A10-4657M vs Mobile Sempron SI-42
Aggregate performance score
A10-4657M outperforms Mobile Sempron SI-42 by a whopping 426% based on our aggregate benchmark results.
Primary details
Comparing processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 3466 | 2658 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Laptop |
| Series | AMD Mobile Sempron | AMD A-Series |
| Power efficiency | 0.32 | 1.21 |
| Designer | AMD | AMD |
| Architecture codename | Sable (2008−2009) | Trinity (2012−2013) |
| Release date | 1 September 2009 (16 years ago) | 1 April 2013 (12 years ago) |
Detailed specifications
Mobile Sempron SI-42 and A10-4657M 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 | 1 (Single-Core) | 4 (Quad-Core) |
| Threads | 1 | 4 |
| Base clock speed | no data | 2.3 GHz |
| Boost clock speed | 2.1 GHz | 3.2 GHz |
| Bus rate | 1800 MHz | no data |
| L1 cache | 128 KB | no data |
| L2 cache | 512 KB | 4 MB |
| Chip lithography | 65 nm | 32 nm |
| Die size | no data | 246 mm2 |
| Maximum core temperature | 100 °C | no data |
| Number of transistors | no data | 1303 Million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
Compatibility
Information on Mobile Sempron SI-42 and A10-4657M 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.
| Socket | S1g2 | BGA |
| Power consumption (TDP) | 25 Watt | 35 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Mobile Sempron SI-42 and A10-4657M. You'll probably need this information if you require some particular technology.
| Instruction set extensions | 65 nm, 1.075 - 1.125 | 86x SSE (1, 2, 3, 3S, 4.1, 4.2, 4A),-64, AES, AVX, FMA |
| AES-NI | - | + |
| FMA | - | + |
| AVX | - | + |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | no data | AMD Radeon HD 7660G (497 - 686 MHz) |
Pros & cons summary
| Performance score | 0.19 | 1.00 |
| Recency | 1 September 2009 | 1 April 2013 |
| Physical cores | 1 | 4 |
| Threads | 1 | 4 |
| Chip lithography | 65 nm | 32 nm |
| Power consumption (TDP) | 25 Watt | 35 Watt |
Mobile Sempron SI-42 has 40% lower power consumption.
A10-4657M, on the other hand, has a 426.3% higher aggregate performance score, an age advantage of 3 years, 300% more physical cores and 300% more threads, and a 103.1% more advanced lithography process.
The AMD A10-4657M is our recommended choice as it beats the AMD Mobile Sempron SI-42 in performance tests.
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