Atom E3815 vs i7-4790
Primary details
Comparing Core i7-4790 and Atom E3815 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 1289 | not rated |
| Place by popularity | 71 | not in top-100 |
| Cost-effectiveness evaluation | 0.82 | no data |
| Market segment | Desktop processor | Laptop |
| Series | Core i7 (Desktop) | Atom |
| Power efficiency | 5.16 | no data |
| Architecture codename | Haswell (2013−2015) | Bay Trail-I (2013) |
| Release date | 1 May 2014 (10 years ago) | 8 October 2013 (11 years ago) |
| Launch price (MSRP) | $303 | $134 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
Core i7-4790 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 | 8 | 1 |
| Base clock speed | 3.6 GHz | no data |
| Boost clock speed | 4 GHz | 1.47 GHz |
| Bus rate | 5 GT/s | no data |
| L1 cache | 64K (per core) | 64 KB (per core) |
| L2 cache | 256K (per core) | 512 KB (per core) |
| L3 cache | 8 MB (shared) | 0 KB |
| Chip lithography | 22 nm | 22 nm |
| Die size | 177 mm2 | no data |
| Maximum case temperature (TCase) | 72 °C | no data |
| Number of transistors | 1,400 million | no data |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
Compatibility
Information on Core i7-4790 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 | FCLGA1150 | Intel BGA1170 |
| Power consumption (TDP) | 84 Watt | 5 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core i7-4790 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® AVX2 | no data |
| AES-NI | + | - |
| AVX | + | - |
| vPro | + | no data |
| Enhanced SpeedStep (EIST) | + | + |
| My WiFi | + | no data |
| Turbo Boost Technology | 2.0 | no data |
| Hyper-Threading Technology | + | no data |
| Idle States | + | no data |
| Thermal Monitoring | + | - |
| SIPP | + | - |
| FDI | + | no data |
Security technologies
Core i7-4790 and Atom E3815 technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | no data |
| EDB | + | no data |
| Secure Key | + | no data |
| Identity Protection | + | - |
| OS Guard | + | no data |
| Anti-Theft | + | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Core i7-4790 and Atom E3815 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 Core i7-4790 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 | 25.6 GB/s | no data |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card Compare | Intel HD Graphics 4600 | Intel HD Graphics |
| Max video memory | 2 GB | no data |
| Quick Sync Video | + | - |
| Clear Video HD | + | no data |
| Graphics max frequency | 1.2 GHz | no data |
| InTru 3D | + | no data |
Graphics interfaces
Available interfaces and connections of Core i7-4790 and Atom E3815 integrated GPUs.
| Number of displays supported | 3 | no data |
| eDP | + | no data |
| DisplayPort | + | - |
| HDMI | + | - |
| DVI | + | no data |
| VGA | + | no data |
Graphics image quality
Maximum display resolutions supported by Core i7-4790 and Atom E3815 integrated GPUs, including resolutions over different interfaces.
| Max resolution over HDMI 1.4 | 4096x2304@24Hz | no data |
| Max resolution over eDP | 3840x2160@60Hz | no data |
| Max resolution over DisplayPort | 3840x2160@60Hz | no data |
| Max resolution over VGA | 1920x1200@60Hz | no data |
Graphics API support
APIs supported by Core i7-4790 and Atom E3815 integrated GPUs, sometimes API versions are included.
| DirectX | 11.2/12 | no data |
| OpenGL | 4.3 | no data |
Peripherals
Specifications and connection of peripherals supported by Core i7-4790 and Atom E3815.
| PCIe version | Up to 3.0 | 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 | 1.84 | 0.77 |
| Recency | 1 May 2014 | 8 October 2013 |
| Physical cores | 4 | 1 |
| Threads | 8 | 1 |
| Power consumption (TDP) | 84 Watt | 5 Watt |
i7-4790 has 139% faster integrated GPU, an age advantage of 6 months, and 300% more physical cores and 700% more threads.
Atom E3815, on the other hand, has 1580% lower power consumption.
We couldn't decide between Core i7-4790 and Atom E3815. We've got no test results to judge.
Note that Core i7-4790 is a desktop processor while Atom E3815 is a notebook one.
Should you still have questions on choice between Core i7-4790 and Atom E3815, ask them in Comments section, and we shall answer.
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