Mobile Sempron SI-42 vs Pentium N3540
Aggregate performance score
Pentium N3540 outperforms Mobile Sempron SI-42 by a whopping 262% based on our aggregate benchmark results.
Primary details
Comparing Pentium N3540 and Mobile Sempron SI-42 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 2664 | 3221 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Laptop |
| Series | Intel Pentium | AMD Mobile Sempron |
| Power efficiency | 9.60 | 0.80 |
| Architecture codename | Bay Trail-M (2013−2014) | Sable (2008−2009) |
| Release date | 22 May 2014 (10 years ago) | 1 September 2009 (15 years ago) |
| Launch price (MSRP) | $251 | no data |
Detailed specifications
Pentium N3540 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 | 2.16 GHz | no data |
| Boost clock speed | 2.66 GHz | 2.1 GHz |
| Bus rate | no data | 1800 MHz |
| L1 cache | 224 KB | 128 KB |
| L2 cache | 2 MB | 512 KB |
| L3 cache | 2 MB L2 Cache | no data |
| Chip lithography | 22 nm | 65 nm |
| Maximum core temperature | 100 °C | 100 °C |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
Compatibility
Information on Pentium N3540 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 | FCBGA1170 | S1g2 |
| Power consumption (TDP) | 7.5 Watt | 25 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Pentium N3540 and Mobile Sempron SI-42. You'll probably need this information if you require some particular technology.
| Instruction set extensions | no data | 65 nm, 1.075 - 1.125 |
| Enhanced SpeedStep (EIST) | + | no data |
| Turbo Boost Technology | - | no data |
| Hyper-Threading Technology | - | no data |
| Idle States | + | no data |
| Smart Connect | + | no data |
Security technologies
Pentium N3540 and Mobile Sempron SI-42 technologies aimed at improving security, for example, by protecting against hacks.
| EDB | + | no data |
| Secure Key | + | no data |
| Anti-Theft | - | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Pentium N3540 and Mobile Sempron SI-42 are enumerated here.
| VT-d | - | no data |
| VT-x | + | no data |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Pentium N3540 and Mobile Sempron SI-42. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3L-1333 | no data |
| Maximum memory size | 8 GB | no data |
| Max memory channels | 2 | no data |
| Maximum memory bandwidth | 21.32 GB/s | no data |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | Intel HD Graphics for Intel Atom Processor Z3700 Series | no data |
| Quick Sync Video | + | - |
| Graphics max frequency | 896 MHz | no data |
Graphics interfaces
Available interfaces and connections of Pentium N3540 and Mobile Sempron SI-42 integrated GPUs.
| Number of displays supported | 2 | no data |
Graphics API support
APIs supported by Pentium N3540 and Mobile Sempron SI-42 integrated GPUs, sometimes API versions are included.
| DirectX | 11.2 | no data |
Peripherals
Specifications and connection of peripherals supported by Pentium N3540 and Mobile Sempron SI-42.
| PCIe version | 2.0 | no data |
| PCI Express lanes | 4 | no data |
| USB revision | 3.0 and 2.0 | no data |
| Total number of SATA ports | 2 | no data |
| Number of USB ports | 5 | 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.
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 | 0.76 | 0.21 |
| Recency | 22 May 2014 | 1 September 2009 |
| Physical cores | 4 | 1 |
| Threads | 4 | 1 |
| Chip lithography | 22 nm | 65 nm |
| Power consumption (TDP) | 7 Watt | 25 Watt |
Pentium N3540 has a 261.9% higher aggregate performance score, an age advantage of 4 years, 300% more physical cores and 300% more threads, a 195.5% more advanced lithography process, and 257.1% lower power consumption.
The Pentium N3540 is our recommended choice as it beats the Mobile Sempron SI-42 in performance tests.
Should you still have questions on choice between Pentium N3540 and Mobile Sempron SI-42, ask them in Comments section, and we shall answer.
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