i5-7640K vs A8-4557M
Contents
Primary details
Comparing processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | not rated | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Desktop processor |
| Series | AMD A-Series | no data |
| Designer | AMD | Intel |
| Architecture codename | Trinity (2012−2013) | Kaby Lake-X (2017) |
| Release date | 15 May 2012 (14 years ago) | no data |
Detailed specifications
Basic parameters of A8-4557M and Core i5-7640K: 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 | 1.9 GHz | no data |
| Boost clock speed | 2.8 GHz | 3.9 GHz |
| L1 cache | no data | 64 KB (per core) |
| L2 cache | 4 MB | 256 KB (per core) |
| L3 cache | no data | 6144 KB (shared) |
| Chip lithography | 32 nm | 14 nm |
| Die size | 246 mm2 | no data |
| Maximum case temperature (TCase) | no data | 72 °C |
| Number of transistors | 1303 Million | no data |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
| Unlocked multiplier | - | + |
Compatibility
Information on A8-4557M 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 | no data | 1 |
| Socket | BGA | 1151 |
| Power consumption (TDP) | 35 Watt | 112 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by A8-4557M and Core i5-7640K. 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, FMA | no data |
| AES-NI | + | + |
| FMA | + | - |
| AVX | + | + |
| Enhanced SpeedStep (EIST) | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by A8-4557M and Core i5-7640K are enumerated here.
| VT-x | no data | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by A8-4557M and Core i5-7640K. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | no data | DDR4 |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | AMD Radeon HD 7640G (497 - 655 MHz) | no data |
Pros & cons summary
| Chip lithography | 32 nm | 14 nm |
| Power consumption (TDP) | 35 Watt | 112 Watt |
A8-4557M has 220% lower power consumption.
i5-7640K, on the other hand, has a 129% more advanced lithography process.
We couldn't decide between AMD A8-4557M and Intel Core i5-7640K. We've got no test results to judge.
Be aware that A8-4557M is a notebook processor while Core i5-7640K is a desktop one.
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