Intel Core i7-1255U vs Intel Core Ultra 7 256V
52.8Single-core65.3
32.6Multi-core42.2
75.3Efficiencyspec-based88.5
55.7iGPU76.9
47.7Platformspec-based35.9
6 spec wins — Intel Core i7-1255U11 spec wins — Intel Core Ultra 7 256V
InnoReviews verdict
Intel Core Ultra 7 256V wins this laptop processor face-off, 57.4 to 48.6, pulling ahead mainly in iGPU (+21) and single-core (+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
- 300% higher Max memory: 64 GB vs 16 GB
- 100% higher Efficiency cores: 8 vs 4
- 50% higher threads: 12 vs 8
- 49% higher Max TDP: 55 W vs 37 W
- 25% higher cores: 10 vs 8
Reasons to pick the Intel Core Ultra 7 256V
- Stronger single-core score: 65 vs 53
- Stronger multi-core score: 42 vs 33
- Stronger iGPU score: 77 vs 56
- 160% higher 3DMark Time Spy Graphics (iGPU): 3,883 vs 1,496
- 100% higher Performance cores: 4 vs 2
General
| Spec | Intel Core i7-1255U | Intel Core Ultra 7 256V |
|---|---|---|
| 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 7 256V |
|---|---|---|
| Cores | 10+25% | 8 |
| Performance cores | 2 | 4+100% |
| Efficiency cores | 8+100% | 4 |
| Threads | 12+50% | 8 |
| Base clock | 1.7 GHz | 2.2 GHz+29% |
| Boost clock | 4.7 GHz | 4.8 GHz+2% |
| L3 cache | 12 MB | 12 MB |
Integrated GPU
| Spec | Intel Core i7-1255U | Intel Core Ultra 7 256V |
|---|---|---|
| iGPU | Intel Iris Xe (96 EU) | Intel Arc 140V |
| iGPU clock | 1,250 MHz | 1,950 MHz |
Memory
| Spec | Intel Core i7-1255U | Intel Core Ultra 7 256V |
|---|---|---|
| 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 7 256V |
|---|---|---|
| Geekbench 6 (single) | 2,130Bottom 25% | 2,753+29%Top 35% |
| Geekbench 6 (multi) | 6,600Bottom 17% | 10,850+64%Bottom 47% |
| Cinebench R23 (single) | 1,600Bottom 41% | 1,876+17%Top 31% |
| Cinebench R23 (multi) | 6,800Bottom 20% | 10,244+51%Bottom 41% |
| PassMark | 12,941Bottom 25% | 19,478+51%Bottom 49% |
| 3DMark Time Spy Graphics (iGPU) | 1,496Top 42% | 3,883+160%Top 4% |
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