Intel Core i5-8250U vs Intel Core i7-1255U
31.5Single-core52.8
24Multi-core32.6
66.4Efficiencyspec-based75.3
25.8iGPU55.7
35Platformspec-based47.7
1 spec wins — Intel Core i5-8250U14 spec wins — Intel Core i7-1255U
InnoReviews verdict
Intel Core i7-1255U wins this laptop processor face-off, 48.6 to 34.1, pulling ahead mainly in iGPU (+30) and single-core (+21). Intel Core i5-8250U 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 i5-8250U
- 100% higher Performance cores: 4 vs 2
Reasons to pick the Intel Core i7-1255U
- Stronger single-core score: 53 vs 32
- Stronger multi-core score: 33 vs 24
- Stronger iGPU score: 56 vs 26
- 285% higher 3DMark Time Spy Graphics (iGPU): 1,496 vs 389
- 150% higher cores: 10 vs 4
General
| Spec | Intel Core i5-8250U | Intel Core i7-1255U |
|---|---|---|
| Announced | 2017 | 2022 |
| Process | 14 nm | 10 nm+29% |
| Base TDP | 15 W | 15 W |
| Max TDP | 25 W | 55 W+120% |
Cores & Clocks
| Spec | Intel Core i5-8250U | Intel Core i7-1255U |
|---|---|---|
| Cores | 4 | 10+150% |
| Performance cores | 4+100% | 2 |
| Efficiency cores | 0 | 8 |
| Threads | 8 | 12+50% |
| Base clock | 1.6 GHz | 1.7 GHz+6% |
| Boost clock | 3.4 GHz | 4.7 GHz+38% |
| L3 cache | 6 MB | 12 MB+100% |
Integrated GPU
| Spec | Intel Core i5-8250U | Intel Core i7-1255U |
|---|---|---|
| iGPU | Intel UHD Graphics 620 | Intel Iris Xe (96 EU) |
| iGPU clock | 1,100 MHz | 1,250 MHz |
Memory
| Spec | Intel Core i5-8250U | Intel Core i7-1255U |
|---|---|---|
| Memory support | DDR4-2400 / LPDDR3-2133 | LPDDR5-5200 / DDR5-4800 / LPDDR4X-4267 |
| Max memory | 32 GB | 64 GB+100% |
Benchmarks
| Spec | Intel Core i5-8250U | Intel Core i7-1255U |
|---|---|---|
| Geekbench 6 (single) | — | 2,130Bottom 25% |
| Geekbench 6 (multi) | — | 6,600Bottom 17% |
| Cinebench R23 (single) | 874Bottom 6% | 1,600+83%Bottom 41% |
| Cinebench R23 (multi) | 3,108Bottom 7% | 6,800+119%Bottom 20% |
| PassMark | 5,777Bottom 7% | 12,941+124%Bottom 25% |
| 3DMark Time Spy Graphics (iGPU) | 389Bottom 8% | 1,496+285%Top 42% |
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