AMD Ryzen 9 9955HX vs Intel Core i7-1355U
74.2Single-core60.9
82Multi-core37.1
42.2Efficiencyspec-based75.3
32.6iGPU55.7
84.3Platformspec-based50.3
15 spec wins — AMD Ryzen 9 9955HX2 spec wins — Intel Core i7-1355U
InnoReviews verdict
AMD Ryzen 9 9955HX wins this laptop processor face-off, 69.5 to 52.6, pulling ahead mainly in multi-core (+45) and single-core (+13). Intel Core i7-1355U 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 61
- Stronger multi-core score: 82 vs 37
- 700% higher Performance cores: 16 vs 2
- 433% higher L3 cache: 64 MB vs 12 MB
- 334% higher Cinebench R23 (multi): 37,500 vs 8,637
Reasons to pick the Intel Core i7-1355U
- Stronger iGPU score: 56 vs 33
- 183% higher 3DMark Time Spy Graphics (iGPU): 1,496 vs 528
- 73% lower Base TDP: 15 W vs 55 W
General
| Spec | AMD Ryzen 9 9955HX | Intel Core i7-1355U |
|---|---|---|
| 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 Core i7-1355U |
|---|---|---|
| Cores | 16+60% | 10 |
| Performance cores | 16+700% | 2 |
| Efficiency cores | — | 8 |
| Threads | 32+167% | 12 |
| Base clock | 2.5 GHz+47% | 1.7 GHz |
| Boost clock | 5.4 GHz+8% | 5 GHz |
| L3 cache | 64 MB+433% | 12 MB |
Integrated GPU
| Spec | AMD Ryzen 9 9955HX | Intel Core i7-1355U |
|---|---|---|
| iGPU | AMD Radeon 610M | Intel Iris Xe (96 EU) |
| iGPU clock | 2,200 MHz | 1,300 MHz |
Memory
| Spec | AMD Ryzen 9 9955HX | Intel Core i7-1355U |
|---|---|---|
| Memory support | DDR5-5600 | LPDDR5-6400 / DDR5-5200 / DDR4-3200 / LPDDR4X-4267 |
| Max memory | 256 GB+167% | 96 GB |
Benchmarks
| Spec | AMD Ryzen 9 9955HX | Intel Core i7-1355U |
|---|---|---|
| Geekbench 6 (single) | 3,080+24%Top 17% | 2,491Top 50% |
| Geekbench 6 (multi) | 19,500+117%Top 12% | 8,984Bottom 32% |
| Cinebench R23 (single) | 2,150+19%Top 12% | 1,805Top 37% |
| Cinebench R23 (multi) | 37,500+334%Top 3% | 8,637Bottom 29% |
| PassMark | 56,261+307%Top 5% | 13,837Bottom 27% |
| 3DMark Time Spy Graphics (iGPU) | 528Bottom 20% | 1,496+183%Top 42% |
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 i7-1355Uvs Intel Core i7-12700HVSIntel Core i7-1355Uvs Intel Core i7-1360PVSIntel Core i7-1355Uvs Intel Core Ultra 7 155UVSIntel Core i7-1355Uvs Apple M1 Pro (10-core)VS