Intel Core Ultra 7 356H vs Intel Core Ultra 9 275HX
80.3Single-core74.5
57.5Multi-core80.6
81.4Efficiencyspec-based44.4
70.5iGPU61
58.2Platformspec-based73.9
4 spec wins — Intel Core Ultra 7 356H13 spec wins — Intel Core Ultra 9 275HX
InnoReviews verdict
Intel Core Ultra 9 275HX wins this laptop processor face-off, 70.7 to 68.2, pulling ahead mainly in multi-core (+23). Intel Core Ultra 7 356H still makes sense if its price or standout specs fit your needs better.
Which would you pick?
Key differences
Reasons to pick the Intel Core Ultra 7 356H
- Stronger single-core score: 80 vs 75
- Stronger iGPU score: 71 vs 61
- 55% lower Base TDP: 25 W vs 55 W
- 53% higher 3DMark Time Spy Graphics (iGPU): 2,912 vs 1,902
- 33% lower process: 2 nm vs 3 nm
Reasons to pick the Intel Core Ultra 9 275HX
- Stronger multi-core score: 81 vs 58
- 100% higher Max TDP: 160 W vs 80 W
- 100% higher Performance cores: 8 vs 4
- 100% higher L3 cache: 36 MB vs 18 MB
- 100% higher Max memory: 256 GB vs 128 GB
General
| Spec | Intel Core Ultra 7 356H | Intel Core Ultra 9 275HX |
|---|---|---|
| Announced | 2026 | 2025 |
| Process | 2 nm+33% | 3 nm |
| Base TDP | 25 W+55% | 55 W |
| Max TDP | 80 W | 160 W+100% |
Cores & Clocks
| Spec | Intel Core Ultra 7 356H | Intel Core Ultra 9 275HX |
|---|---|---|
| Cores | 16 | 24+50% |
| Performance cores | 4 | 8+100% |
| Efficiency cores | 12 | 16+33% |
| Threads | 16 | 24+50% |
| Base clock | 1.9 GHz | 2.7 GHz+42% |
| Boost clock | 4.7 GHz | 5.4 GHz+15% |
| L3 cache | 18 MB | 36 MB+100% |
Integrated GPU
| Spec | Intel Core Ultra 7 356H | Intel Core Ultra 9 275HX |
|---|---|---|
| iGPU | Intel Graphics (4 Xe3-cores) | Intel Arc Graphics (4 Xe) |
| iGPU clock | 2,450 MHz | 2,000 MHz |
Memory
| Spec | Intel Core Ultra 7 356H | Intel Core Ultra 9 275HX |
|---|---|---|
| Memory support | LPDDR5X, DDR5 | DDR5-6400 |
| Max memory | 128 GB | 256 GB+100% |
Benchmarks
| Spec | Intel Core Ultra 7 356H | Intel Core Ultra 9 275HX |
|---|---|---|
| Geekbench 6 (single) | — | 3,042Top 11% |
| Geekbench 6 (multi) | — | 19,417Top 8% |
| Cinebench R23 (single) | 2,033Top 15% | 2,194+8%Top 3% |
| Cinebench R23 (multi) | 18,586Top 25% | 35,766+92%Top 3% |
| PassMark | 34,251Top 18% | 55,684+63%Top 4% |
| PassMark (single thread) | 4,077Top 19% | 4,701+15%Top 4% |
| 3DMark Time Spy Graphics (iGPU) | 2,912+53%Top 21% | 1,902Top 42% |
Related comparisons
Intel Core Ultra 7 356Hvs Intel Core Ultra 7 270HX PlusVSIntel Core Ultra 7 356Hvs AMD Ryzen AI 9 HX 470VSIntel Core Ultra 7 356Hvs Intel Core Ultra 7 265HXVSIntel Core Ultra 7 356Hvs Intel Core Ultra X7 358HVSIntel 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