Pentium Dual-Core E2140 vs Mobile Sempron SI-40
Aggregate performance score
Pentium Dual-Core E2140 outperforms Mobile Sempron SI-40 by an impressive 67% based on our aggregate benchmark results.
Contents
Primary details
Comparing processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 3447 | 3299 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Desktop processor |
| Series | AMD Mobile Sempron | no data |
| Power efficiency | 0.31 | 0.20 |
| Designer | AMD | Intel |
| Architecture codename | Sable (2008−2009) | Allendale (2006−2009) |
| Release date | 4 July 2008 (17 years ago) | June 2007 (18 years ago) |
Detailed specifications
Mobile Sempron SI-40 and Pentium Dual-Core E2140 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) | 2 (Dual-core) |
| Threads | 1 | 2 |
| Boost clock speed | 2 GHz | 1.6 GHz |
| Bus rate | 1800 MHz | no data |
| L1 cache | no data | 64 KB (per core) |
| L2 cache | 512 KB | 1 MB (shared) |
| L3 cache | no data | 0 KB |
| Chip lithography | 65 nm | 65 nm |
| Die size | no data | 77 mm2 |
| Maximum core temperature | 100 °C | no data |
| Number of transistors | no data | 105 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
Compatibility
Information on Mobile Sempron SI-40 and Pentium Dual-Core E2140 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 | S1g2 | 775 |
| Power consumption (TDP) | 25 Watt | 65 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Mobile Sempron SI-40 and Pentium Dual-Core E2140. You'll probably need this information if you require some particular technology.
| Instruction set extensions | 65 nm, 1.075 - 1.125V | no data |
| Enhanced SpeedStep (EIST) | no data | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Mobile Sempron SI-40 and Pentium Dual-Core E2140. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | no data | DDR1, DDR2, DDR3 |
Pros & cons summary
| Performance score | 0.18 | 0.30 |
| Physical cores | 1 | 2 |
| Threads | 1 | 2 |
| Power consumption (TDP) | 25 Watt | 65 Watt |
Mobile Sempron SI-40 has 160% lower power consumption.
Pentium Dual-Core E2140, on the other hand, has a 66.7% higher aggregate performance score, and 100% more physical cores and 100% more threads.
The Intel Pentium Dual-Core E2140 is our recommended choice as it beats the AMD Mobile Sempron SI-40 in performance tests.
Be aware that Mobile Sempron SI-40 is a notebook processor while Pentium Dual-Core E2140 is a desktop one.
Other comparisons
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