AMD Ryzen 9 9955HX vs Intel Processor U300
74.2Single-core52.1
82Multi-core27.3
42.2Efficiencyspec-based75.3
32.6iGPU36.9
84.3Platformspec-based42.7
15 spec wins — AMD Ryzen 9 9955HX2 spec wins — Intel Processor U300
InnoReviews verdict
AMD Ryzen 9 9955HX wins this laptop processor face-off, 69.5 to 44, pulling ahead mainly in multi-core (+55) and single-core (+22). Intel Processor U300 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 52
- Stronger multi-core score: 82 vs 27
- 1500% higher Performance cores: 16 vs 1
- 700% higher L3 cache: 64 MB vs 8 MB
- 665% higher Cinebench R23 (multi): 37,500 vs 4,905
Reasons to pick the Intel Processor U300
- Stronger iGPU score: 37 vs 33
- 73% lower Base TDP: 15 W vs 55 W
- 22% higher 3DMark Time Spy Graphics (iGPU): 643 vs 528
General
| Spec | AMD Ryzen 9 9955HX | Intel Processor U300 |
|---|---|---|
| Announced | 2025 | 2023 |
| Process | 4 nm+60% | 10 nm |
| Base TDP | 55 W | 15 W+73% |
| Max TDP | 75 W+36% | 55 W |
Cores & Clocks
| Spec | AMD Ryzen 9 9955HX | Intel Processor U300 |
|---|---|---|
| Cores | 16+220% | 5 |
| Performance cores | 16+1500% | 1 |
| Efficiency cores | — | 4 |
| Threads | 32+433% | 6 |
| Base clock | 2.5 GHz+108% | 1.2 GHz |
| Boost clock | 5.4 GHz+23% | 4.4 GHz |
| L3 cache | 64 MB+700% | 8 MB |
Integrated GPU
| Spec | AMD Ryzen 9 9955HX | Intel Processor U300 |
|---|---|---|
| iGPU | AMD Radeon 610M | Intel UHD Graphics (48 EU) |
| iGPU clock | 2,200 MHz | 1,100 MHz |
Memory
| Spec | AMD Ryzen 9 9955HX | Intel Processor U300 |
|---|---|---|
| Memory support | DDR5-5600 | DDR5-5200 / LPDDR5/X-5200 / DDR4-3200 / LPDDR4X-4267 |
| Max memory | 256 GB+167% | 96 GB |
Benchmarks
| Spec | AMD Ryzen 9 9955HX | Intel Processor U300 |
|---|---|---|
| Geekbench 6 (single) | 3,080+51%Top 14% | 2,041Bottom 18% |
| Geekbench 6 (multi) | 19,500+346%Top 10% | 4,369Bottom 5% |
| Cinebench R23 (single) | 2,150+33%Top 11% | 1,616Bottom 37% |
| Cinebench R23 (multi) | 37,500+665%Top 2% | 4,905Bottom 11% |
| PassMark | 56,261+542%Top 4% | 8,758Bottom 12% |
| 3DMark Time Spy Graphics (iGPU) | 528Bottom 18% | 643+22%Bottom 22% |
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