Intel Core i5-1240P vs Intel Core i7-1255U
51.5Single-core52.8
39.2Multi-core32.6
60.2Efficiencyspec-based75.3
—iGPU55.7
50.7Platformspec-based47.7
8 spec wins — Intel Core i5-1240P3 spec wins — Intel Core i7-1255U
InnoReviews verdict
This one is close to a dead heat: Intel Core i5-1240P scores 48 against 48.6 for Intel Core i7-1255U. Pick by the categories that matter to you — Intel Core i7-1255U edges ahead in single-core, or by price.
Which would you pick?
Key differences
Reasons to pick the Intel Core i5-1240P
- Stronger multi-core score: 39 vs 33
- 100% higher Performance cores: 4 vs 2
- 57% higher Geekbench 6 (multi): 10,364 vs 6,600
- 33% higher threads: 16 vs 12
- 22% higher Cinebench R23 (multi): 8,274 vs 6,800
Reasons to pick the Intel Core i7-1255U
- 46% lower Base TDP: 15 W vs 28 W
General
| Spec | Intel Core i5-1240P | Intel Core i7-1255U |
|---|---|---|
| Announced | 2022 | 2022 |
| Process | 10 nm | 10 nm |
| Base TDP | 28 W | 15 W+46% |
| Max TDP | 64 W+16% | 55 W |
Cores & Clocks
| Spec | Intel Core i5-1240P | Intel Core i7-1255U |
|---|---|---|
| Cores | 12+20% | 10 |
| Performance cores | 4+100% | 2 |
| Efficiency cores | 8 | 8 |
| Threads | 16+33% | 12 |
| Base clock | 1.7 GHz | 1.7 GHz |
| Boost clock | 4.4 GHz | 4.7 GHz+7% |
| L3 cache | 12 MB | 12 MB |
Integrated GPU
| Spec | Intel Core i5-1240P | Intel Core i7-1255U |
|---|---|---|
| iGPU | Intel Iris Xe (80 EU) | Intel Iris Xe (96 EU) |
| iGPU clock | 1,300 MHz | 1,250 MHz |
Memory
| Spec | Intel Core i5-1240P | Intel Core i7-1255U |
|---|---|---|
| Memory support | LPDDR5-5200 / DDR5-4800 / LPDDR4x-4267 / DDR4-3200 | LPDDR5-5200 / DDR5-4800 / LPDDR4X-4267 |
| Max memory | 64 GB | 64 GB |
Benchmarks
| Spec | Intel Core i5-1240P | Intel Core i7-1255U |
|---|---|---|
| Geekbench 6 (single) | 2,209+4%Bottom 31% | 2,130Bottom 25% |
| Geekbench 6 (multi) | 10,364+57%Bottom 42% | 6,600Bottom 17% |
| Cinebench R23 (single) | 1,475Bottom 29% | 1,600+8%Bottom 41% |
| Cinebench R23 (multi) | 8,274+22%Bottom 26% | 6,800Bottom 20% |
| PassMark | 15,707+21%Bottom 33% | 12,941Bottom 25% |
| 3DMark Time Spy Graphics (iGPU) | — | 1,496Top 42% |
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