AMD Ryzen 9 9955HX vs Intel Core Ultra 9 285HX
74.2Single-core76.8
82Multi-core83.4
42.2Efficiencyspec-based44.4
32.6iGPU60.5
84.3Platformspec-based73.9
3 spec wins — AMD Ryzen 9 9955HX10 spec wins — Intel Core Ultra 9 285HX
InnoReviews verdict
Intel Core Ultra 9 285HX wins this laptop processor face-off, 72.2 to 69.5, pulling ahead mainly in iGPU (+28) and single-core (+3). AMD Ryzen 9 9955HX 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
- 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 285HX
- Stronger iGPU score: 61 vs 33
- 251% higher 3DMark Time Spy Graphics (iGPU): 1,855 vs 528
- 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 285HX |
|---|---|---|
| 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 285HX |
|---|---|---|
| Cores | 16 | 24+50% |
| Performance cores | 16+100% | 8 |
| Efficiency cores | — | 16 |
| Threads | 32+33% | 24 |
| Base clock | 2.5 GHz | 2.8 GHz+12% |
| Boost clock | 5.4 GHz | 5.5 GHz+2% |
| L3 cache | 64 MB+78% | 36 MB |
Integrated GPU
| Spec | AMD Ryzen 9 9955HX | Intel Core Ultra 9 285HX |
|---|---|---|
| iGPU | AMD Radeon 610M | Intel Graphics (4 Xe-cores) |
| iGPU clock | 2,200 MHz | 2,000 MHz |
Memory
| Spec | AMD Ryzen 9 9955HX | Intel Core Ultra 9 285HX |
|---|---|---|
| Memory support | DDR5-5600 | DDR5-6400 |
| Max memory | 256 GB | 256 GB |
Benchmarks
| Spec | AMD Ryzen 9 9955HX | Intel Core Ultra 9 285HX |
|---|---|---|
| Geekbench 6 (single) | 3,080Top 17% | 3,150+2%Top 12% |
| Geekbench 6 (multi) | 19,500Top 12% | 20,500+5%Top 11% |
| Cinebench R23 (single) | 2,150Top 11% | 2,250+5%Top 3% |
| Cinebench R23 (multi) | 37,500Top 2% | 37,500Top 2% |
| PassMark | 56,261Top 5% | 56,512Top 4% |
| 3DMark Time Spy Graphics (iGPU) | 528Bottom 20% | 1,855+251%Top 37% |
Related comparisons
AMD Ryzen 9 9955HXvs Intel Core Ultra X9 388HVSAMD Ryzen 9 9955HXvs Apple M5 (10-core)VSAMD Ryzen 9 9955HXvs Intel Core Ultra 7 356HVSAMD Ryzen 9 9955HXvs AMD Ryzen AI 9 HX 470VSIntel Core Ultra 9 285HXvs Intel Core Ultra 9 275HXVSIntel Core Ultra 9 285HXvs Apple M3 Max (16-core)VSIntel Core Ultra 9 285HXvs Intel Core Ultra 9 290HX PlusVSIntel Core Ultra 9 285HXvs Apple M5 (10-core)VS