Intel Core i5-1240P vs Intel Core Ultra 7 255HX
51.5Single-core72.8
39.2Multi-core73.8
60.2Efficiencyspec-based44.4
50.7Platformspec-based69.6
1 spec wins — Intel Core i5-1240P16 spec wins — Intel Core Ultra 7 255HX
InnoReviews verdict
Intel Core Ultra 7 255HX wins this laptop processor face-off, 67.9 to 48, pulling ahead mainly in multi-core (+35) and single-core (+21). 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
- 49% lower Base TDP: 28 W vs 55 W
Reasons to pick the Intel Core Ultra 7 255HX
- Stronger single-core score: 73 vs 52
- Stronger multi-core score: 74 vs 39
- 300% higher Max memory: 256 GB vs 64 GB
- 284% higher Cinebench R23 (multi): 31,781 vs 8,274
- 205% higher PassMark: 47,933 vs 15,707
General
| Spec | Intel Core i5-1240P | Intel Core Ultra 7 255HX |
|---|---|---|
| Announced | 2022 | 2025 |
| Process | 10 nm | 3 nm+70% |
| Base TDP | 28 W+49% | 55 W |
| Max TDP | 64 W | 160 W+150% |
Cores & Clocks
| Spec | Intel Core i5-1240P | Intel Core Ultra 7 255HX |
|---|---|---|
| Cores | 12 | 20+67% |
| Performance cores | 4 | 8+100% |
| Efficiency cores | 8 | 12+50% |
| Threads | 16 | 20+25% |
| Base clock | 1.7 GHz | 2.4 GHz+41% |
| Boost clock | 4.4 GHz | 5.2 GHz+18% |
| L3 cache | 12 MB | 30 MB+150% |
Integrated GPU
| Spec | Intel Core i5-1240P | Intel Core Ultra 7 255HX |
|---|---|---|
| iGPU | Intel Iris Xe (80 EU) | Intel Graphics (4 Xe-cores) |
| iGPU clock | 1,300 MHz | 1,850 MHz |
Memory
| Spec | Intel Core i5-1240P | Intel Core Ultra 7 255HX |
|---|---|---|
| Memory support | LPDDR5-5200 / DDR5-4800 / LPDDR4x-4267 / DDR4-3200 | DDR5-6400 |
| Max memory | 64 GB | 256 GB+300% |
Benchmarks
| Spec | Intel Core i5-1240P | Intel Core Ultra 7 255HX |
|---|---|---|
| Geekbench 6 (single) | 2,209Bottom 26% | 2,959+34%Top 17% |
| Geekbench 6 (multi) | 10,364Bottom 41% | 17,915+73%Top 12% |
| Cinebench R23 (single) | 1,475Bottom 26% | 2,154+46%Top 10% |
| Cinebench R23 (multi) | 8,274Bottom 25% | 31,781+284%Top 6% |
| PassMark | 15,707Bottom 34% | 47,933+205%Top 8% |
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