i5-7640K vs A8-3870K
Primary details
Comparing A8-3870K and Core i5-7640K processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 2175 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Desktop processor | Desktop processor |
| Power efficiency | 1.39 | no data |
| Architecture codename | Llano (2011−2012) | Kaby Lake-X (2017) |
| Release date | 20 December 2011 (13 years ago) | no data |
Detailed specifications
A8-3870K and Core i5-7640K 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 | no data |
| Base clock speed | 3 GHz | no data |
| Boost clock speed | 3 GHz | 3.9 GHz |
| L1 cache | 128 KB (per core) | 64 KB (per core) |
| L2 cache | 1 MB (per core) | 256 KB (per core) |
| L3 cache | 0 KB | 6144 KB (shared) |
| Chip lithography | 32 nm | 14 nm |
| Die size | 228 mm2 | no data |
| Maximum case temperature (TCase) | no data | 72 °C |
| Number of transistors | 1,178 million | no data |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
| Unlocked multiplier | + | + |
Compatibility
Information on A8-3870K and Core i5-7640K 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 | FM1 | 1151 |
| Power consumption (TDP) | 100 Watt | 112 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by A8-3870K and Core i5-7640K. You'll probably need this information if you require some particular technology.
| AES-NI | - | + |
| AVX | - | + |
| Enhanced SpeedStep (EIST) | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by A8-3870K and Core i5-7640K are enumerated here.
| AMD-V | + | - |
| VT-x | no data | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by A8-3870K and Core i5-7640K. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3 | DDR4 |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | AMD Radeon HD 6550D | no data |
Pros & cons summary
| Chip lithography | 32 nm | 14 nm |
| Power consumption (TDP) | 100 Watt | 112 Watt |
A8-3870K has 12% lower power consumption.
i5-7640K, on the other hand, has a 128.6% more advanced lithography process.
We couldn't decide between A8-3870K and Core i5-7640K. We've got no test results to judge.
Should you still have questions on choice between A8-3870K and Core i5-7640K, ask them in Comments section, and we shall answer.
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