AMD Ryzen 9 9955HX vs Intel Core Ultra 9 275HX
76.4Single-core74.5
81.5Multi-core80.6
42.2Efficiencyspec-based44.4
32iGPU61
84.3Platformspec-based73.9
7 spec wins — AMD Ryzen 9 9955HX7 spec wins — Intel Core Ultra 9 275HX
InnoReviews verdict
This one is close to a dead heat: AMD Ryzen 9 9955HX scores 69.8 against 70.7 for Intel Core Ultra 9 275HX. Pick by the categories that matter to you — Intel Core Ultra 9 275HX edges ahead in iGPU, or by price.
Which would you pick?
Key differences
Reasons to pick the AMD Ryzen 9 9955HX
- 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
- Stronger iGPU score: 61 vs 32
- 269% higher 3DMark Time Spy Graphics (iGPU): 1,902 vs 515
- 113% higher Max TDP: 160 W vs 75 W
- 50% higher cores: 24 vs 16
- 25% lower process: 3 nm vs 4 nm
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 | 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) | 3,230+6%Top 8% | 3,042Top 11% |
| Geekbench 6 (multi) | 19,433Top 7% | 19,417Top 8% |
| Cinebench R23 (single) | 2,174Top 5% | 2,194+1%Top 3% |
| Cinebench R23 (multi) | 36,882+3%Top 2% | 35,766Top 3% |
| PassMark | 56,261+1%Top 4% | 55,684Top 4% |
| PassMark (single thread) | 4,390Top 10% | 4,701+7%Top 4% |
| 3DMark Time Spy Graphics (iGPU) | 515Bottom 9% | 1,902+269%Top 42% |
Use this on your site or forum
Copy a ready-made link. Scores on this page update as new results are published, so the link always leads to the current figures.
HTML (for a website or blog)
Markdown (Reddit, GitHub, Discord)
BBCode (forums)
Related comparisons
AMD Ryzen 9 9955HXvs Intel Core Ultra X9 388HVSAMD Ryzen 9 9955HXvs Apple M5 (10-core)VSAMD Ryzen 9 9955HXvs AMD Ryzen 9 9955HX3DVSAMD Ryzen 9 9955HXvs AMD Ryzen AI Max+ 392VSIntel Core Ultra 9 275HXvs AMD Ryzen AI Max+ PRO 395VSIntel Core Ultra 9 275HXvs AMD Ryzen 9 9955HX3DVSIntel Core Ultra 9 275HXvs Intel Core Ultra 9 285HXVSIntel Core Ultra 9 275HXvs Qualcomm Snapdragon X2 Elite X2E-84-100VS