Intel Core i7-1355U vs Intel Core Ultra 5 225H
60.9Single-core66.7
37.1Multi-core49.4
75.3Efficiencyspec-based75.7
55.7iGPU66
50.3Platformspec-based56.8
2 spec wins — Intel Core i7-1355U15 spec wins — Intel Core Ultra 5 225H
InnoReviews verdict
Intel Core Ultra 5 225H wins this laptop processor face-off, 60.4 to 52.6, pulling ahead mainly in multi-core (+12) and iGPU (+10). 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
- 46% lower Base TDP: 15 W vs 28 W
Reasons to pick the Intel Core Ultra 5 225H
- Stronger single-core score: 67 vs 61
- Stronger multi-core score: 49 vs 37
- Stronger iGPU score: 66 vs 56
- 109% higher Max TDP: 115 W vs 55 W
- 103% higher PassMark: 28,049 vs 13,837
General
| Spec | Intel Core i7-1355U | Intel Core Ultra 5 225H |
|---|---|---|
| Announced | 2023 | 2025 |
| Process | 10 nm | 3 nm+70% |
| Base TDP | 15 W+46% | 28 W |
| Max TDP | 55 W | 115 W+109% |
Cores & Clocks
| Spec | Intel Core i7-1355U | Intel Core Ultra 5 225H |
|---|---|---|
| Cores | 10 | 14+40% |
| Performance cores | 2 | 4+100% |
| Efficiency cores | 8 | 10+25% |
| Threads | 12 | 14+17% |
| Base clock | 1.7 GHz | 1.7 GHz |
| Boost clock | 5 GHz+2% | 4.9 GHz |
| L3 cache | 12 MB | 18 MB+50% |
Integrated GPU
| Spec | Intel Core i7-1355U | Intel Core Ultra 5 225H |
|---|---|---|
| iGPU | Intel Iris Xe (96 EU) | Intel Arc 130T |
| iGPU clock | 1,300 MHz | 2,200 MHz |
Memory
| Spec | Intel Core i7-1355U | Intel Core Ultra 5 225H |
|---|---|---|
| Memory support | LPDDR5-6400 / DDR5-5200 / DDR4-3200 / LPDDR4X-4267 | LPDDR5X-8400 / DDR5-6400 |
| Max memory | 96 GB | 128 GB+33% |
Benchmarks
| Spec | Intel Core i7-1355U | Intel Core Ultra 5 225H |
|---|---|---|
| Geekbench 6 (single) | 2,491Top 50% | 2,727+9%Top 37% |
| Geekbench 6 (multi) | 8,984Bottom 32% | 12,222+36%Top 45% |
| Cinebench R23 (single) | 1,805Top 38% | 1,969+9%Top 22% |
| Cinebench R23 (multi) | 8,637Bottom 29% | 14,630+69%Top 37% |
| PassMark | 13,837Bottom 27% | 28,049+103%Top 26% |
| 3DMark Time Spy Graphics (iGPU) | 1,496Top 42% | 2,378+59%Top 30% |
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