Intel Core i5-13420H vs Intel Core Ultra 7 251HX
56Single-core66.6
38.3Multi-core65.1
40.5Efficiencyspec-based44.4
42.1iGPU—
50.3Platformspec-based68.1
1 spec wins — Intel Core i5-13420H16 spec wins — Intel Core Ultra 7 251HX
InnoReviews verdict
Intel Core Ultra 7 251HX wins this laptop processor face-off, 62.6 to 45.2, pulling ahead mainly in multi-core (+27) and single-core (+11). Intel Core i5-13420H 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 i5-13420H
- 18% lower Base TDP: 45 W vs 55 W
Reasons to pick the Intel Core Ultra 7 251HX
- Stronger single-core score: 67 vs 56
- Stronger multi-core score: 65 vs 38
- 200% higher Efficiency cores: 12 vs 4
- 181% higher PassMark: 47,051 vs 16,769
- 167% higher Max memory: 256 GB vs 96 GB
General
| Spec | Intel Core i5-13420H | Intel Core Ultra 7 251HX |
|---|---|---|
| Announced | 2023 | 2026 |
| Process | 10 nm | 3 nm+70% |
| Base TDP | 45 W+18% | 55 W |
| Max TDP | 115 W | 160 W+39% |
Cores & Clocks
| Spec | Intel Core i5-13420H | Intel Core Ultra 7 251HX |
|---|---|---|
| Cores | 8 | 18+125% |
| Performance cores | 4 | 6+50% |
| Efficiency cores | 4 | 12+200% |
| Threads | 12 | 18+50% |
| Base clock | 2.1 GHz | 2.9 GHz+38% |
| Boost clock | 4.6 GHz | 5.1 GHz+11% |
| L3 cache | 12 MB | 30 MB+150% |
Integrated GPU
| Spec | Intel Core i5-13420H | Intel Core Ultra 7 251HX |
|---|---|---|
| iGPU | Intel UHD Graphics (48 EU) | Intel Graphics (3 Xe) |
| iGPU clock | 1,400 MHz | 1,800 MHz |
Memory
| Spec | Intel Core i5-13420H | Intel Core Ultra 7 251HX |
|---|---|---|
| Memory support | DDR5-5200 / LPDDR5X-5200 / DDR4-3200 / LPDDR4X-4267 | DDR5-6400 |
| Max memory | 96 GB | 256 GB+167% |
Benchmarks
| Spec | Intel Core i5-13420H | Intel Core Ultra 7 251HX |
|---|---|---|
| Geekbench 6 (single) | 2,273Bottom 35% | 2,762+22%Top 33% |
| Geekbench 6 (multi) | 8,158Bottom 26% | 14,233+74%Top 30% |
| Cinebench R23 (single) | 1,681Bottom 50% | 1,941+15%Top 26% |
| Cinebench R23 (multi) | 10,679Bottom 44% | 26,001+143%Top 12% |
| PassMark | 16,769Bottom 38% | 47,051+181%Top 8% |
| 3DMark Time Spy Graphics (iGPU) | 812Bottom 32% | — |
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