i7-1280P vs Mobile Sempron SI-42
Primary details
Comparing Mobile Sempron SI-42 and Core i7-1280P processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | not rated | 586 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Laptop |
| Series | AMD Mobile Sempron | Intel Alder Lake-P |
| Power efficiency | no data | 43.59 |
| Architecture codename | Sable (2008−2009) | Alder Lake-P (2022) |
| Release date | 1 September 2009 (15 years ago) | 23 February 2022 (2 years ago) |
Detailed specifications
Mobile Sempron SI-42 and Core i7-1280P 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) | 14 (Tetradeca-Core) |
| Threads | 1 | 20 |
| Base clock speed | no data | 1.8 GHz |
| Boost clock speed | 2.1 GHz | 4.8 GHz |
| Bus rate | 1800 MHz | no data |
| L1 cache | 128 KB | 80K (per core) |
| L2 cache | 512 KB | 1.25 MB (per core) |
| L3 cache | no data | 24 MB (shared) |
| Chip lithography | 65 nm | Intel 7 nm |
| Die size | no data | 217 mm2 |
| Maximum core temperature | 100 °C | 100 °C |
| 64 bit support | + | + |
| Windows 11 compatibility | - | + |
Compatibility
Information on Mobile Sempron SI-42 and Core i7-1280P 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 | FCBGA1744 |
| Power consumption (TDP) | 25 Watt | 28 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Mobile Sempron SI-42 and Core i7-1280P. You'll probably need this information if you require some particular technology.
| Instruction set extensions | 65 nm, 1.075 - 1.125 | Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2 |
| AES-NI | - | + |
| FMA | - | + |
| AVX | - | + |
| Enhanced SpeedStep (EIST) | no data | + |
| Speed Shift | no data | + |
| Hyper-Threading Technology | no data | + |
| TSX | - | + |
| Thermal Monitoring | - | + |
| Flex Memory Access | no data | + |
| SIPP | - | + |
| Turbo Boost Max 3.0 | no data | + |
| Deep Learning Boost | - | + |
Security technologies
Mobile Sempron SI-42 and Core i7-1280P technologies aimed at improving security, for example, by protecting against hacks.
| TXT | no data | + |
| EDB | no data | + |
| Secure Key | no data | + |
| OS Guard | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Mobile Sempron SI-42 and Core i7-1280P are enumerated here.
| VT-d | no data | + |
| VT-x | no data | + |
| EPT | no data | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Mobile Sempron SI-42 and Core i7-1280P. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | no data | DDR4, DDR5 |
| Maximum memory size | no data | 64 GB |
| Max memory channels | no data | 2 |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | no data | Intel® Iris® Xe Graphics eligible |
| Quick Sync Video | - | + |
| Graphics max frequency | no data | 1.45 GHz |
| Execution Units | no data | 96 |
Graphics interfaces
Available interfaces and connections of Mobile Sempron SI-42 and Core i7-1280P integrated GPUs.
| Number of displays supported | no data | 4 |
Graphics image quality
Maximum display resolutions supported by Mobile Sempron SI-42 and Core i7-1280P integrated GPUs, including resolutions over different interfaces.
| Max resolution over HDMI 1.4 | no data | 4096 x 2304 @ 60Hz |
| Max resolution over eDP | no data | 4096 x 2304 @ 120Hz |
| Max resolution over DisplayPort | no data | 7680 x 4320 @ 60Hz |
Graphics API support
APIs supported by Mobile Sempron SI-42 and Core i7-1280P integrated GPUs, sometimes API versions are included.
| DirectX | no data | 12.1 |
| OpenGL | no data | 4.6 |
Peripherals
Specifications and connection of peripherals supported by Mobile Sempron SI-42 and Core i7-1280P.
| PCIe version | no data | 4.0 |
| PCI Express lanes | no data | 20 |
Synthetic benchmark performance
Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.
3DMark06 CPU
3DMark06 is a discontinued DirectX 9 benchmark suite from Futuremark. Its CPU part contains two scenarios, one dedicated to artificial intelligence pathfinding, another to game physics using PhysX package.
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
| Recency | 1 September 2009 | 23 February 2022 |
| Physical cores | 1 | 14 |
| Threads | 1 | 20 |
| Power consumption (TDP) | 25 Watt | 28 Watt |
Mobile Sempron SI-42 has 12% lower power consumption.
i7-1280P, on the other hand, has an age advantage of 12 years, and 1300% more physical cores and 1900% more threads.
We couldn't decide between Mobile Sempron SI-42 and Core i7-1280P. We've got no test results to judge.
Should you still have questions on choice between Mobile Sempron SI-42 and Core i7-1280P, ask them in Comments section, and we shall answer.
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