i5-11400F vs Mobile Sempron SI-42
Aggregate performance score
Core i5-11400F outperforms Mobile Sempron SI-42 by a whopping 5000% based on our aggregate benchmark results.
Primary details
Comparing Mobile Sempron SI-42 and Core i5-11400F processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 3219 | 732 |
| Place by popularity | not in top-100 | 30 |
| Cost-effectiveness evaluation | no data | 39.30 |
| Market segment | Laptop | Desktop processor |
| Series | AMD Mobile Sempron | no data |
| Power efficiency | 0.79 | 15.59 |
| Architecture codename | Sable (2008−2009) | Rocket Lake (2021) |
| Release date | 1 September 2009 (15 years ago) | 16 March 2021 (3 years ago) |
| Launch price (MSRP) | no data | $157 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
Mobile Sempron SI-42 and Core i5-11400F 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) | 6 (Hexa-Core) |
| Threads | 1 | 12 |
| Base clock speed | no data | 2.6 GHz |
| Boost clock speed | 2.1 GHz | 4.4 GHz |
| Bus rate | 1800 MHz | 8 GT/s |
| L1 cache | 128 KB | 64K (per core) |
| L2 cache | 512 KB | 256K (per core) |
| L3 cache | no data | 12 MB (shared) |
| Chip lithography | 65 nm | 14 nm |
| Die size | no data | 276 mm2 |
| Maximum core temperature | 100 °C | 100 °C |
| Maximum case temperature (TCase) | no data | 72 °C |
| 64 bit support | + | + |
| Windows 11 compatibility | - | + |
Compatibility
Information on Mobile Sempron SI-42 and Core i5-11400F 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 | FCLGA1200 |
| Power consumption (TDP) | 25 Watt | 65 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Mobile Sempron SI-42 and Core i5-11400F. 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, Intel® AVX-512 |
| AES-NI | - | + |
| FMA | - | + |
| AVX | - | + |
| Enhanced SpeedStep (EIST) | no data | + |
| Turbo Boost Technology | no data | 2.0 |
| Hyper-Threading Technology | no data | + |
| TSX | - | + |
| Idle States | no data | + |
| Thermal Monitoring | - | + |
| Turbo Boost Max 3.0 | no data | - |
| Deep Learning Boost | - | + |
Security technologies
Mobile Sempron SI-42 and Core i5-11400F technologies aimed at improving security, for example, by protecting against hacks.
| TXT | no data | + |
| EDB | no data | + |
| Secure Key | no data | + |
| Identity Protection | - | + |
| SGX | no data | - |
| OS Guard | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Mobile Sempron SI-42 and Core i5-11400F 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 i5-11400F. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | no data | DDR4 |
| Maximum memory size | no data | 128 GB |
| Max memory channels | no data | 2 |
| Maximum memory bandwidth | no data | 50 GB/s |
Peripherals
Specifications and connection of peripherals supported by Mobile Sempron SI-42 and Core i5-11400F.
| 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.
Combined synthetic benchmark score
This is our combined benchmark performance rating. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.
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
| Performance score | 0.21 | 10.71 |
| Recency | 1 September 2009 | 16 March 2021 |
| Physical cores | 1 | 6 |
| Threads | 1 | 12 |
| Chip lithography | 65 nm | 14 nm |
| Power consumption (TDP) | 25 Watt | 65 Watt |
Mobile Sempron SI-42 has 160% lower power consumption.
i5-11400F, on the other hand, has a 5000% higher aggregate performance score, an age advantage of 11 years, 500% more physical cores and 1100% more threads, and a 364.3% more advanced lithography process.
The Core i5-11400F is our recommended choice as it beats the Mobile Sempron SI-42 in performance tests.
Be aware that Mobile Sempron SI-42 is a notebook processor while Core i5-11400F is a desktop one.
Should you still have questions on choice between Mobile Sempron SI-42 and Core i5-11400F, ask them in Comments section, and we shall answer.
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