Intel Core i7-1355U vs Intel Core Ultra 7 155H
60.9Single-core56.9
37.1Multi-core48.3
75.3Efficiencyspec-based66.9
55.7iGPU72.7
50.3Platformspec-based63.1
5 spec wins — Intel Core i7-1355U11 spec wins — Intel Core Ultra 7 155H
InnoReviews verdict
Intel Core Ultra 7 155H wins this laptop processor face-off, 57.9 to 52.6, pulling ahead mainly in iGPU (+17) and multi-core (+11). Intel Core i7-1355U 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 i7-1355U
- Stronger single-core score: 61 vs 57
- 46% lower Base TDP: 15 W vs 28 W
- 21% higher Base clock: 1.7 GHz vs 1.4 GHz
Reasons to pick the Intel Core Ultra 7 155H
- Stronger multi-core score: 48 vs 37
- Stronger iGPU score: 73 vs 56
- 200% higher Performance cores: 6 vs 2
- 116% higher 3DMark Time Spy Graphics (iGPU): 3,225 vs 1,496
- 109% higher Max TDP: 115 W vs 55 W
General
| Spec | Intel Core i7-1355U | Intel Core Ultra 7 155H |
|---|---|---|
| Announced | 2023 | 2023 |
| Process | 10 nm | 7 nm+30% |
| Base TDP | 15 W+46% | 28 W |
| Max TDP | 55 W | 115 W+109% |
Cores & Clocks
| Spec | Intel Core i7-1355U | Intel Core Ultra 7 155H |
|---|---|---|
| Cores | 10 | 16+60% |
| Performance cores | 2 | 6+200% |
| Efficiency cores | 8 | 10+25% |
| Threads | 12 | 22+83% |
| Base clock | 1.7 GHz+21% | 1.4 GHz |
| Boost clock | 5 GHz+4% | 4.8 GHz |
| L3 cache | 12 MB | 24 MB+100% |
Integrated GPU
| Spec | Intel Core i7-1355U | Intel Core Ultra 7 155H |
|---|---|---|
| iGPU | Intel Iris Xe (96 EU) | Intel Arc Graphics (8 Xe) |
| iGPU clock | 1,300 MHz | 2,250 MHz |
Memory
| Spec | Intel Core i7-1355U | Intel Core Ultra 7 155H |
|---|---|---|
| Memory support | LPDDR5-6400 / DDR5-5200 / DDR4-3200 / LPDDR4X-4267 | LPDDR5X-7467 / DDR5-5600 |
| Max memory | 96 GB | 96 GB |
Benchmarks
| Spec | Intel Core i7-1355U | Intel Core Ultra 7 155H |
|---|---|---|
| Geekbench 6 (single) | 2,491+7%Top 50% | 2,320Bottom 37% |
| Geekbench 6 (multi) | 8,984Bottom 32% | 12,100+35%Top 47% |
| Cinebench R23 (single) | 1,805+6%Top 38% | 1,700Top 49% |
| Cinebench R23 (multi) | 8,637Bottom 29% | 14,900+73%Top 33% |
| PassMark | 13,837Bottom 27% | 24,448+77%Top 37% |
| 3DMark Time Spy Graphics (iGPU) | 1,496Top 42% | 3,225+116%Top 14% |
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