i7-2655QM vs A6-6400K
Primary details
Comparing A6-6400K and Core i7-2655QM processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 2498 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Desktop processor | Laptop |
| Series | AMD A-Series (Desktop) | Intel Core i7 |
| Power efficiency | 1.37 | no data |
| Architecture codename | Richland (2013−2014) | Sandy Bridge (2011−2013) |
| Release date | 1 June 2013 (11 years ago) | 4 September 2011 (13 years ago) |
Detailed specifications
A6-6400K and Core i7-2655QM 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) | 4 (Quad-Core) |
| Threads | 2 | 8 |
| Base clock speed | 3.9 GHz | no data |
| Boost clock speed | 4.1 GHz | 2.1 GHz |
| Bus type | no data | DMI 2.0 |
| Bus rate | no data | 4 × 5 GT/s |
| Multiplier | no data | 21 |
| L1 cache | 96 KB | 256 KB |
| L2 cache | 1024 KB | 1 MB |
| L3 cache | 0 KB | 6 MB |
| Chip lithography | 32 nm | 32 nm |
| Die size | 246 mm2 | 216 mm2 |
| Maximum core temperature | 70 °C | no data |
| Maximum case temperature (TCase) | 70 °C | no data |
| Number of transistors | 1,178 million | 1160 Million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
| Unlocked multiplier | + | - |
Compatibility
Information on A6-6400K and Core i7-2655QM 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 | FM2 | no data |
| Power consumption (TDP) | 65 Watt | 45 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by A6-6400K and Core i7-2655QM. You'll probably need this information if you require some particular technology.
| Instruction set extensions | MMX, SSE1-4a, AES, ABM, AVX, BMI1, AMD64, VT, EVP, Turbo Core 3.0 | no data |
| AES-NI | + | + |
| FMA | FMA4 | + |
| AVX | + | + |
| PowerNow | + | - |
| PowerGating | + | - |
| VirusProtect | + | - |
| vPro | no data | + |
| Enhanced SpeedStep (EIST) | no data | + |
Security technologies
A6-6400K and Core i7-2655QM technologies aimed at improving security, for example, by protecting against hacks.
| TXT | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by A6-6400K and Core i7-2655QM 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 A6-6400K and Core i7-2655QM. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3-1866 | no data |
| Maximum memory size | no data | 16 GB |
| Max memory channels | 2 | no data |
| Maximum memory bandwidth | no data | 21.335 GB/s |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card Compare | AMD Radeon HD 8470D | Intel HD Graphics 3000 |
| Number of pipelines | 192 | no data |
| Enduro | + | - |
| Switchable graphics | + | - |
| UVD | + | - |
| VCE | + | - |
Graphics interfaces
Available interfaces and connections of A6-6400K and Core i7-2655QM integrated GPUs.
| DisplayPort | + | - |
| HDMI | + | - |
Graphics API support
APIs supported by A6-6400K and Core i7-2655QM integrated GPUs, sometimes API versions are included.
| DirectX | DirectX® 11 | no data |
Peripherals
Specifications and connection of peripherals supported by A6-6400K and Core i7-2655QM.
| PCIe version | 2.0 | no data |
Pros & cons summary
| Integrated graphics card | 0.97 | 0.66 |
| Recency | 1 June 2013 | 4 September 2011 |
| Physical cores | 2 | 4 |
| Threads | 2 | 8 |
| Power consumption (TDP) | 65 Watt | 45 Watt |
A6-6400K has 47% faster integrated GPU, and an age advantage of 1 year.
i7-2655QM, on the other hand, has 100% more physical cores and 300% more threads, and 44.4% lower power consumption.
We couldn't decide between A6-6400K and Core i7-2655QM. We've got no test results to judge.
Note that A6-6400K is a desktop processor while Core i7-2655QM is a notebook one.
Should you still have questions on choice between A6-6400K and Core i7-2655QM, ask them in Comments section, and we shall answer.
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