Mobile Sempron SI-42 vs A6-3420M
Aggregate performance score
A6-3420M outperforms Mobile Sempron SI-42 by a whopping 286% based on our aggregate benchmark results.
Primary details
Comparing A6-3420M and Mobile Sempron SI-42 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 2606 | 3219 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Laptop |
| Series | AMD A-Series | AMD Mobile Sempron |
| Power efficiency | 2.19 | 0.79 |
| Architecture codename | Llano (2011−2012) | Sable (2008−2009) |
| Release date | 20 December 2011 (13 years ago) | 1 September 2009 (15 years ago) |
Detailed specifications
A6-3420M and Mobile Sempron SI-42 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) | 1 (Single-Core) |
| Threads | 4 | 1 |
| Base clock speed | 1.5 GHz | no data |
| Boost clock speed | 2.4 GHz | 2.1 GHz |
| Bus rate | no data | 1800 MHz |
| L1 cache | 128 KB (per core) | 128 KB |
| L2 cache | 1 MB (per core) | 512 KB |
| L3 cache | 0 KB | no data |
| Chip lithography | 32 nm | 65 nm |
| Die size | 228 mm2 | no data |
| Maximum core temperature | no data | 100 °C |
| Number of transistors | 1,178 million | no data |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
Compatibility
Information on A6-3420M and Mobile Sempron SI-42 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 | FS1 | S1g2 |
| Power consumption (TDP) | 35 Watt | 25 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by A6-3420M and Mobile Sempron SI-42. You'll probably need this information if you require some particular technology.
| Instruction set extensions | 3DNow!, MMX, SSE, SSE2, SSE3, SSE4a, Radeon HD 6480G | 65 nm, 1.075 - 1.125 |
Virtualization technologies
Virtual machine speed-up technologies supported by A6-3420M and Mobile Sempron SI-42 are enumerated here.
| AMD-V | + | - |
Memory specs
Types, maximum amount and channel quantity of RAM supported by A6-3420M and Mobile Sempron SI-42. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3 | no data |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | AMD Radeon HD 6520G (400 MHz) | no data |
Synthetic benchmark performance
Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.
Combined synthetic benchmark score
This is our combined benchmark performance rating. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.
3DMark06 CPU
3DMark06 is a discontinued DirectX 9 benchmark suite from Futuremark. Its CPU part contains two scenarios, one dedicated to artificial intelligence pathfinding, another to game physics using PhysX package.
wPrime 32
wPrime 32M is a math multi-thread processor test, which calculates square roots of first 32 million integer numbers. Its result is measured in seconds, so that the less is benchmark result, the faster the processor.
Pros & cons summary
| Performance score | 0.81 | 0.21 |
| Recency | 20 December 2011 | 1 September 2009 |
| Physical cores | 4 | 1 |
| Threads | 4 | 1 |
| Chip lithography | 32 nm | 65 nm |
| Power consumption (TDP) | 35 Watt | 25 Watt |
A6-3420M has a 285.7% higher aggregate performance score, an age advantage of 2 years, 300% more physical cores and 300% more threads, and a 103.1% more advanced lithography process.
Mobile Sempron SI-42, on the other hand, has 40% lower power consumption.
The A6-3420M is our recommended choice as it beats the Mobile Sempron SI-42 in performance tests.
Should you still have questions on choice between A6-3420M and Mobile Sempron SI-42, ask them in Comments section, and we shall answer.
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