Mobile Sempron SI-42 vs Core 2 Duo E4500
Aggregate performance score
Core 2 Duo E4500 outperforms Mobile Sempron SI-42 by a whopping 119% based on our aggregate benchmark results.
Primary details
Comparing Core 2 Duo E4500 and Mobile Sempron SI-42 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 2936 | 3219 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Desktop processor | Laptop |
| Series | no data | AMD Mobile Sempron |
| Power efficiency | 0.67 | 0.80 |
| Architecture codename | Allendale (2006−2009) | Sable (2008−2009) |
| Release date | July 2007 (17 years ago) | 1 September 2009 (15 years ago) |
Detailed specifications
Core 2 Duo E4500 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 |
| Base clock speed | 2.2 GHz | no data |
| Boost clock speed | 2.2 GHz | 2.1 GHz |
| Bus rate | 800 MHz | 1800 MHz |
| L1 cache | 64 KB | 128 KB |
| L2 cache | 2 MB | 512 KB |
| L3 cache | 0 KB | no data |
| Chip lithography | 65 nm | 65 nm |
| Die size | 111 mm2 | no data |
| Maximum core temperature | 73 °C | 100 °C |
| Number of transistors | 167 million | no data |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
| VID voltage range | 0.85V-1.5V | no data |
Compatibility
Information on Core 2 Duo E4500 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 | LGA775 | S1g2 |
| Power consumption (TDP) | 65 Watt | 25 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core 2 Duo E4500 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 |
| Thermal Monitoring | + | - |
| Demand Based Switching | - | no data |
| FSB parity | - | no data |
Security technologies
Core 2 Duo E4500 and Mobile Sempron SI-42 technologies aimed at improving security, for example, by protecting against hacks.
| TXT | - | no data |
| EDB | + | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Core 2 Duo E4500 and Mobile Sempron SI-42 are enumerated here.
| VT-x | - | no data |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Core 2 Duo E4500 and Mobile Sempron SI-42. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR1, DDR2, DDR3 | no data |
Pros & cons summary
| Performance score | 0.46 | 0.21 |
| Physical cores | 2 | 1 |
| Threads | 2 | 1 |
| Power consumption (TDP) | 65 Watt | 25 Watt |
Core 2 Duo E4500 has a 119% higher aggregate performance score, and 100% more physical cores and 100% more threads.
Mobile Sempron SI-42, on the other hand, has 160% lower power consumption.
The Core 2 Duo E4500 is our recommended choice as it beats the Mobile Sempron SI-42 in performance tests.
Note that Core 2 Duo E4500 is a desktop processor while Mobile Sempron SI-42 is a notebook one.
Should you still have questions on choice between Core 2 Duo E4500 and Mobile Sempron SI-42, ask them in Comments section, and we shall answer.
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