Mobile Pentium II 266 vs Atom N455
Primary details
Comparing Atom N455 and Mobile Pentium II 266 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | not rated | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Laptop |
| Series | Intel Atom | Intel Mobile Pentium II |
| Architecture codename | Pinetrail (2009−2011) | P6 |
| Release date | 1 June 2010 (14 years ago) | no data (2024 years ago) |
| Launch price (MSRP) | $64 | no data |
Detailed specifications
Atom N455 and Mobile Pentium II 266 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) | 1 (Single-Core) |
| Threads | 2 | 1 |
| Base clock speed | 1.66 GHz | no data |
| Boost clock speed | 1.67 GHz | 0.27 GHz |
| Bus type | no data | FSB |
| Bus rate | 533 MHz | no data |
| Multiplier | no data | 4 |
| L1 cache | 64 KB (per core) | no data |
| L2 cache | 512K (per core) | 512 KB |
| L3 cache | 0 KB | no data |
| Chip lithography | 45 nm | 250 nm |
| Die size | 66 mm2 | 131 mm2 |
| Maximum core temperature | 100 °C | no data |
| Number of transistors | 123 million | 8 Million |
| 64 bit support | + | - |
| Windows 11 compatibility | - | no data |
Compatibility
Information on Atom N455 and Mobile Pentium II 266 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 | FCBGA559 | no data |
| Power consumption (TDP) | 6.5 Watt | 10.3 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Atom N455 and Mobile Pentium II 266. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Intel® SSE2, Intel® SSE3, Intel® SSSE3 | no data |
| Enhanced SpeedStep (EIST) | + | no data |
| Turbo Boost Technology | - | no data |
| Hyper-Threading Technology | + | no data |
| Thermal Monitoring | + | - |
| Demand Based Switching | - | no data |
Security technologies
Atom N455 and Mobile Pentium II 266 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 Atom N455 and Mobile Pentium II 266 are enumerated here.
| VT-d | - | no data |
| VT-x | - | no data |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Atom N455 and Mobile Pentium II 266. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3 | no data |
| Maximum memory size | 2 GB | 64 GB |
| Max memory channels | 1 | no data |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | Intel GMA 3150 | no data |
Pros & cons summary
| Threads | 2 | 1 |
| Chip lithography | 45 nm | 250 nm |
| Power consumption (TDP) | 6 Watt | 10 Watt |
Atom N455 has 100% more threads, a 455.6% more advanced lithography process, and 66.7% lower power consumption.
We couldn't decide between Atom N455 and Mobile Pentium II 266. We've got no test results to judge.
Should you still have questions on choice between Atom N455 and Mobile Pentium II 266, ask them in Comments section, and we shall answer.
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