Mobile Sempron SI-42 vs Athlon II M300
Primary details
Comparing Athlon II M300 and Mobile Sempron SI-42 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 Athlon II | AMD Mobile Sempron |
| Architecture codename | Caspian (2009) | Sable (2008−2009) |
| Release date | 10 September 2009 (15 years ago) | 1 September 2009 (15 years ago) |
Detailed specifications
Athlon II M300 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 | 2 (Dual-core) | 1 (Single-Core) |
| Threads | 2 | 1 |
| Boost clock speed | 2 GHz | 2.1 GHz |
| Bus rate | 3200 MHz | 1800 MHz |
| L1 cache | 128 KB | 128 KB |
| L2 cache | 1 MB | 512 KB |
| Chip lithography | 45 nm | 65 nm |
| Maximum core temperature | no data | 100 °C |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
Compatibility
Information on Athlon II M300 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.
| Socket | Socket S1 (S1g3) | S1g2 |
| Power consumption (TDP) | 35 Watt | 25 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Athlon II M300 and Mobile Sempron SI-42. You'll probably need this information if you require some particular technology.
| Instruction set extensions | MMX, SSE, SSE2, SSE3, Enhanced 3DNow!, NX bit, AMD64, PowerNow!, AMD Virtualization | 65 nm, 1.075 - 1.125 |
| PowerNow | + | - |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Athlon II M300 and Mobile Sempron SI-42. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR2 | 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.
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
| Physical cores | 2 | 1 |
| Threads | 2 | 1 |
| Chip lithography | 45 nm | 65 nm |
| Power consumption (TDP) | 35 Watt | 25 Watt |
Athlon II M300 has 100% more physical cores and 100% more threads, and a 44.4% more advanced lithography process.
Mobile Sempron SI-42, on the other hand, has 40% lower power consumption.
We couldn't decide between Athlon II M300 and Mobile Sempron SI-42. We've got no test results to judge.
Should you still have questions on choice between Athlon II M300 and Mobile Sempron SI-42, ask them in Comments section, and we shall answer.
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