Atom E640 vs A6-5400K
Contents
Primary details
Comparing processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 2899 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Desktop processor | Laptop |
| Power efficiency | 1.20 | no data |
| Designer | AMD | Intel |
| Manufacturer | no data | Intel |
| Architecture codename | Trinity (2012−2013) | Tunnel Creek (2010) |
| Release date | 2 October 2012 (13 years ago) | 14 September 2010 (15 years ago) |
Detailed specifications
A6-5400K and Atom E640 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 | 2 (Dual-core) | 1 (Single-Core) |
| Threads | 2 | 2 |
| Base clock speed | 3.6 GHz | no data |
| Boost clock speed | 3.8 GHz | 1 GHz |
| L1 cache | 128 KB (per core) | 64 KB (per core) |
| L2 cache | 1 MB (per core) | 512 KB (per core) |
| L3 cache | 0 KB | 0 KB |
| Chip lithography | 32 nm | 45 nm |
| Die size | 246 mm2 | 26 mm2 |
| Maximum case temperature (TCase) | 70 °C | no data |
| Number of transistors | 1,178 million | 47 million |
| 64 bit support | + | - |
| Windows 11 compatibility | - | - |
| Unlocked multiplier | + | - |
Compatibility
Information on A6-5400K and Atom E640 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 | FM2 | Intel BGA 676 |
| Power consumption (TDP) | 65 Watt | 3 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by A6-5400K and Atom E640. You'll probably need this information if you require some particular technology.
| Enhanced SpeedStep (EIST) | no data | + |
| Hyper-Threading Technology | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by A6-5400K and Atom E640 are enumerated here.
| AMD-V | + | - |
Memory specs
Types, maximum amount and channel quantity of RAM supported by A6-5400K and Atom E640. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3 | DDR2 |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | Radeon HD 7540D | Intel GMA 600 |
Pros & cons summary
| Recency | 2 October 2012 | 14 September 2010 |
| Physical cores | 2 | 1 |
| Chip lithography | 32 nm | 45 nm |
| Power consumption (TDP) | 65 Watt | 3 Watt |
A6-5400K has an age advantage of 2 years, 100% more physical cores, and a 40.6% more advanced lithography process.
Atom E640, on the other hand, has 2066.7% lower power consumption.
We couldn't decide between AMD A6-5400K and Intel Atom E640. We've got no test results to judge.
Note that A6-5400K is a desktop processor while Atom E640 is a notebook one.
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