AMD Ryzen 9 9955HX vs Intel Core Ultra 7 356H
74.2Single-core80.3
82Multi-core57.5
42.2Efficiencyspec-based81.4
32.6iGPU70
84.3Platformspec-based58.2
9 spec wins — AMD Ryzen 9 9955HX5 spec wins — Intel Core Ultra 7 356H
InnoReviews verdict
This one is close to a dead heat: AMD Ryzen 9 9955HX scores 69.5 against 68.2 for Intel Core Ultra 7 356H. Pick by the categories that matter to you — AMD Ryzen 9 9955HX edges ahead in multi-core, or by price.
Which would you pick?
Key differences
Reasons to pick the AMD Ryzen 9 9955HX
- Stronger multi-core score: 82 vs 58
- 300% higher Performance cores: 16 vs 4
- 256% higher L3 cache: 64 MB vs 18 MB
- 102% higher Cinebench R23 (multi): 37,500 vs 18,586
- 100% higher threads: 32 vs 16
Reasons to pick the Intel Core Ultra 7 356H
- Stronger single-core score: 80 vs 74
- Stronger iGPU score: 70 vs 33
- 439% higher 3DMark Time Spy Graphics (iGPU): 2,846 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 7 356H |
|---|---|---|
| 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 7 356H |
|---|---|---|
| Cores | 16 | 16 |
| Performance cores | 16+300% | 4 |
| Efficiency cores | — | 12 |
| Threads | 32+100% | 16 |
| Base clock | 2.5 GHz+32% | 1.9 GHz |
| Boost clock | 5.4 GHz+15% | 4.7 GHz |
| L3 cache | 64 MB+256% | 18 MB |
Integrated GPU
| Spec | AMD Ryzen 9 9955HX | Intel Core Ultra 7 356H |
|---|---|---|
| iGPU | AMD Radeon 610M | Intel Graphics (4 Xe3-cores) |
| iGPU clock | 2,200 MHz | 2,450 MHz |
Memory
| Spec | AMD Ryzen 9 9955HX | Intel Core Ultra 7 356H |
|---|---|---|
| Memory support | DDR5-5600 | LPDDR5X, DDR5 |
| Max memory | 256 GB+100% | 128 GB |
Benchmarks
| Spec | AMD Ryzen 9 9955HX | Intel Core Ultra 7 356H |
|---|---|---|
| Geekbench 6 (single) | 3,080Top 17% | — |
| Geekbench 6 (multi) | 19,500Top 13% | — |
| Cinebench R23 (single) | 2,150+6%Top 12% | 2,033Top 20% |
| Cinebench R23 (multi) | 37,500+102%Top 3% | 18,586Top 21% |
| PassMark | 56,261+64%Top 5% | 34,251Top 19% |
| 3DMark Time Spy Graphics (iGPU) | 528Bottom 20% | 2,846+439%Top 19% |
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