i5-12400F vs Atom E3815
Aggregate performance score
Core i5-12400F outperforms Atom E3815 by a whopping 10142% based on our aggregate benchmark results.
Primary details
Comparing Atom E3815 and Core i5-12400F processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 3364 | 631 |
| Place by popularity | not in top-100 | 2 |
| Cost-effectiveness evaluation | no data | 46.21 |
| Market segment | Laptop | Desktop processor |
| Series | Atom | no data |
| Power efficiency | 2.27 | 17.88 |
| Architecture codename | Bay Trail-I (2013) | Alder Lake-S (2022) |
| Release date | 8 October 2013 (11 years ago) | 4 January 2022 (2 years ago) |
| Launch price (MSRP) | $134 | $180 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
Atom E3815 and Core i5-12400F 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 | 1 (Single-Core) | 6 (Hexa-Core) |
| Threads | 1 | 12 |
| Base clock speed | no data | 2.5 GHz |
| Boost clock speed | 1.47 GHz | 4.4 GHz |
| L1 cache | 64 KB (per core) | 80K (per core) |
| L2 cache | 512 KB (per core) | 1.25 MB (per core) |
| L3 cache | 0 KB | 18 MB (shared) |
| Chip lithography | 22 nm | Intel 7 nm |
| Die size | no data | 163 mm2 |
| Maximum core temperature | no data | 100 °C |
| 64 bit support | + | + |
| Windows 11 compatibility | - | + |
Compatibility
Information on Atom E3815 and Core i5-12400F 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 | Intel BGA1170 | FCLGA1700 |
| Power consumption (TDP) | 5 Watt | 65 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Atom E3815 and Core i5-12400F. You'll probably need this information if you require some particular technology.
| Instruction set extensions | no data | Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2 |
| AES-NI | - | + |
| AVX | - | + |
| Enhanced SpeedStep (EIST) | + | + |
| Speed Shift | no data | + |
| Turbo Boost Technology | no data | 2.0 |
| Hyper-Threading Technology | no data | + |
| TSX | - | + |
| Idle States | no data | + |
| Thermal Monitoring | - | + |
| Turbo Boost Max 3.0 | no data | - |
| Deep Learning Boost | - | + |
Security technologies
Atom E3815 and Core i5-12400F technologies aimed at improving security, for example, by protecting against hacks.
| TXT | no data | + |
| EDB | no data | + |
| Secure Key | no data | + |
| OS Guard | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Atom E3815 and Core i5-12400F are enumerated here.
| AMD-V | - | + |
| VT-d | no data | + |
| VT-x | no data | + |
| EPT | no data | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Atom E3815 and Core i5-12400F. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3 | DDR5-4800, DDR4-3200 |
| Maximum memory size | no data | 128 GB |
| Max memory channels | no data | 2 |
| Maximum memory bandwidth | no data | 76.8 GB/s |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | Intel HD Graphics | no data |
Peripherals
Specifications and connection of peripherals supported by Atom E3815 and Core i5-12400F.
| PCIe version | no data | 5.0 and 4.0 |
| PCI Express lanes | no data | 20 |
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.
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
| Performance score | 0.12 | 12.29 |
| Recency | 8 October 2013 | 4 January 2022 |
| Physical cores | 1 | 6 |
| Threads | 1 | 12 |
| Power consumption (TDP) | 5 Watt | 65 Watt |
Atom E3815 has 1200% lower power consumption.
i5-12400F, on the other hand, has a 10141.7% higher aggregate performance score, an age advantage of 8 years, and 500% more physical cores and 1100% more threads.
The Core i5-12400F is our recommended choice as it beats the Atom E3815 in performance tests.
Be aware that Atom E3815 is a notebook processor while Core i5-12400F is a desktop one.
Should you still have questions on choice between Atom E3815 and Core i5-12400F, ask them in Comments section, and we shall answer.
Similar processor comparisons
We picked several similar comparisons of processors in the same market segment and performance relatively close to those reviewed on this page.
