Xeon w7-2555X vs Mobile Sempron SI-42
Primary details
Comparing Mobile Sempron SI-42 and Xeon w7-2555X processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 3215 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Server |
| Series | AMD Mobile Sempron | no data |
| Power efficiency | 0.79 | no data |
| Architecture codename | Sable (2008−2009) | Sapphire Rapids (2023−2024) |
| Release date | 1 September 2009 (15 years ago) | 24 August 2024 (less than a year ago) |
| Launch price (MSRP) | no data | $1,069 |
Detailed specifications
Mobile Sempron SI-42 and Xeon w7-2555X 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 | 28 |
| Base clock speed | no data | 3.3 GHz |
| Boost clock speed | 2.1 GHz | 4.8 GHz |
| Bus rate | 1800 MHz | no data |
| L1 cache | 128 KB | 80 KB (per core) |
| L2 cache | 512 KB | 2 MB (per core) |
| L3 cache | no data | 33.75 MB |
| Chip lithography | 65 nm | 10 nm |
| Maximum core temperature | 100 °C | no data |
| Maximum case temperature (TCase) | no data | 75 °C |
| 64 bit support | + | + |
| Windows 11 compatibility | - | no data |
| Unlocked multiplier | - | + |
Compatibility
Information on Mobile Sempron SI-42 and Xeon w7-2555X 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 | 4677 |
| Power consumption (TDP) | 25 Watt | 210 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Mobile Sempron SI-42 and Xeon w7-2555X. 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 | - | + |
| vPro | no data | + |
| Enhanced SpeedStep (EIST) | no data | + |
| TSX | - | + |
Security technologies
Mobile Sempron SI-42 and Xeon w7-2555X technologies aimed at improving security, for example, by protecting against hacks.
| TXT | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Mobile Sempron SI-42 and Xeon w7-2555X are enumerated here.
| VT-d | no data | + |
| VT-x | no data | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Mobile Sempron SI-42 and Xeon w7-2555X. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | no data | DDR5 |
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 Xeon w7-2555X.
| PCIe version | no data | 5.0 |
| PCI Express lanes | no data | 64 |
Pros & cons summary
| Recency | 1 September 2009 | 24 August 2024 |
| Physical cores | 1 | 14 |
| Threads | 1 | 28 |
| Chip lithography | 65 nm | 10 nm |
| Power consumption (TDP) | 25 Watt | 210 Watt |
Mobile Sempron SI-42 has 740% lower power consumption.
Xeon w7-2555X, on the other hand, has an age advantage of 14 years, 1300% more physical cores and 2700% more threads, and a 550% more advanced lithography process.
We couldn't decide between Mobile Sempron SI-42 and Xeon w7-2555X. We've got no test results to judge.
Be aware that Mobile Sempron SI-42 is a notebook processor while Xeon w7-2555X is a server/workstation one.
Should you still have questions on choice between Mobile Sempron SI-42 and Xeon w7-2555X, ask them in Comments section, and we shall answer.
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