Winner
Intel Core i3 4005U
CPUBoss recommends the Intel Core i3 4005U based on its .
See full details Intel Core i3 4005U vs Celeron N2840 |
VS
CPUBoss Review Our evaluation of 4005U vs N2840 among laptop CPUs (up to 15W)
Performance | |
Benchmark performance using all cores | |
| PCMark 8 Home 3.0 Accelerated, PassMark and 1 more | |
Single-core Performance | |
Individual core benchmark performance | |
| PassMark (Single Core), Geekbench 3 Single Core and 1 more | |
Integrated Graphics | |
Integrated GPU performance for graphics | |
| Sky Diver and Cloud Gate | |
Integrated Graphics (OpenCL) | |
Integrated GPU performance for parallel computing | |
| CompuBench 1.5 Bitcoin mining and 4 more | |
Performance per Watt | |
How efficiently does the processor use electricity? | |
| Sky Diver, Cloud Gate, CompuBench 1.5 Bitcoin mining and 11 more | |
Value | |
Are you paying a premium for performance? | |
| Sky Diver, Cloud Gate, CompuBench 1.5 Bitcoin mining and 11 more | |
| 5.6 | CPUBoss Score |
Combination of all six facets | |
 | Winner |
Cast your vote Do you agree or disagree with CPUBoss?
VS
Differences What are the advantages of each
| |||||||
| CPUBoss is not aware of any important advantages of the Core i3 4005U vs the Celeron N2840. | |||||||
| |||||||
| CPUBoss is not aware of any important advantages of the Celeron N2840 vs the Core i3 4005U. | |||||||
Report a correction
Benchmarks Real world tests of Core i3 4005U vs Celeron N2840
CompuBench 1.5 (Bitcoin mining) Data courtesy CompuBench
CompuBench 1.5 (Face detection)
CompuBench 1.5 (T-Rex) Data courtesy CompuBench
GeekBench 3 (Multi-core) Data courtesy Primate Labs
GeekBench 3 (Single core) Data courtesy Primate Labs
GeekBench 3 (AES single core) Data courtesy Primate Labs
PassMark Data courtesy Passmark
PassMark (Single Core)
Specifications Full list of technical specs
summary | Core i3 4005U | vs | Celeron N2840 |
|---|---|---|---|
| Clock speed | 1.7 GHz | 2.16 GHz | |
| Cores | Dual core | Dual core | |
| Is unlocked | No | No | |
features | |||
| Has a NX bit | Yes | Yes | |
| Has virtualization support | Yes | Yes | |
| Supports dynamic frequency scaling | Yes | Yes | |
integrated graphics | |||
| GPU | GPU | GPU | |
| Label | HD 4400 series | Intel® HD Graphics | |
| Number of displays supported | 3 | 2 | |
| GPU clock speed | 200 MHz | 311 MHz | |
| Turbo clock speed | 950 MHz | 792 MHz | |
memory controller | |||
| Memory controller | Built-in | Built-in | |
| Memory type | |||
| DDR3 | |||
| Channels | Dual Channel | Dual Channel | |
| Supports ECC | No | No | |
| Maximum bandwidth | 12,800 MB/s | 12,800 MB/s | |
| Maximum memory size | 16,384 MB | 8,192 MB | |
details | Core i3 4005U | vs | Celeron N2840 |
|---|---|---|---|
| Architecture | x86-64 | x86-64 | |
| Threads | 4 | 2 | |
| L2 cache | 0.5 MB | 1 MB | |
| L2 cache per core | 0.25 MB/core | 0.5 MB/core | |
| Manufacture process | 22 nm | 22 nm | |
| Max CPUs | 1 | 1 | |
overclocking | |||
| Overclocked clock speed | 1.81 GHz | 2.58 GHz | |
| Overclocked clock speed (Water) | 1.7 GHz | 2.17 GHz | |
| Overclocked clock speed (Air) | 1.81 GHz | 2.58 GHz | |
power consumption | |||
| TDP | 15W | 7.5W | |
| Annual home energy cost | 3.61 $/year | 1.81 $/year | |
| Performance per watt | 28.25 pt/W | 7.05 pt/W | |
| Typical power consumption | 12.19W | 6.09W | |
bus | |||
| Architecture | DMI 2.0 | FSB | |
| Number of links | 1 | 1 | |
 Intel Core i3 4005U  Report a correction |  Intel Celeron N2840 Report a correction |
Laptops
Looking for a laptop?
- 42 laptops with the Intel Core i3 4005U, starting from $270
- 28 laptops with the Intel Celeron N2840, starting from $161
Follow us
Compare
Related Comparisons
 | VS |  |
| $275 | $161 | |
| 4005U vs N3540 | ||
| | VS |  |
| $275 | ||
| 4005U vs 7110 | ||
| | VS |  |
| $275 | $275 | |
| 4005U vs 5005U | ||
| | VS |  |
| $275 | $107 | |
| 4005U vs N3050 | ||
 | VS |  |
| $107 | $281 | |
| N2840 vs 4010U | ||
| | VS | |
| $107 | $107 | |
| N2840 vs N3050 | ||
| | VS | |
| $107 | $161 | |
| N2840 vs N3540 | ||
Popular Comparisons
 | VS |  |
| $305 | $300 | |
| W3520 vs 2500 | ||
 | VS |  |
| $281 | ||
| 6200U vs 7th Gen A9-9410 | ||
 | VS |  |
| $272 | $350 | |
| 4790K vs 6700K | ||
 | VS |  |
| $281 | ||
| 4200U vs 6410 | ||
 | VS |  |
| $180 | ||
| 3470 vs 5200 | ||
| | VS |  |
| $350 | ||
| 6700K vs 7th Gen A12-9700P | ||
 | VS |  |
| $125 | $50 | |
| 3220 vs 5300 | ||
