AMD Ryzen 9 9955HX vs Intel Core Ultra 7 255H
74.2Single-core69.7
82Multi-core56.8
42.2Efficiencyspec-based75.7
32.6iGPU75.9
84.3Platformspec-based60.5
11 spec wins — AMD Ryzen 9 9955HX4 spec wins — Intel Core Ultra 7 255H
InnoReviews verdict
AMD Ryzen 9 9955HX wins this laptop processor face-off, 69.5 to 65.3, pulling ahead mainly in multi-core (+25) and single-core (+5). Intel Core Ultra 7 255H 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: 74 vs 70
- Stronger multi-core score: 82 vs 57
- 167% higher Performance cores: 16 vs 6
- 167% higher L3 cache: 64 MB vs 24 MB
- 101% higher Cinebench R23 (multi): 37,500 vs 18,624
Reasons to pick the Intel Core Ultra 7 255H
- Stronger iGPU score: 76 vs 33
- 604% higher 3DMark Time Spy Graphics (iGPU): 3,719 vs 528
- 53% higher Max TDP: 115 W vs 75 W
- 49% lower Base TDP: 28 W vs 55 W
- 25% lower process: 3 nm vs 4 nm
General
| Spec | AMD Ryzen 9 9955HX | Intel Core Ultra 7 255H |
|---|---|---|
| Announced | 2025 | 2025 |
| Process | 4 nm | 3 nm+25% |
| 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 255H |
|---|---|---|
| Cores | 16 | 16 |
| Performance cores | 16+167% | 6 |
| Efficiency cores | — | 10 |
| Threads | 32+100% | 16 |
| Base clock | 2.5 GHz+25% | 2 GHz |
| Boost clock | 5.4 GHz+6% | 5.1 GHz |
| L3 cache | 64 MB+167% | 24 MB |
Integrated GPU
| Spec | AMD Ryzen 9 9955HX | Intel Core Ultra 7 255H |
|---|---|---|
| iGPU | AMD Radeon 610M | Intel Arc 140T |
| iGPU clock | 2,200 MHz | 2,250 MHz |
Memory
| Spec | AMD Ryzen 9 9955HX | Intel Core Ultra 7 255H |
|---|---|---|
| Memory support | DDR5-5600 | LPDDR5X-8400 / DDR5-6400 |
| Max memory | 256 GB+100% | 128 GB |
Benchmarks
| Spec | AMD Ryzen 9 9955HX | Intel Core Ultra 7 255H |
|---|---|---|
| Geekbench 6 (single) | 3,080+8%Top 17% | 2,851Top 29% |
| Geekbench 6 (multi) | 19,500+27%Top 13% | 15,362Top 23% |
| Cinebench R23 (single) | 2,150+5%Top 12% | 2,055Top 18% |
| Cinebench R23 (multi) | 37,500+101%Top 3% | 18,624Top 20% |
| PassMark | 56,261+83%Top 5% | 30,782Top 21% |
| 3DMark Time Spy Graphics (iGPU) | 528Bottom 20% | 3,719+604%Top 7% |
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