Intel Core Ultra 7 355 vs Intel Core Ultra X9 388H
66.5Single-core74.6
43.7Multi-core61.3
81.4Efficiencyspec-based81.4
70.1iGPU88.3
49.2Platformspec-based56.4
2 spec wins — Intel Core Ultra 7 35512 spec wins — Intel Core Ultra X9 388H
InnoReviews verdict
Intel Core Ultra X9 388H wins this laptop processor face-off, 69.6 to 58.5, pulling ahead mainly in iGPU (+18) and multi-core (+18). Intel Core Ultra 7 355 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 7 355
- 33% higher Max memory: 128 GB vs 96 GB
- 10% higher Base clock: 2.3 GHz vs 2.1 GHz
Reasons to pick the Intel Core Ultra X9 388H
- Stronger single-core score: 75 vs 67
- Stronger multi-core score: 61 vs 44
- Stronger iGPU score: 88 vs 70
- 200% higher Efficiency cores: 12 vs 4
- 127% higher 3DMark Time Spy Graphics (iGPU): 6,501 vs 2,865
General
| Spec | Intel Core Ultra 7 355 | Intel Core Ultra X9 388H |
|---|---|---|
| Announced | 2026 | 2026 |
| Process | 2 nm | 2 nm |
| Base TDP | 25 W | 25 W |
| Max TDP | 55 W | 80 W+45% |
Cores & Clocks
| Spec | Intel Core Ultra 7 355 | Intel Core Ultra X9 388H |
|---|---|---|
| Cores | 8 | 16+100% |
| Performance cores | 4 | 4 |
| Efficiency cores | 4 | 12+200% |
| Threads | 8 | 16+100% |
| Base clock | 2.3 GHz+10% | 2.1 GHz |
| Boost clock | 4.7 GHz | 5.1 GHz+9% |
| L3 cache | 12 MB | 18 MB+50% |
Integrated GPU
| Spec | Intel Core Ultra 7 355 | Intel Core Ultra X9 388H |
|---|---|---|
| iGPU | Intel Graphics (4 Xe3-cores) | Intel Arc B390 |
| iGPU clock | 2,500 MHz | 2,500 MHz |
Memory
| Spec | Intel Core Ultra 7 355 | Intel Core Ultra X9 388H |
|---|---|---|
| Memory support | LPDDR5X-7467 / DDR5-6400 | LPDDR5X |
| Max memory | 128 GB+33% | 96 GB |
Benchmarks
| Spec | Intel Core Ultra 7 355 | Intel Core Ultra X9 388H |
|---|---|---|
| Geekbench 6 (single) | 2,725Top 37% | 3,038+11%Top 19% |
| Geekbench 6 (multi) | 11,367Top 50% | 17,395+53%Top 15% |
| Cinebench R23 (single) | 1,958Top 23% | 2,201+12%Top 6% |
| Cinebench R23 (multi) | 11,261Bottom 48% | 18,911+68%Top 18% |
| PassMark | 20,125Top 50% | 36,409+81%Top 15% |
| 3DMark Time Spy Graphics (iGPU) | 2,865Top 20% | 6,501+127%Top 3% |
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