AMD Ryzen 9 9955HX3D vs Intel Core Ultra 7 356H
75.7Single-core80.3
84.4Multi-core57.5
42.2Efficiencyspec-based81.4
—iGPU70
83.3Platformspec-based58.2
9 spec wins — AMD Ryzen 9 9955HX3D6 spec wins — Intel Core Ultra 7 356H
InnoReviews verdict
AMD Ryzen 9 9955HX3D wins this laptop processor face-off, 74.8 to 68.2, pulling ahead mainly in multi-core (+27). Intel Core Ultra 7 356H 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 9955HX3D
- Stronger multi-core score: 84 vs 58
- 611% higher L3 cache: 128 MB vs 18 MB
- 300% higher Performance cores: 16 vs 4
- 102% higher Cinebench R23 (multi): 37,459 vs 18,586
- 100% higher threads: 32 vs 16
Reasons to pick the Intel Core Ultra 7 356H
- Stronger single-core score: 80 vs 76
- 55% lower Base TDP: 25 W vs 55 W
- 50% lower process: 2 nm vs 4 nm
- 33% higher Max memory: 128 GB vs 96 GB
General
| Spec | AMD Ryzen 9 9955HX3D | 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 9955HX3D | Intel Core Ultra 7 356H |
|---|---|---|
| Cores | 16 | 16 |
| Performance cores | 16+300% | 4 |
| Efficiency cores | 0 | 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 | 128 MB+611% | 18 MB |
Integrated GPU
| Spec | AMD Ryzen 9 9955HX3D | Intel Core Ultra 7 356H |
|---|---|---|
| iGPU | AMD Radeon 610M (2 CU) | Intel Graphics (4 Xe3-cores) |
| iGPU clock | 2,200 MHz | 2,450 MHz |
Memory
| Spec | AMD Ryzen 9 9955HX3D | Intel Core Ultra 7 356H |
|---|---|---|
| Memory support | DDR5-5600 | LPDDR5X, DDR5 |
| Max memory | 96 GB | 128 GB+33% |
Benchmarks
| Spec | AMD Ryzen 9 9955HX3D | Intel Core Ultra 7 356H |
|---|---|---|
| Geekbench 6 (single) | 3,203Top 10% | — |
| Geekbench 6 (multi) | 20,023Top 9% | — |
| Cinebench R23 (single) | 2,150+6%Top 9% | 2,033Top 17% |
| Cinebench R23 (multi) | 37,459+102%Top 3% | 18,586Top 22% |
| PassMark | 62,111+81%Top 1% | 34,251Top 17% |
| PassMark (single thread) | 4,497+10%Top 10% | 4,077Top 22% |
| 3DMark Time Spy Graphics (iGPU) | — | 2,846Top 28% |
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