Celeron N4020 vs Mobile Sempron SI-40
Aggregate performance score
Celeron N4020 outperforms Mobile Sempron SI-40 by a whopping 385% based on our aggregate benchmark results.
Primary details
Comparing Mobile Sempron SI-40 and Celeron N4020 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 3216 | 2478 |
| Place by popularity | not in top-100 | 83 |
| Market segment | Laptop | Laptop |
| Series | AMD Mobile Sempron | Intel Gemini Lake |
| Power efficiency | 0.76 | 15.30 |
| Architecture codename | Sable (2008−2009) | Gemini Lake Refresh (2019) |
| Release date | 4 July 2008 (16 years ago) | 4 November 2019 (5 years ago) |
Detailed specifications
Mobile Sempron SI-40 and Celeron N4020 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) | 2 (Dual-core) |
| Threads | 1 | 2 |
| Base clock speed | no data | 1.1 GHz |
| Boost clock speed | 2 GHz | 2.8 GHz |
| Bus rate | 1800 MHz | 15 MHz |
| L2 cache | 512 KB | 4 MB |
| L3 cache | no data | 4 MB |
| Chip lithography | 65 nm | 14 nm |
| Maximum core temperature | 100 °C | 105 °C |
| 64 bit support | + | + |
| Windows 11 compatibility | - | + |
Compatibility
Information on Mobile Sempron SI-40 and Celeron N4020 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 | FCBGA1090 |
| Power consumption (TDP) | 25 Watt | 6 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Mobile Sempron SI-40 and Celeron N4020. You'll probably need this information if you require some particular technology.
| Instruction set extensions | 65 nm, 1.075 - 1.125V | Intel® SSE4.2 |
| AES-NI | - | + |
| Enhanced SpeedStep (EIST) | no data | + |
| Speed Shift | no data | - |
| Turbo Boost Technology | no data | - |
| Hyper-Threading Technology | no data | - |
| Idle States | no data | + |
| Thermal Monitoring | - | + |
| Smart Response | no data | - |
| GPIO | no data | + |
| Turbo Boost Max 3.0 | no data | - |
Security technologies
Mobile Sempron SI-40 and Celeron N4020 technologies aimed at improving security, for example, by protecting against hacks.
| EDB | no data | + |
| Secure Key | no data | + |
| MPX | - | + |
| Identity Protection | - | + |
| SGX | no data | Yes with Intel® ME |
| OS Guard | no data | + |
| Anti-Theft | no data | - |
Virtualization technologies
Virtual machine speed-up technologies supported by Mobile Sempron SI-40 and Celeron N4020 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-40 and Celeron N4020. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | no data | DDR4 |
| Maximum memory size | no data | 8 GB |
| Max memory channels | no data | 2 |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | no data | Intel UHD Graphics 600 |
| Max video memory | no data | 8 GB |
| Quick Sync Video | - | + |
| Graphics max frequency | no data | 650 MHz |
| Execution Units | no data | 12 |
Graphics interfaces
Available interfaces and connections of Mobile Sempron SI-40 and Celeron N4020 integrated GPUs.
| Number of displays supported | no data | 3 |
| eDP | no data | + |
| DisplayPort | - | + |
| HDMI | - | + |
| MIPI-DSI | no data | + |
Graphics image quality
Maximum display resolutions supported by Mobile Sempron SI-40 and Celeron N4020 integrated GPUs, including resolutions over different interfaces.
| 4K resolution support | no data | + |
| Max resolution over HDMI 1.4 | no data | 4096x2160@30Hz |
| Max resolution over eDP | no data | 4096x2160@60Hz |
| Max resolution over DisplayPort | no data | 4096x2160@60Hz |
Graphics API support
APIs supported by Mobile Sempron SI-40 and Celeron N4020 integrated GPUs, sometimes API versions are included.
| DirectX | no data | 12 |
| OpenGL | no data | 4.4 |
Peripherals
Specifications and connection of peripherals supported by Mobile Sempron SI-40 and Celeron N4020.
| PCIe version | no data | 2.0 |
| PCI Express lanes | no data | 6 |
| USB revision | no data | 2.0/3.0 |
| Total number of SATA ports | no data | 2 |
| Max number of SATA 6 Gb/s Ports | no data | 2 |
| Number of USB ports | no data | 8 |
| Integrated LAN | no data | - |
| UART | no data | + |
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.
Pros & cons summary
| Performance score | 0.20 | 0.97 |
| Recency | 4 July 2008 | 4 November 2019 |
| Physical cores | 1 | 2 |
| Threads | 1 | 2 |
| Chip lithography | 65 nm | 14 nm |
| Power consumption (TDP) | 25 Watt | 6 Watt |
Celeron N4020 has a 385% higher aggregate performance score, an age advantage of 11 years, 100% more physical cores and 100% more threads, a 364.3% more advanced lithography process, and 316.7% lower power consumption.
The Celeron N4020 is our recommended choice as it beats the Mobile Sempron SI-40 in performance tests.
Should you still have questions on choice between Mobile Sempron SI-40 and Celeron N4020, ask them in Comments section, and we shall answer.
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