Intel Core i7-1255U vs Intel Core Ultra 5 226V
35.6Single-core43.3
20Multi-core25.6
75.3Efficiency88.5
34iGPU58
47.7Platform32.7
8 spec wins — Intel Core i7-1255U10 spec wins — Intel Core Ultra 5 226V
InnoReviews verdict
Intel Core Ultra 5 226V wins this laptop processor face-off, 43.8 to 37.8, pulling ahead mainly in iGPU (+24) and efficiency (+13). Intel Core i7-1255U 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 i7-1255U
- Stronger platform score: 48 vs 33
- 300% higher Max memory: 64 GB vs 16 GB
- 100% higher Efficiency cores: 8 vs 4
- 50% higher threads: 12 vs 8
- 50% higher L3 cache: 12 MB vs 8 MB
Reasons to pick the Intel Core Ultra 5 226V
- Stronger Single-core score: 43 vs 36
- Stronger Multi-core score: 26 vs 20
- Stronger efficiency score: 89 vs 75
- Stronger iGPU score: 58 vs 34
- 100% higher Performance cores: 4 vs 2
General
| Spec | Intel Core i7-1255U | Intel Core Ultra 5 226V |
|---|---|---|
| Announced | 2022 | 2024 |
| Process | 10 nm | 3 nm+70% |
| Base TDP | 15 W+12% | 17 W |
| Max TDP | 55 W+49% | 37 W |
Cores & Clocks
| Spec | Intel Core i7-1255U | Intel Core Ultra 5 226V |
|---|---|---|
| Cores | 10+25% | 8 |
| Performance cores | 2 | 4+100% |
| Efficiency cores | 8+100% | 4 |
| Threads | 12+50% | 8 |
| Base clock | 1.7 GHz | 2.1 GHz+24% |
| Boost clock | 4.7 GHz+4% | 4.5 GHz |
| L3 cache | 12 MB+50% | 8 MB |
Integrated GPU
| Spec | Intel Core i7-1255U | Intel Core Ultra 5 226V |
|---|---|---|
| iGPU | Intel Iris Xe (96 EU) | Intel Arc 130V |
| iGPU clock | 1,250 MHz | 1,850 MHz+48% |
Memory
| Spec | Intel Core i7-1255U | Intel Core Ultra 5 226V |
|---|---|---|
| Memory support | LPDDR5-5200 / DDR5-4800 / LPDDR4X-4267 | LPDDR5X-8533 (on-package) |
| Max memory | 64 GB+300% | 16 GB |
Benchmarks
| Spec | Intel Core i7-1255U | Intel Core Ultra 5 226V |
|---|---|---|
| Geekbench 6 (single) | 2,130 | 2,450+15% |
| Geekbench 6 (multi) | 6,600 | 9,700+47% |
| Cinebench R23 (single) | 1,600 | 1,650+3% |
| Cinebench R23 (multi) | 6,800 | 8,700+28% |
| PassMark | 13,000 | 20,300+56% |
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