EPYC 7343 vs Mobile Sempron SI-42
Primary details
Comparing Mobile Sempron SI-42 and EPYC 7343 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | not rated | 176 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | no data | 13.30 |
| Market segment | Laptop | Server |
| Series | AMD Mobile Sempron | AMD EPYC |
| Power efficiency | no data | 13.66 |
| Architecture codename | Sable (2008−2009) | Milan (2021−2023) |
| Release date | 1 September 2009 (15 years ago) | 15 March 2021 (3 years ago) |
| Launch price (MSRP) | no data | $1,565 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
Mobile Sempron SI-42 and EPYC 7343 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) | 16 (Hexadeca-Core) |
| Threads | 1 | 32 |
| Base clock speed | no data | 3.2 GHz |
| Boost clock speed | 2.1 GHz | 3.9 GHz |
| Bus rate | 1800 MHz | no data |
| Multiplier | no data | 32 |
| L1 cache | 128 KB | 64 KB (per core) |
| L2 cache | 512 KB | 512 KB (per core) |
| L3 cache | no data | 128 MB (shared) |
| Chip lithography | 65 nm | 7 nm+ |
| Die size | no data | 4x 81 mm2 |
| Maximum core temperature | 100 °C | no data |
| Number of transistors | no data | 16,600 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | + |
Compatibility
Information on Mobile Sempron SI-42 and EPYC 7343 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 | 2 |
| Socket | S1g2 | SP3 |
| Power consumption (TDP) | 25 Watt | 190 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Mobile Sempron SI-42 and EPYC 7343. You'll probably need this information if you require some particular technology.
| Instruction set extensions | 65 nm, 1.075 - 1.125 | no data |
| AES-NI | - | + |
| AVX | - | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Mobile Sempron SI-42 and EPYC 7343 are enumerated here.
| AMD-V | - | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Mobile Sempron SI-42 and EPYC 7343. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | no data | DDR4-3200 |
| Maximum memory size | no data | 4 TiB |
| Maximum memory bandwidth | no data | 204.795 GB/s |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | no data | N/A |
Peripherals
Specifications and connection of peripherals supported by Mobile Sempron SI-42 and EPYC 7343.
| PCIe version | no data | 4.0 |
| PCI Express lanes | no data | 128 |
Pros & cons summary
| Recency | 1 September 2009 | 15 March 2021 |
| Physical cores | 1 | 16 |
| Threads | 1 | 32 |
| Chip lithography | 65 nm | 7 nm |
| Power consumption (TDP) | 25 Watt | 190 Watt |
Mobile Sempron SI-42 has 660% lower power consumption.
EPYC 7343, on the other hand, has an age advantage of 11 years, 1500% more physical cores and 3100% more threads, and a 828.6% more advanced lithography process.
We couldn't decide between Mobile Sempron SI-42 and EPYC 7343. We've got no test results to judge.
Be aware that Mobile Sempron SI-42 is a notebook processor while EPYC 7343 is a server/workstation one.
Should you still have questions on choice between Mobile Sempron SI-42 and EPYC 7343, ask them in Comments section, and we shall answer.
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