Intel Celeron N4020 vs Intel Core Ultra 7 255HX
20Single-core72.8
20Multi-core73.8
73.3Efficiencyspec-based44.4
20iGPU—
20Platformspec-based69.6
1 spec wins — Intel Celeron N402014 spec wins — Intel Core Ultra 7 255HX
InnoReviews verdict
Intel Core Ultra 7 255HX wins this laptop processor face-off, 67.9 to 28, pulling ahead mainly in multi-core (+54) and single-core (+53). Intel Celeron N4020 still makes sense if its price or standout specs fit your needs better.
Which would you pick?
Key differences
Reasons to pick the Intel Celeron N4020
- 89% lower Base TDP: 6 W vs 55 W
Reasons to pick the Intel Core Ultra 7 255HX
- Stronger single-core score: 73 vs 20
- Stronger multi-core score: 74 vs 20
- 5059% higher Cinebench R23 (multi): 31,781 vs 616
- 3100% higher Max memory: 256 GB vs 8 GB
- 3031% higher PassMark: 47,933 vs 1,531
General
| Spec | Intel Celeron N4020 | Intel Core Ultra 7 255HX |
|---|---|---|
| Announced | 2019 | 2025 |
| Process | 14 nm | 3 nm+79% |
| Base TDP | 6 W+89% | 55 W |
| Max TDP | 15 W | 160 W+967% |
Cores & Clocks
| Spec | Intel Celeron N4020 | Intel Core Ultra 7 255HX |
|---|---|---|
| Cores | 2 | 20+900% |
| Performance cores | 0 | 8 |
| Efficiency cores | 2 | 12+500% |
| Threads | 2 | 20+900% |
| Base clock | 1.1 GHz | 2.4 GHz+118% |
| Boost clock | 2.8 GHz | 5.2 GHz+86% |
| L3 cache | 4 MB | 30 MB+650% |
Integrated GPU
| Spec | Intel Celeron N4020 | Intel Core Ultra 7 255HX |
|---|---|---|
| iGPU | Intel UHD Graphics 600 (12 EU) | Intel Graphics (4 Xe-cores) |
| iGPU clock | 650 MHz | 1,850 MHz |
Memory
| Spec | Intel Celeron N4020 | Intel Core Ultra 7 255HX |
|---|---|---|
| Memory support | DDR4-2400, LPDDR4-2400 | DDR5-6400 |
| Max memory | 8 GB | 256 GB+3100% |
Benchmarks
| Spec | Intel Celeron N4020 | Intel Core Ultra 7 255HX |
|---|---|---|
| Geekbench 6 (single) | — | 2,959Top 17% |
| Geekbench 6 (multi) | — | 17,915Top 12% |
| Cinebench R23 (single) | 308Bottom 1% | 2,154+599%Top 10% |
| Cinebench R23 (multi) | 616Bottom 1% | 31,781+5059%Top 6% |
| PassMark | 1,531Bottom 1% | 47,933+3031%Top 8% |
| 3DMark Time Spy Graphics (iGPU) | 108Bottom 1% | — |
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