Phenom II X4 955 (95W) vs Mobile Sempron SI-40
Primary details
Comparing Mobile Sempron SI-40 and Phenom II X4 955 (95W) 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 | Desktop processor |
| Series | AMD Mobile Sempron | no data |
| Architecture codename | Sable (2008−2009) | Deneb (2009−2011) |
| Release date | 4 July 2008 (16 years ago) | 1 April 2009 (15 years ago) |
Detailed specifications
Mobile Sempron SI-40 and Phenom II X4 955 (95W) 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) | 4 (Quad-Core) |
| Threads | 1 | 4 |
| Base clock speed | no data | 3.2 GHz |
| Boost clock speed | 2 GHz | 3.2 GHz |
| Bus rate | 1800 MHz | no data |
| L1 cache | no data | 128 KB (per core) |
| L2 cache | 512 KB | 512 KB (per core) |
| L3 cache | no data | 6 MB (shared) |
| Chip lithography | 65 nm | 45 nm |
| Die size | no data | 258 mm2 |
| Maximum core temperature | 100 °C | no data |
| Number of transistors | no data | 758 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
Compatibility
Information on Mobile Sempron SI-40 and Phenom II X4 955 (95W) 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 | AM3 |
| Power consumption (TDP) | 25 Watt | 95 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Mobile Sempron SI-40 and Phenom II X4 955 (95W). You'll probably need this information if you require some particular technology.
| Instruction set extensions | 65 nm, 1.075 - 1.125V | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Mobile Sempron SI-40 and Phenom II X4 955 (95W) are enumerated here.
| AMD-V | - | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Mobile Sempron SI-40 and Phenom II X4 955 (95W). Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | no data | DDR3 |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | no data | On certain motherboards (Chipset feature) |
Peripherals
Specifications and connection of peripherals supported by Mobile Sempron SI-40 and Phenom II X4 955 (95W).
| PCIe version | no data | 2.0 |
Pros & cons summary
| Recency | 4 July 2008 | 1 April 2009 |
| Physical cores | 1 | 4 |
| Threads | 1 | 4 |
| Chip lithography | 65 nm | 45 nm |
| Power consumption (TDP) | 25 Watt | 95 Watt |
Mobile Sempron SI-40 has 280% lower power consumption.
Phenom II X4 955 (95W), on the other hand, has an age advantage of 8 months, 300% more physical cores and 300% more threads, and a 44.4% more advanced lithography process.
We couldn't decide between Mobile Sempron SI-40 and Phenom II X4 955 (95W). We've got no test results to judge.
Be aware that Mobile Sempron SI-40 is a notebook processor while Phenom II X4 955 (95W) is a desktop one.
Should you still have questions on choice between Mobile Sempron SI-40 and Phenom II X4 955 (95W), ask them in Comments section, and we shall answer.
Similar processor comparisons
We picked several similar comparisons of processors in the same market segment and performance relatively close to those reviewed on this page.
