Intel Core i5-14450HX vs Intel Core i7-1255U
53.1Single-core52.8
48.3Multi-core32.6
28.9Efficiencyspec-based75.3
—iGPU56.6
61.7Platformspec-based47.7
12 spec wins — Intel Core i5-14450HX2 spec wins — Intel Core i7-1255U
InnoReviews verdict
This one is close to a dead heat: Intel Core i5-14450HX scores 48.6 against 48.7 for Intel Core i7-1255U. Pick by the categories that matter to you, or by price.
Which would you pick?
Key differences
Reasons to pick the Intel Core i5-14450HX
- Stronger multi-core score: 48 vs 33
- 200% higher Performance cores: 6 vs 2
- 200% higher Max memory: 192 GB vs 64 GB
- 185% higher Max TDP: 157 W vs 55 W
- 82% higher PassMark: 23,607 vs 12,941
Reasons to pick the Intel Core i7-1255U
- 100% higher Efficiency cores: 8 vs 4
- 73% lower Base TDP: 15 W vs 55 W
General
| Spec | Intel Core i5-14450HX | Intel Core i7-1255U |
|---|---|---|
| Announced | 2024 | 2022 |
| Process | 10 nm | 10 nm |
| Base TDP | 55 W | 15 W+73% |
| Max TDP | 157 W+185% | 55 W |
Cores & Clocks
| Spec | Intel Core i5-14450HX | Intel Core i7-1255U |
|---|---|---|
| Cores | 10 | 10 |
| Performance cores | 6+200% | 2 |
| Efficiency cores | 4 | 8+100% |
| Threads | 16+33% | 12 |
| Base clock | 2.4 GHz+41% | 1.7 GHz |
| Boost clock | 4.8 GHz+2% | 4.7 GHz |
| L3 cache | 20 MB+67% | 12 MB |
Integrated GPU
| Spec | Intel Core i5-14450HX | Intel Core i7-1255U |
|---|---|---|
| iGPU | Intel UHD Graphics (16 EU) | Intel Iris Xe (96 EU) |
| iGPU clock | 1,500 MHz | 1,250 MHz |
Memory
| Spec | Intel Core i5-14450HX | Intel Core i7-1255U |
|---|---|---|
| Memory support | DDR5-5600 / DDR4-3200 | LPDDR5-5200 / DDR5-4800 / LPDDR4X-4267 |
| Max memory | 192 GB+200% | 64 GB |
Benchmarks
| Spec | Intel Core i5-14450HX | Intel Core i7-1255U |
|---|---|---|
| Geekbench 6 (single) | 2,474+16%Bottom 38% | 2,130Bottom 16% |
| Geekbench 6 (multi) | 11,974+81%Top 48% | 6,600Bottom 12% |
| Cinebench R23 (single) | — | 1,600Bottom 28% |
| Cinebench R23 (multi) | — | 6,800Bottom 12% |
| PassMark | 23,607+82%Top 45% | 12,941Bottom 15% |
| PassMark (single thread) | 3,620+15%Bottom 46% | 3,144Bottom 20% |
| 3DMark Time Spy Graphics (iGPU) | — | 1,561Top 50% |
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