Intel Core Ultra 7 155U vs Intel Core Ultra 7 355
54.1Single-core66.5
38.4Multi-core43.7
81.9Efficiencyspec-based81.4
—iGPU70.1
51.8Platformspec-based49.2
6 spec wins — Intel Core Ultra 7 155U10 spec wins — Intel Core Ultra 7 355
InnoReviews verdict
Intel Core Ultra 7 355 wins this laptop processor face-off, 58.5 to 52.3, pulling ahead mainly in single-core (+12) and multi-core (+5). Intel Core Ultra 7 155U 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 155U
- 150% higher Efficiency cores: 10 vs 4
- 75% higher threads: 14 vs 8
- 50% higher cores: 12 vs 8
- 40% lower Base TDP: 15 W vs 25 W
Reasons to pick the Intel Core Ultra 7 355
- Stronger single-core score: 67 vs 54
- Stronger multi-core score: 44 vs 38
- 100% higher Performance cores: 4 vs 2
- 71% lower process: 2 nm vs 7 nm
- 35% higher Base clock: 2.3 GHz vs 1.7 GHz
General
| Spec | Intel Core Ultra 7 155U | Intel Core Ultra 7 355 |
|---|---|---|
| Announced | 2023 | 2026 |
| Process | 7 nm | 2 nm+71% |
| Base TDP | 15 W+40% | 25 W |
| Max TDP | 57 W+4% | 55 W |
Cores & Clocks
| Spec | Intel Core Ultra 7 155U | Intel Core Ultra 7 355 |
|---|---|---|
| Cores | 12+50% | 8 |
| Performance cores | 2 | 4+100% |
| Efficiency cores | 10+150% | 4 |
| Threads | 14+75% | 8 |
| Base clock | 1.7 GHz | 2.3 GHz+35% |
| Boost clock | 4.8 GHz+2% | 4.7 GHz |
| L3 cache | 12 MB | 12 MB |
Integrated GPU
| Spec | Intel Core Ultra 7 155U | Intel Core Ultra 7 355 |
|---|---|---|
| iGPU | Intel Graphics (4 Xe) | Intel Graphics (4 Xe3-cores) |
| iGPU clock | 1,950 MHz | 2,500 MHz |
Memory
| Spec | Intel Core Ultra 7 155U | Intel Core Ultra 7 355 |
|---|---|---|
| Memory support | LPDDR5X-7467 / DDR5-5600 | LPDDR5X-7467 / DDR5-6400 |
| Max memory | 96 GB | 128 GB+33% |
Benchmarks
| Spec | Intel Core Ultra 7 155U | Intel Core Ultra 7 355 |
|---|---|---|
| Geekbench 6 (single) | 2,195Bottom 29% | 2,725+24%Top 37% |
| Geekbench 6 (multi) | 8,981Bottom 31% | 11,367+27%Top 50% |
| Cinebench R23 (single) | 1,627Bottom 43% | 1,958+20%Top 23% |
| Cinebench R23 (multi) | 9,627Bottom 35% | 11,261+17%Bottom 48% |
| PassMark | 16,133Bottom 34% | 20,125+25%Top 50% |
| 3DMark Time Spy Graphics (iGPU) | — | 2,865Top 20% |
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