AMD Ryzen 9 9955HX vs Intel Core Ultra X9 388H
70.9Single-core61.9
81.4Multi-core58.7
42.2Efficiency81.4
72iGPU—
84.3Platform50.7
7 spec wins — AMD Ryzen 9 9955HX4 spec wins — Intel Core Ultra X9 388H
InnoReviews verdict
AMD Ryzen 9 9955HX wins this laptop processor face-off, 72.4 to 62.1, pulling ahead mainly in platform (+34) and Multi-core (+23). Intel Core Ultra X9 388H 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 62
- Stronger Multi-core score: 81 vs 59
- Stronger platform score: 84 vs 51
- 300% higher Performance cores: 16 vs 4
- 256% higher L3 cache: 64 MB vs 18 MB
Reasons to pick the Intel Core Ultra X9 388H
- Stronger efficiency score: 81 vs 42
- 55% lower Base TDP: 25 W vs 55 W
- 50% lower process: 2 nm vs 4 nm
General
| Spec | AMD Ryzen 9 9955HX | Intel Core Ultra X9 388H |
|---|---|---|
| Announced | 2025 | 2026 |
| Process | 4 nm | 2 nm+50% |
| Base TDP | 55 W | 25 W+55% |
| Max TDP | 75 W | 80 W+7% |
Cores & Clocks
| Spec | AMD Ryzen 9 9955HX | Intel Core Ultra X9 388H |
|---|---|---|
| Cores | 16 | 16 |
| Performance cores | 16+300% | 4 |
| Efficiency cores | — | 12 |
| Threads | 32+100% | 16 |
| Base clock | 2.5 GHz+19% | 2.1 GHz |
| Boost clock | 5.4 GHz+6% | 5.1 GHz |
| L3 cache | 64 MB+256% | 18 MB |
Integrated GPU
| Spec | AMD Ryzen 9 9955HX | Intel Core Ultra X9 388H |
|---|---|---|
| iGPU | AMD Radeon 610M | Intel Arc B390 |
| iGPU clock | 2,200 MHz | — |
Memory
| Spec | AMD Ryzen 9 9955HX | Intel Core Ultra X9 388H |
|---|---|---|
| Memory support | DDR5-5600 | LPDDR5X |
| Max memory | 256 GB | — |
Benchmarks
| Spec | AMD Ryzen 9 9955HX | Intel Core Ultra X9 388H |
|---|---|---|
| Geekbench 6 (single) | 3,080+1%Top 19% | 3,057Top 23% |
| Geekbench 6 (multi) | 19,500+10%Top 16% | 17,687Top 21% |
| Cinebench R23 (single) | 2,150Top 18% | — |
| Cinebench R23 (multi) | 37,500Top 3% | — |
| PassMark | 62,000Top 3% | — |
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