Intel Core Ultra 7 155H vs Intel Core Ultra X9 388H
42.4Single-core61.9
37.3Multi-core58.7
66.9Efficiency81.4
74iGPU—
63.1Platform50.7
4 spec wins — Intel Core Ultra 7 155H8 spec wins — Intel Core Ultra X9 388H
InnoReviews verdict
Intel Core Ultra X9 388H wins this laptop processor face-off, 62.1 to 50.5, pulling ahead mainly in Multi-core (+21) and Single-core (+20). Intel Core Ultra 7 155H 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 155H
- Stronger platform score: 63 vs 51
- 50% higher Performance cores: 6 vs 4
- 44% higher Max TDP: 115 W vs 80 W
- 38% higher threads: 22 vs 16
- 33% higher L3 cache: 24 MB vs 18 MB
Reasons to pick the Intel Core Ultra X9 388H
- Stronger Single-core score: 62 vs 42
- Stronger Multi-core score: 59 vs 37
- Stronger efficiency score: 81 vs 67
- 71% lower process: 2 nm vs 7 nm
- 50% higher Base clock: 2.1 GHz vs 1.4 GHz
General
| Spec | Intel Core Ultra 7 155H | Intel Core Ultra X9 388H |
|---|---|---|
| Announced | 2023 | 2026 |
| Process | 7 nm | 2 nm+71% |
| Base TDP | 28 W | 25 W+11% |
| Max TDP | 115 W+44% | 80 W |
Cores & Clocks
| Spec | Intel Core Ultra 7 155H | Intel Core Ultra X9 388H |
|---|---|---|
| Cores | 16 | 16 |
| Performance cores | 6+50% | 4 |
| Efficiency cores | 10 | 12+20% |
| Threads | 22+38% | 16 |
| Base clock | 1.4 GHz | 2.1 GHz+50% |
| Boost clock | 4.8 GHz | 5.1 GHz+6% |
| L3 cache | 24 MB+33% | 18 MB |
Integrated GPU
| Spec | Intel Core Ultra 7 155H | Intel Core Ultra X9 388H |
|---|---|---|
| iGPU | Intel Arc Graphics (8 Xe) | Intel Arc B390 |
| iGPU clock | 2,250 MHz | — |
Memory
| Spec | Intel Core Ultra 7 155H | Intel Core Ultra X9 388H |
|---|---|---|
| Memory support | LPDDR5X-7467 / DDR5-5600 | LPDDR5X |
| Max memory | 96 GB | — |
Benchmarks
| Spec | Intel Core Ultra 7 155H | Intel Core Ultra X9 388H |
|---|---|---|
| Geekbench 6 (single) | 2,320Top 82% | 3,057+32%Top 23% |
| Geekbench 6 (multi) | 12,100Top 63% | 17,687+46%Top 21% |
| Cinebench R23 (single) | 1,700Top 66% | — |
| Cinebench R23 (multi) | 14,900Top 49% | — |
| PassMark | 27,100Top 55% | — |
Related comparisons
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