A4-5145M vs A8-4557M
Primary details
Comparing A8-4557M and A4-5145M 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 | Laptop |
| Series | AMD A-Series | AMD A-Series |
| Architecture codename | Trinity (2012−2013) | Richland (2013−2014) |
| Release date | 15 May 2012 (12 years ago) | 1 June 2013 (11 years ago) |
Detailed specifications
A8-4557M and A4-5145M 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) | 2 (Dual-core) |
| Threads | 4 | 2 |
| Base clock speed | 1.9 GHz | 2 GHz |
| Boost clock speed | 2.8 GHz | 2.6 GHz |
| L1 cache | no data | 128 KB (per core) |
| L2 cache | 4 MB | 512K (per core) |
| L3 cache | no data | 0 KB |
| Chip lithography | 32 nm | 32 nm |
| Die size | 246 mm2 | 246 mm2 |
| Maximum case temperature (TCase) | no data | 71 °C |
| Number of transistors | 1303 Million | 1,178 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
Compatibility
Information on A8-4557M and A4-5145M 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 | FP2 |
| Power consumption (TDP) | 35 Watt | 17 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by A8-4557M and A4-5145M. 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 | 86x SSE (1, 2, 3, 3S, 4.1, 4.2, 4A),-64, AES, AVX, FMA |
| AES-NI | + | + |
| FMA | + | + |
| AVX | + | + |
Virtualization technologies
Virtual machine speed-up technologies supported by A8-4557M and A4-5145M are enumerated here.
| AMD-V | - | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by A8-4557M and A4-5145M. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | no data | DDR3 |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card Compare | AMD Radeon HD 7640G (497 - 655 MHz) | AMD Radeon HD 8310G (424 - 554 MHz) |
Pros & cons summary
| Recency | 15 May 2012 | 1 June 2013 |
| Physical cores | 4 | 2 |
| Threads | 4 | 2 |
| Power consumption (TDP) | 35 Watt | 17 Watt |
A8-4557M has 100% more physical cores and 100% more threads.
A4-5145M, on the other hand, has an age advantage of 1 year, and 105.9% lower power consumption.
We couldn't decide between A8-4557M and A4-5145M. We've got no test results to judge.
Should you still have questions on choice between A8-4557M and A4-5145M, ask them in Comments section, and we shall answer.
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