AMD Ryzen 9 9955HX vs Intel Core Ultra 9 275HX
70.9Single-core72.8
81.4Multi-core81.4
42.2Efficiency44.4
72iGPU64
84.3Platform73.9
6 spec wins — AMD Ryzen 9 9955HX7 spec wins — Intel Core Ultra 9 275HX
InnoReviews verdict
AMD Ryzen 9 9955HX wins this laptop processor face-off, 72.4 to 70.9, pulling ahead mainly in platform (+10) and iGPU (+8). Intel Core Ultra 9 275HX 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 iGPU score: 72 vs 64
- Stronger platform score: 84 vs 74
- 100% higher Performance cores: 16 vs 8
- 78% higher L3 cache: 64 MB vs 36 MB
- 33% higher threads: 32 vs 24
Reasons to pick the Intel Core Ultra 9 275HX
- 113% higher Max TDP: 160 W vs 75 W
- 50% higher cores: 24 vs 16
- 25% lower process: 3 nm vs 4 nm
- 12% higher Geekbench 6 (multi): 21,800 vs 19,500
General
| Spec | AMD Ryzen 9 9955HX | Intel Core Ultra 9 275HX |
|---|---|---|
| Announced | 2025 | 2025 |
| Process | 4 nm | 3 nm+25% |
| Base TDP | 55 W | 55 W |
| Max TDP | 75 W | 160 W+113% |
Cores & Clocks
| Spec | AMD Ryzen 9 9955HX | Intel Core Ultra 9 275HX |
|---|---|---|
| Cores | 16 | 24+50% |
| Performance cores | 16+100% | 8 |
| Efficiency cores | — | 16 |
| Threads | 32+33% | 24 |
| Base clock | 2.5 GHz | 2.7 GHz+8% |
| Boost clock | 5.4 GHz | 5.4 GHz |
| L3 cache | 64 MB+78% | 36 MB |
Integrated GPU
| Spec | AMD Ryzen 9 9955HX | Intel Core Ultra 9 275HX |
|---|---|---|
| iGPU | AMD Radeon 610M | Intel Arc Graphics (4 Xe) |
| iGPU clock | 2,200 MHz+10% | 2,000 MHz |
Memory
| Spec | AMD Ryzen 9 9955HX | Intel Core Ultra 9 275HX |
|---|---|---|
| Memory support | DDR5-5600 | DDR5-6400 |
| Max memory | 256 GB | 256 GB |
Benchmarks
| Spec | AMD Ryzen 9 9955HX | Intel Core Ultra 9 275HX |
|---|---|---|
| Geekbench 6 (single) | 3,080 | 3,100+1% |
| Geekbench 6 (multi) | 19,500 | 21,800+12% |
| Cinebench R23 (single) | 2,150 | 2,200+2% |
| Cinebench R23 (multi) | 37,500+7% | 35,000 |
| PassMark | 62,000+10% | 56,500 |
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