Intel Celeron N4020 vs Intel Core i5-1235U
20Single-core49.8
20Multi-core31.4
73.3Efficiencyspec-based75.3
20iGPU50.3
20Platformspec-based47.7
1 spec wins — Intel Celeron N402015 spec wins — Intel Core i5-1235U
InnoReviews verdict
Intel Core i5-1235U wins this laptop processor face-off, 46.9 to 28, pulling ahead mainly in iGPU (+30) and single-core (+30). 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
- 60% lower Base TDP: 6 W vs 15 W
Reasons to pick the Intel Core i5-1235U
- Stronger single-core score: 50 vs 20
- Stronger multi-core score: 31 vs 20
- Stronger iGPU score: 50 vs 20
- 993% higher 3DMark Time Spy Graphics (iGPU): 1,175 vs 108
- 906% higher Cinebench R23 (multi): 6,200 vs 616
General
| Spec | Intel Celeron N4020 | Intel Core i5-1235U |
|---|---|---|
| Announced | 2019 | 2022 |
| Process | 14 nm | 10 nm+29% |
| Base TDP | 6 W+60% | 15 W |
| Max TDP | 15 W | 55 W+267% |
Cores & Clocks
| Spec | Intel Celeron N4020 | Intel Core i5-1235U |
|---|---|---|
| Cores | 2 | 10+400% |
| Performance cores | 0 | 2 |
| Efficiency cores | 2 | 8+300% |
| Threads | 2 | 12+500% |
| Base clock | 1.1 GHz | 1.3 GHz+18% |
| Boost clock | 2.8 GHz | 4.4 GHz+57% |
| L3 cache | 4 MB | 12 MB+200% |
Integrated GPU
| Spec | Intel Celeron N4020 | Intel Core i5-1235U |
|---|---|---|
| iGPU | Intel UHD Graphics 600 (12 EU) | Intel Iris Xe (80 EU) |
| iGPU clock | 650 MHz | 1,200 MHz |
Memory
| Spec | Intel Celeron N4020 | Intel Core i5-1235U |
|---|---|---|
| Memory support | DDR4-2400, LPDDR4-2400 | LPDDR5-5200 / DDR5-4800 / LPDDR4X-4267 |
| Max memory | 8 GB | 64 GB+700% |
Benchmarks
| Spec | Intel Celeron N4020 | Intel Core i5-1235U |
|---|---|---|
| Geekbench 6 (single) | — | 2,000Bottom 21% |
| Geekbench 6 (multi) | — | 6,100Bottom 14% |
| Cinebench R23 (single) | 308Bottom 2% | 1,520+394%Bottom 33% |
| Cinebench R23 (multi) | 616Bottom 2% | 6,200+906%Bottom 18% |
| PassMark | 1,531Bottom 1% | 12,415+711%Bottom 23% |
| 3DMark Time Spy Graphics (iGPU) | 108Bottom 2% | 1,175+993%Bottom 45% |
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