Intel Core Ultra 7 356H vs Intel Core Ultra X9 388H
80.3Single-core74.6
57.5Multi-core61.3
81.4Efficiencyspec-based81.4
70iGPU88.3
58.2Platformspec-based56.4
1 spec wins — Intel Core Ultra 7 356H6 spec wins — Intel Core Ultra X9 388H
InnoReviews verdict
This one is close to a dead heat: Intel Core Ultra 7 356H scores 68.2 against 69.6 for Intel Core Ultra X9 388H. Pick by the categories that matter to you — Intel Core Ultra X9 388H edges ahead in iGPU and multi-core, or by price.
Which would you pick?
Key differences
Reasons to pick the Intel Core Ultra 7 356H
- Stronger single-core score: 80 vs 75
- 33% higher Max memory: 128 GB vs 96 GB
Reasons to pick the Intel Core Ultra X9 388H
- Stronger multi-core score: 61 vs 58
- Stronger iGPU score: 88 vs 70
- 128% higher 3DMark Time Spy Graphics (iGPU): 6,501 vs 2,846
- 11% higher Base clock: 2.1 GHz vs 1.9 GHz
General
| Spec | Intel Core Ultra 7 356H | Intel Core Ultra X9 388H |
|---|---|---|
| Announced | 2026 | 2026 |
| Process | 2 nm | 2 nm |
| Base TDP | 25 W | 25 W |
| Max TDP | 80 W | 80 W |
Cores & Clocks
| Spec | Intel Core Ultra 7 356H | Intel Core Ultra X9 388H |
|---|---|---|
| Cores | 16 | 16 |
| Performance cores | 4 | 4 |
| Efficiency cores | 12 | 12 |
| Threads | 16 | 16 |
| Base clock | 1.9 GHz | 2.1 GHz+11% |
| Boost clock | 4.7 GHz | 5.1 GHz+9% |
| L3 cache | 18 MB | 18 MB |
Integrated GPU
| Spec | Intel Core Ultra 7 356H | Intel Core Ultra X9 388H |
|---|---|---|
| iGPU | Intel Graphics (4 Xe3-cores) | Intel Arc B390 |
| iGPU clock | 2,450 MHz | 2,500 MHz |
Memory
| Spec | Intel Core Ultra 7 356H | Intel Core Ultra X9 388H |
|---|---|---|
| Memory support | LPDDR5X, DDR5 | LPDDR5X |
| Max memory | 128 GB+33% | 96 GB |
Benchmarks
| Spec | Intel Core Ultra 7 356H | Intel Core Ultra X9 388H |
|---|---|---|
| Geekbench 6 (single) | — | 3,038Top 19% |
| Geekbench 6 (multi) | — | 17,395Top 16% |
| Cinebench R23 (single) | 2,033Top 20% | 2,201+8%Top 7% |
| Cinebench R23 (multi) | 18,586Top 21% | 18,911+2%Top 19% |
| PassMark | 34,251Top 19% | 36,409+6%Top 16% |
| 3DMark Time Spy Graphics (iGPU) | 2,846Top 19% | 6,501+128%Top 3% |
Related comparisons
Intel Core Ultra 7 356Hvs AMD Ryzen AI 9 HX 470VSIntel Core Ultra 7 356Hvs Qualcomm Snapdragon X2 Elite X2E-80-100VSIntel Core Ultra 7 356Hvs AMD Ryzen 9 9955HXVSIntel Core Ultra 7 356Hvs AMD Ryzen AI 9 HX 370VSIntel Core Ultra X9 388Hvs AMD Ryzen 9 9955HXVSIntel Core Ultra X9 388Hvs Apple M5 (10-core)VSIntel Core Ultra X9 388Hvs AMD Ryzen AI 9 HX 470VSIntel Core Ultra X9 388Hvs Intel Core Ultra 9 275HXVS