AMD Ryzen 9 9955HX vs Intel Core Ultra X9 388H
74.2Single-core74.6
82Multi-core61.3
42.2Efficiencyspec-based81.4
32.6iGPU88.3
84.3Platformspec-based56.4
10 spec wins — AMD Ryzen 9 9955HX6 spec wins — Intel Core Ultra X9 388H
InnoReviews verdict
This one is close to a dead heat: AMD Ryzen 9 9955HX scores 69.5 against 69.6 for Intel Core Ultra X9 388H. Pick by the categories that matter to you — Intel Core Ultra X9 388H edges ahead in iGPU and single-core, or by price.
Which would you pick?
Key differences
Reasons to pick the AMD Ryzen 9 9955HX
- Stronger multi-core score: 82 vs 61
- 300% higher Performance cores: 16 vs 4
- 256% higher L3 cache: 64 MB vs 18 MB
- 167% higher Max memory: 256 GB vs 96 GB
- 100% higher threads: 32 vs 16
Reasons to pick the Intel Core Ultra X9 388H
- Stronger iGPU score: 88 vs 33
- 1131% higher 3DMark Time Spy Graphics (iGPU): 6,501 vs 528
- 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 | 2,500 MHz |
Memory
| Spec | AMD Ryzen 9 9955HX | Intel Core Ultra X9 388H |
|---|---|---|
| Memory support | DDR5-5600 | LPDDR5X |
| Max memory | 256 GB+167% | 96 GB |
Benchmarks
| Spec | AMD Ryzen 9 9955HX | Intel Core Ultra X9 388H |
|---|---|---|
| Geekbench 6 (single) | 3,080+1%Top 17% | 3,038Top 19% |
| Geekbench 6 (multi) | 19,500+12%Top 13% | 17,395Top 16% |
| Cinebench R23 (single) | 2,150Top 12% | 2,201+2%Top 7% |
| Cinebench R23 (multi) | 37,500+98%Top 3% | 18,911Top 19% |
| PassMark | 56,261+55%Top 5% | 36,409Top 16% |
| 3DMark Time Spy Graphics (iGPU) | 528Bottom 20% | 6,501+1131%Top 3% |
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