Intel Core i7-1255U vs Intel Core i7-14650HX
52.8Single-core67
32.6Multi-core57.6
75.3Efficiencyspec-based28.9
55.7iGPU—
47.7Platformspec-based70.7
1 spec wins — Intel Core i7-1255U14 spec wins — Intel Core i7-14650HX
InnoReviews verdict
Intel Core i7-14650HX wins this laptop processor face-off, 57.6 to 48.6, pulling ahead mainly in multi-core (+25) and single-core (+14). 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
- 73% lower Base TDP: 15 W vs 55 W
Reasons to pick the Intel Core i7-14650HX
- Stronger single-core score: 67 vs 53
- Stronger multi-core score: 58 vs 33
- 300% higher Performance cores: 8 vs 2
- 201% higher Cinebench R23 (multi): 20,454 vs 6,800
- 200% higher Max memory: 192 GB vs 64 GB
General
| Spec | Intel Core i7-1255U | Intel Core i7-14650HX |
|---|---|---|
| Announced | 2022 | 2024 |
| Process | 10 nm | 10 nm |
| Base TDP | 15 W+73% | 55 W |
| Max TDP | 55 W | 157 W+185% |
Cores & Clocks
| Spec | Intel Core i7-1255U | Intel Core i7-14650HX |
|---|---|---|
| Cores | 10 | 16+60% |
| Performance cores | 2 | 8+300% |
| Efficiency cores | 8 | 8 |
| Threads | 12 | 24+100% |
| Base clock | 1.7 GHz | 2.2 GHz+29% |
| Boost clock | 4.7 GHz | 5.2 GHz+11% |
| L3 cache | 12 MB | 30 MB+150% |
Integrated GPU
| Spec | Intel Core i7-1255U | Intel Core i7-14650HX |
|---|---|---|
| iGPU | Intel Iris Xe (96 EU) | Intel UHD Graphics (16 EU) |
| iGPU clock | 1,250 MHz | 1,600 MHz |
Memory
| Spec | Intel Core i7-1255U | Intel Core i7-14650HX |
|---|---|---|
| Memory support | LPDDR5-5200 / DDR5-4800 / LPDDR4X-4267 | DDR5-5600 / DDR4-3200 |
| Max memory | 64 GB | 192 GB+200% |
Benchmarks
| Spec | Intel Core i7-1255U | Intel Core i7-14650HX |
|---|---|---|
| Geekbench 6 (single) | 2,130Bottom 21% | 2,753+29%Top 31% |
| Geekbench 6 (multi) | 6,600Bottom 16% | 14,451+119%Top 26% |
| Cinebench R23 (single) | 1,600Bottom 35% | 1,969+23%Top 21% |
| Cinebench R23 (multi) | 6,800Bottom 19% | 20,454+201%Top 17% |
| PassMark | 12,941Bottom 23% | 33,366+158%Top 20% |
| 3DMark Time Spy Graphics (iGPU) | 1,496Top 43% | — |
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