Mobile Sempron SI-40 vs A9-9420
Aggregate performance score
A9-9420 outperforms Mobile Sempron SI-40 by a whopping 370% based on our aggregate benchmark results.
Primary details
Comparing A9-9420 and Mobile Sempron SI-40 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 2518 | 3236 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Laptop |
| Series | AMD Bristol Ridge | AMD Mobile Sempron |
| Power efficiency | 5.90 | 0.75 |
| Architecture codename | Stoney Ridge (2016−2019) | Sable (2008−2009) |
| Release date | 31 May 2016 (8 years ago) | 4 July 2008 (16 years ago) |
Detailed specifications
A9-9420 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 |
| Base clock speed | 3 GHz | no data |
| Boost clock speed | 3.6 GHz | 2 GHz |
| Bus rate | no data | 1800 MHz |
| L1 cache | 160 KB | no data |
| L2 cache | 1 MB (shared) | 512 KB |
| L3 cache | 0 KB | no data |
| Chip lithography | 28 nm | 65 nm |
| Die size | 125 mm2 | no data |
| Maximum core temperature | 90 °C | 100 °C |
| Maximum case temperature (TCase) | 74 °C | no data |
| Number of transistors | 1,200 million | no data |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
Compatibility
Information on A9-9420 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.
| Number of CPUs in a configuration | 1 | no data |
| Socket | FT4 | S1g2 |
| Power consumption (TDP) | 15 Watt | 25 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by A9-9420 and Mobile Sempron SI-40. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Virtualization, | 65 nm, 1.075 - 1.125V |
| AES-NI | + | - |
| FMA | + | - |
| AVX | + | - |
Virtualization technologies
Virtual machine speed-up technologies supported by A9-9420 and Mobile Sempron SI-40 are enumerated here.
| AMD-V | + | - |
Memory specs
Types, maximum amount and channel quantity of RAM supported by A9-9420 and Mobile Sempron SI-40. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4 | no data |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | Radeon R5 | no data |
Peripherals
Specifications and connection of peripherals supported by A9-9420 and Mobile Sempron SI-40.
| PCIe version | 3.0 | no data |
| PCI Express lanes | 8 | no data |
Pros & cons summary
| Performance score | 0.94 | 0.20 |
| Recency | 31 May 2016 | 4 July 2008 |
| Physical cores | 2 | 1 |
| Threads | 2 | 1 |
| Chip lithography | 28 nm | 65 nm |
| Power consumption (TDP) | 15 Watt | 25 Watt |
A9-9420 has a 370% higher aggregate performance score, an age advantage of 7 years, 100% more physical cores and 100% more threads, a 132.1% more advanced lithography process, and 66.7% lower power consumption.
The A9-9420 is our recommended choice as it beats the Mobile Sempron SI-40 in performance tests.
Should you still have questions on choice between A9-9420 and Mobile Sempron SI-40, 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.
