Mobile Sempron SI-40 vs Athlon 64 X2 TK-42
Aggregate performance score
Athlon 64 X2 TK-42 outperforms Mobile Sempron SI-40 by an impressive 83% 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 | 3331 | 3514 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Laptop |
| Series | 2x AMD Athlon 64 | AMD Mobile Sempron |
| Designer | AMD | AMD |
| Architecture codename | Tyler (2007−2009) | Sable (2008−2009) |
| Release date | 1 November 2009 (16 years ago) | 4 July 2008 (17 years ago) |
Detailed specifications
Athlon 64 X2 TK-42 and Mobile Sempron SI-40 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 | 1.6 GHz | 2 GHz |
| Bus rate | 1600 MHz | 1800 MHz |
| L1 cache | 0 MB | no data |
| L2 cache | 1 MB | 512 KB |
| Chip lithography | 65 nm | 65 nm |
| Maximum core temperature | 95 °C | 100 °C |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
Compatibility
Information on Athlon 64 X2 TK-42 and Mobile Sempron SI-40 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 | S1g2 |
| Power consumption (TDP) | 1 MB | 512 KB |
Technologies and extensions
Technological solutions and additional instructions supported by Athlon 64 X2 TK-42 and Mobile Sempron SI-40. You'll probably need this information if you require some particular technology.
| Instruction set extensions | 86x Enhanced Virus Protection (EVP), MMX, PowerNow, SSE3,-64, Enhanced 3DNow | 65 nm, 1.075 - 1.125V |
| PowerNow | + | - |
| VirusProtect | + | - |
Pros & cons summary
| Performance score | 0.33 | 0.18 |
| Recency | 1 November 2009 | 4 July 2008 |
| Physical cores | 2 | 1 |
| Threads | 2 | 1 |
| Power consumption (TDP) | 1 Watt | 512 Watt |
Athlon 64 X2 TK-42 has a 83.3% higher aggregate performance score, an age advantage of 1 year, 100% more physical cores and 100% more threads, and 51100% lower power consumption.
The AMD Athlon 64 X2 TK-42 is our recommended choice as it beats the AMD Mobile Sempron SI-40 in performance tests.
Other comparisons
We've compiled a selection of CPU comparisons, ranging from closely matched processors to other comparisons that may be of interest.
