Atom x5-E3940 vs A4-5100
Aggregate performance score
Atom x5-E3940 outperforms A4-5100 by a considerable 45% based on our aggregate benchmark results.
Primary details
Comparing A4-5100 and Atom x5-E3940 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 2559 | 2303 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Laptop |
| Series | AMD A-Series | 5x Intel Atom |
| Power efficiency | 5.35 | 11.67 |
| Architecture codename | Kabini (2013−2014) | Apollo Lake (2014−2016) |
| Release date | 4 November 2013 (11 years ago) | 30 August 2014 (10 years ago) |
Detailed specifications
A4-5100 and Atom x5-E3940 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 | no data | 1.6 GHz |
| Boost clock speed | 1.55 GHz | 1.8 GHz |
| L1 cache | no data | 56K (per core) |
| L2 cache | 2048 KB | 2 MB (shared) |
| L3 cache | no data | 0 KB |
| Chip lithography | 28 nm | 14 nm |
| Die size | 107 mm2 | no data |
| Maximum case temperature (TCase) | 90 °C | 103 °C |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
Compatibility
Information on A4-5100 and Atom x5-E3940 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 (Uniprocessor) |
| Socket | FT3 | Intel BGA 1296 |
| Power consumption (TDP) | 15 Watt | 10 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by A4-5100 and Atom x5-E3940. You'll probably need this information if you require some particular technology.
| Instruction set extensions | 86x SSE (1, 2, 3, 3S, 4.1, 4.2, 4A),-64, AES, AVX | no data |
| AES-NI | + | + |
| FMA | FMA4 | - |
| AVX | + | - |
| PowerNow | + | - |
| PowerGating | + | - |
| VirusProtect | + | - |
| Enhanced SpeedStep (EIST) | no data | + |
Security technologies
A4-5100 and Atom x5-E3940 technologies aimed at improving security, for example, by protecting against hacks.
| TXT | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by A4-5100 and Atom x5-E3940 are enumerated here.
| AMD-V | + | - |
| VT-d | no data | + |
| VT-x | no data | + |
| IOMMU 2.0 | + | - |
Memory specs
Types, maximum amount and channel quantity of RAM supported by A4-5100 and Atom x5-E3940. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3 | DDR3-1866 |
| Maximum memory size | no data | 8 GB |
| Max memory channels | 1 | no data |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card Compare | AMD Radeon HD 8330 | Intel HD Graphics 500 |
| Enduro | + | - |
| Switchable graphics | + | - |
| UVD | + | - |
| VCE | + | - |
Graphics interfaces
Available interfaces and connections of A4-5100 and Atom x5-E3940 integrated GPUs.
| DisplayPort | + | - |
| HDMI | + | - |
Graphics API support
APIs supported by A4-5100 and Atom x5-E3940 integrated GPUs, sometimes API versions are included.
| DirectX | DirectX® 12 | no data |
| Vulkan | + | - |
Peripherals
Specifications and connection of peripherals supported by A4-5100 and Atom x5-E3940.
| PCIe version | 2.0 | 2.0 |
| PCI Express lanes | 8 | 4 |
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 | 0.88 | 1.28 |
| Integrated graphics card | 0.68 | 0.77 |
| Recency | 4 November 2013 | 30 August 2014 |
| Chip lithography | 28 nm | 14 nm |
| Power consumption (TDP) | 15 Watt | 10 Watt |
Atom x5-E3940 has a 45.5% higher aggregate performance score, 13.2% faster integrated GPU, an age advantage of 9 months, a 100% more advanced lithography process, and 50% lower power consumption.
The Atom x5-E3940 is our recommended choice as it beats the A4-5100 in performance tests.
Should you still have questions on choice between A4-5100 and Atom x5-E3940, ask them in Comments section, and we shall answer.
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