Atom E3815 vs i5-2400
Primary details
Comparing Core i5-2400 and Atom E3815 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 1758 | not rated |
| Place by popularity | 39 | not in top-100 |
| Cost-effectiveness evaluation | 0.86 | no data |
| Market segment | Desktop processor | Laptop |
| Series | Core i5 (Desktop) | Atom |
| Power efficiency | 2.43 | no data |
| Architecture codename | Sandy Bridge (2011−2013) | Bay Trail-I (2013) |
| Release date | 9 January 2011 (13 years ago) | 8 October 2013 (11 years ago) |
| Launch price (MSRP) | $60 | $134 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
Core i5-2400 and Atom E3815 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) | 1 (Single-Core) |
| Threads | 4 | 1 |
| Base clock speed | 3.1 GHz | no data |
| Boost clock speed | 3.4 GHz | 1.47 GHz |
| Bus rate | 5 GT/s | no data |
| L1 cache | 64 KB (per core) | 64 KB (per core) |
| L2 cache | 256 KB (per core) | 512 KB (per core) |
| L3 cache | 6144 KB (shared) | 0 KB |
| Chip lithography | 32 nm | 22 nm |
| Die size | 216 mm2 | no data |
| Maximum core temperature | 73 °C | no data |
| Number of transistors | 1,160 million | no data |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
Compatibility
Information on Core i5-2400 and Atom E3815 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 | LGA1155 | Intel BGA1170 |
| Power consumption (TDP) | 95 Watt | 5 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core i5-2400 and Atom E3815. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Intel® SSE4.1, Intel® SSE4.2, Intel® AVX | no data |
| AES-NI | + | - |
| AVX | + | - |
| Enhanced SpeedStep (EIST) | + | + |
| Turbo Boost Technology | 2.0 | no data |
| Hyper-Threading Technology | - | no data |
| Idle States | + | no data |
| Thermal Monitoring | + | - |
| Flex Memory Access | + | no data |
| FDI | + | no data |
| Fast Memory Access | + | no data |
Security technologies
Core i5-2400 and Atom E3815 technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | no data |
| EDB | + | no data |
| Identity Protection | + | - |
Virtualization technologies
Virtual machine speed-up technologies supported by Core i5-2400 and Atom E3815 are enumerated here.
| VT-d | + | no data |
| VT-x | + | no data |
| EPT | + | no data |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Core i5-2400 and Atom E3815. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3 | DDR3 |
| Maximum memory size | 32 GB | no data |
| Max memory channels | 2 | no data |
| Maximum memory bandwidth | 21 GB/s | no data |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card Compare | Intel HD Graphics 2000 | Intel HD Graphics |
| Quick Sync Video | + | - |
| Clear Video HD | + | no data |
| Graphics max frequency | 1.1 GHz | no data |
| InTru 3D | + | no data |
Graphics interfaces
Available interfaces and connections of Core i5-2400 and Atom E3815 integrated GPUs.
| Number of displays supported | 2 | no data |
Peripherals
Specifications and connection of peripherals supported by Core i5-2400 and Atom E3815.
| PCIe version | 2.0 | no data |
| PCI Express lanes | 16 | 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.
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.
Pros & cons summary
| Integrated graphics card | 0.55 | 0.77 |
| Recency | 9 January 2011 | 8 October 2013 |
| Physical cores | 4 | 1 |
| Threads | 4 | 1 |
| Chip lithography | 32 nm | 22 nm |
| Power consumption (TDP) | 95 Watt | 5 Watt |
i5-2400 has 300% more physical cores and 300% more threads.
Atom E3815, on the other hand, has 40% faster integrated GPU, an age advantage of 2 years, a 45.5% more advanced lithography process, and 1800% lower power consumption.
We couldn't decide between Core i5-2400 and Atom E3815. We've got no test results to judge.
Note that Core i5-2400 is a desktop processor while Atom E3815 is a notebook one.
Should you still have questions on choice between Core i5-2400 and Atom E3815, ask them in Comments section, and we shall answer.
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