Pentium 4 660 vs A6-6400K
Primary details
Comparing A6-6400K and Pentium 4 660 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 2495 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Desktop processor | Desktop processor |
| Series | AMD A-Series (Desktop) | Pentium 4 |
| Power efficiency | 1.37 | no data |
| Architecture codename | Richland (2013−2014) | Prescott 2M |
| Release date | 1 June 2013 (11 years ago) | no data (2024 years ago) |
Detailed specifications
A6-6400K and Pentium 4 660 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 | 1 |
| Base clock speed | 3.9 GHz | 3.6 GHz |
| Boost clock speed | 4.1 GHz | 3.6 GHz |
| Bus rate | no data | 800 MHz |
| L1 cache | 96 KB | no data |
| L2 cache | 1024 KB | no data |
| L3 cache | 0 KB | 2 MB L2 Cache |
| Chip lithography | 32 nm | 90 nm |
| Die size | 246 mm2 | no data |
| Maximum core temperature | 70 °C | 71 °C |
| Maximum case temperature (TCase) | 70 °C | no data |
| Number of transistors | 1,178 million | no data |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
| Unlocked multiplier | + | - |
| VID voltage range | no data | 1.2V-1.4V |
Compatibility
Information on A6-6400K and Pentium 4 660 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 | no data |
| Socket | FM2 | PLGA775,PPGA775 |
| Power consumption (TDP) | 65 Watt | 115 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by A6-6400K and Pentium 4 660. 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 | + | - |
| Enhanced SpeedStep (EIST) | no data | + |
| Turbo Boost Technology | no data | - |
| Hyper-Threading Technology | no data | + |
| Idle States | no data | + |
| Thermal Monitoring | - | + |
| Demand Based Switching | no data | - |
| FSB parity | no data | - |
Security technologies
A6-6400K and Pentium 4 660 technologies aimed at improving security, for example, by protecting against hacks.
| TXT | no data | - |
| EDB | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by A6-6400K and Pentium 4 660 are enumerated here.
| AMD-V | + | - |
| VT-x | no data | - |
| IOMMU 2.0 | + | - |
Memory specs
Types, maximum amount and channel quantity of RAM supported by A6-6400K and Pentium 4 660. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3-1866 | no data |
| Max memory channels | 2 | no data |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | AMD Radeon HD 8470D | no data |
| Number of pipelines | 192 | no data |
| Enduro | + | - |
| Switchable graphics | + | - |
| UVD | + | - |
| VCE | + | - |
Graphics interfaces
Available interfaces and connections of A6-6400K and Pentium 4 660 integrated GPUs.
| DisplayPort | + | - |
| HDMI | + | - |
Graphics API support
APIs supported by A6-6400K and Pentium 4 660 integrated GPUs, sometimes API versions are included.
| DirectX | DirectX® 11 | no data |
Peripherals
Specifications and connection of peripherals supported by A6-6400K and Pentium 4 660.
| PCIe version | 2.0 | no data |
Pros & cons summary
| Physical cores | 2 | 1 |
| Threads | 2 | 1 |
| Chip lithography | 32 nm | 90 nm |
| Power consumption (TDP) | 65 Watt | 115 Watt |
A6-6400K has 100% more physical cores and 100% more threads, a 181.3% more advanced lithography process, and 76.9% lower power consumption.
We couldn't decide between A6-6400K and Pentium 4 660. We've got no test results to judge.
Should you still have questions on choice between A6-6400K and Pentium 4 660, ask them in Comments section, and we shall answer.
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