Atom E3845 vs Celeron N2940
Aggregated performance score
Atom E3845 outperforms Celeron N2940 by 1% based on our aggregated benchmark results.
General info
Comparing Celeron N2940 and Atom E3845 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in performance ranking | 2591 | 2582 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Laptop |
| Series | Intel Celeron | Atom |
| Architecture codename | Bay Trail-M (2013−2014) | Bay Trail-I (2013) |
| Release date | 22 May 2014 (9 years old) | 8 October 2013 (10 years old) |
| Current price | $377 | $781 |
Technical specs
Celeron N2940 and Atom E3845 basic parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters indirectly say of CPU speed, though for more precise assessment you have to consider their test results.
| Physical cores | 4 (Quad-Core) | 4 (Quad-Core) |
| Threads | 4 | 4 |
| Base clock speed | 1.83 GHz | no data |
| Boost clock speed | 2.25 GHz | 1.91 GHz |
| L1 cache | 56K (per core) | 64 KB (per core) |
| L2 cache | 512K (per core) | 512 KB (per core) |
| L3 cache | 0 KB | 0 KB |
| Chip lithography | 22 nm | 22 nm |
| Maximum core temperature | 100 °C | no data |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
| Unlocked multiplier | No | No |
Compatibility
Information on Celeron N2940 and Atom E3845 compatibility with other computer components: motherboard (look for socket type), power supply unit (look for power consumption) etc. Useful when planning a future computer configuration or upgrading an existing one. Note that power consumption of some processors can well exceed their nominal TDP, even without overclocking. Some can even double their declared thermals given that the motherboard allows to tune the CPU power parameters.
| Number of CPUs in a configuration | 1 | 1 |
| Socket | FCBGA1170 | Intel BGA1170 |
| Power consumption (TDP) | 7.5 Watt | 10 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Celeron N2940 and Atom E3845. You'll probably need this information if you require some particular technology.
| AES-NI | - | no data |
| Enhanced SpeedStep (EIST) | + | + |
| Turbo Boost Technology | - | no data |
| Hyper-Threading Technology | - | no data |
| Idle States | + | no data |
| Smart Connect | + | no data |
| Status | Discontinued | no data |
Security technologies
Celeron N2940 and Atom E3845 technologies aimed at improving security, for example, by protecting against hacks.
| EDB | + | no data |
| Secure Key | + | no data |
| Anti-Theft | - | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Celeron N2940 and Atom E3845 are enumerated here.
| VT-d | - | no data |
| VT-x | + | no data |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Celeron N2940 and Atom E3845. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3 | DDR3 |
| Maximum memory size | 8 GB | no data |
| Max memory channels | 2 | no data |
| Maximum memory bandwidth | 21.32 GB/s | no data |
| ECC memory support | - | no data |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | Intel® HD Graphics for Intel Atom® Processor Z3700 Series | Intel HD Graphics |
| Quick Sync Video | + | no data |
| Graphics max frequency | 854 MHz | no data |
Graphics interfaces
Available interfaces and connections of Celeron N2940 and Atom E3845 integrated GPUs.
| Number of displays supported | 2 | no data |
Peripherals
Specifications and connection of peripherals supported by Celeron N2940 and Atom E3845.
| PCIe version | 2.0 | no data |
| PCI Express lanes | 4 | no data |
| USB revision | 3.0 and 2.0 | no data |
| Total number of SATA ports | 2 | no data |
| Number of USB ports | 5 | no data |
Synthetic benchmark performance
Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.
Combined synthetic benchmark score
This is our combined benchmark performance rating. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.
Atom E3845 outperforms Celeron N2940 by 1% based on our aggregated benchmark results.
Passmark
Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance.
Benchmark coverage: 68%
Atom E3845 outperforms Celeron N2940 by 2% in Passmark.
Advantages and disadvantages
| Performance score | 0.67 | 0.68 |
| Recency | 22 May 2014 | 8 October 2013 |
| Power consumption (TDP) | 7 Watt | 10 Watt |
We couldn't decide between Celeron N2940 and Atom E3845. The differences in performance seem too small.
Should you still have questions on choice between Celeron N2940 and Atom E3845, ask them in Comments section, and we shall answer.
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