Mobile Pentium II 400 vs i3-540
Primary details
Comparing Core i3-540 and Mobile Pentium II 400 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 2483 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 0.11 | no data |
| Market segment | Desktop processor | Laptop |
| Series | no data | Intel Mobile Pentium II |
| Power efficiency | 1.26 | no data |
| Architecture codename | Clarkdale (2010−2011) | P6 |
| Release date | 7 January 2010 (14 years ago) | no data (2024 years ago) |
| Launch price (MSRP) | $45 | no data |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
Core i3-540 and Mobile Pentium II 400 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 | 4 | 1 |
| Base clock speed | 3.06 GHz | no data |
| Boost clock speed | 0.07 GHz | 0.4 GHz |
| Bus type | no data | FSB |
| Bus rate | 2.5 GT/s | no data |
| Multiplier | no data | 6 |
| L1 cache | 64 KB (per core) | no data |
| L2 cache | 256 KB (per core) | 256 KB |
| L3 cache | 4 MB (shared) | no data |
| Chip lithography | 32 nm | 250 nm, 180 nm |
| Die size | 81 mm2 | 180 mm2 |
| Maximum core temperature | 73 °C | no data |
| Number of transistors | 382 million | 27 Million |
| 64 bit support | + | - |
| Windows 11 compatibility | - | no data |
Compatibility
Information on Core i3-540 and Mobile Pentium II 400 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 | FCLGA1156 | no data |
| Power consumption (TDP) | 73 Watt | 13.1 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core i3-540 and Mobile Pentium II 400. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Intel® SSE4.2 | no data |
| Enhanced SpeedStep (EIST) | + | no data |
| Turbo Boost Technology | - | no data |
| Hyper-Threading Technology | + | no data |
| Idle States | + | no data |
| Demand Based Switching | - | no data |
| PAE | 36 Bit | no data |
| FDI | + | no data |
Security technologies
Core i3-540 and Mobile Pentium II 400 technologies aimed at improving security, for example, by protecting against hacks.
| TXT | - | no data |
| EDB | + | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Core i3-540 and Mobile Pentium II 400 are enumerated here.
| VT-x | + | no data |
| EPT | + | no data |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Core i3-540 and Mobile Pentium II 400. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3 | no data |
| Maximum memory size | 16.38 GB | 64 GB |
| Max memory channels | 2 | no data |
| Maximum memory bandwidth | 21 GB/s | no data |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | Intel HD Graphics for Previous Generation Intel Processors | no data |
| Clear Video HD | + | no data |
Graphics interfaces
Available interfaces and connections of Core i3-540 and Mobile Pentium II 400 integrated GPUs.
| Number of displays supported | 2 | no data |
Peripherals
Specifications and connection of peripherals supported by Core i3-540 and Mobile Pentium II 400.
| PCIe version | 2.0 | no data |
| PCI Express lanes | 16 | no data |
Pros & cons summary
| Physical cores | 2 | 1 |
| Threads | 4 | 1 |
| Chip lithography | 32 nm | 250 nm |
| Power consumption (TDP) | 73 Watt | 13 Watt |
i3-540 has 100% more physical cores and 300% more threads, and a 681.3% more advanced lithography process.
Mobile Pentium II 400, on the other hand, has 461.5% lower power consumption.
We couldn't decide between Core i3-540 and Mobile Pentium II 400. We've got no test results to judge.
Note that Core i3-540 is a desktop processor while Mobile Pentium II 400 is a notebook one.
Should you still have questions on choice between Core i3-540 and Mobile Pentium II 400, ask them in Comments section, and we shall answer.
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