Intel Core i5-1240P vs Intel Core Ultra 7 255H
51.5Single-core69.7
39.2Multi-core56.8
60.2Efficiencyspec-based75.7
—iGPU75.9
50.7Platformspec-based60.5
0 spec wins — Intel Core i5-1240P15 spec wins — Intel Core Ultra 7 255H
InnoReviews verdict
Intel Core Ultra 7 255H wins this laptop processor face-off, 65.3 to 48, pulling ahead mainly in single-core (+18) and multi-core (+18). Intel Core i5-1240P 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 i5-1240P
No decisive spec advantages — this side competes on price and preference.
Reasons to pick the Intel Core Ultra 7 255H
- Stronger single-core score: 70 vs 52
- Stronger multi-core score: 57 vs 39
- 125% higher Cinebench R23 (multi): 18,624 vs 8,274
- 100% higher L3 cache: 24 MB vs 12 MB
- 100% higher Max memory: 128 GB vs 64 GB
General
| Spec | Intel Core i5-1240P | Intel Core Ultra 7 255H |
|---|---|---|
| Announced | 2022 | 2025 |
| Process | 10 nm | 3 nm+70% |
| Base TDP | 28 W | 28 W |
| Max TDP | 64 W | 115 W+80% |
Cores & Clocks
| Spec | Intel Core i5-1240P | Intel Core Ultra 7 255H |
|---|---|---|
| Cores | 12 | 16+33% |
| Performance cores | 4 | 6+50% |
| Efficiency cores | 8 | 10+25% |
| Threads | 16 | 16 |
| Base clock | 1.7 GHz | 2 GHz+18% |
| Boost clock | 4.4 GHz | 5.1 GHz+16% |
| L3 cache | 12 MB | 24 MB+100% |
Integrated GPU
| Spec | Intel Core i5-1240P | Intel Core Ultra 7 255H |
|---|---|---|
| iGPU | Intel Iris Xe (80 EU) | Intel Arc 140T |
| iGPU clock | 1,300 MHz | 2,250 MHz |
Memory
| Spec | Intel Core i5-1240P | Intel Core Ultra 7 255H |
|---|---|---|
| Memory support | LPDDR5-5200 / DDR5-4800 / LPDDR4x-4267 / DDR4-3200 | LPDDR5X-8400 / DDR5-6400 |
| Max memory | 64 GB | 128 GB+100% |
Benchmarks
| Spec | Intel Core i5-1240P | Intel Core Ultra 7 255H |
|---|---|---|
| Geekbench 6 (single) | 2,209Bottom 31% | 2,851+29%Top 29% |
| Geekbench 6 (multi) | 10,364Bottom 42% | 15,362+48%Top 23% |
| Cinebench R23 (single) | 1,475Bottom 29% | 2,055+39%Top 18% |
| Cinebench R23 (multi) | 8,274Bottom 26% | 18,624+125%Top 20% |
| PassMark | 15,707Bottom 33% | 30,782+96%Top 21% |
| 3DMark Time Spy Graphics (iGPU) | — | 3,719Top 7% |
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