
| Process | 4 nm+43% | 7 nm |
| Base TDP | 55 W | 28 W+49% |
| Max TDP | 75 W | 115 W+53% |
Cores & Clocks
| Spec | AMD Ryzen 9 9955HX | Intel Core Ultra 7 155H |
|---|---|---|
| Cores | 16 | 16 |
| Performance cores | 16+167% | 6 |
| Efficiency cores | — | 10 |
| Threads | 32+45% | 22 |
| Base clock | 2.5 GHz+79% | 1.4 GHz |
| Boost clock | 5.4 GHz+13% | 4.8 GHz |
| L3 cache | 64 MB+167% | 24 MB |
Integrated GPU
| Spec | AMD Ryzen 9 9955HX | Intel Core Ultra 7 155H |
|---|---|---|
| iGPU | AMD Radeon 610M | Intel Arc Graphics (8 Xe) |
| iGPU clock | 2,200 MHz | 2,250 MHz+2% |
Memory
| Spec | AMD Ryzen 9 9955HX | Intel Core Ultra 7 155H |
|---|---|---|
| Memory support | DDR5-5600 | LPDDR5X-7467 / DDR5-5600 |
| Max memory | 256 GB+167% | 96 GB |
Benchmarks
| Spec | AMD Ryzen 9 9955HX | Intel Core Ultra 7 155H |
|---|---|---|
| Geekbench 6 (single) | 3,080+33% | 2,320 |
| Geekbench 6 (multi) | 19,500+61% | 12,100 |
| Cinebench R23 (single) | 2,150+26% | 1,700 |
| Cinebench R23 (multi) | 37,500+152% | 14,900 |
| PassMark | 62,000+129% | 27,100 |
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