Pentium III 800 vs Atom N280
Primary details
Comparing Atom N280 and Pentium III 800 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 | Desktop processor |
| Series | Intel Atom | no data |
| Architecture codename | DiamondVille (2008−2009) | Coppermine T (2000) |
| Release date | 1 February 2009 (15 years ago) | no data (2024 years ago) |
Detailed specifications
Atom N280 and Pentium III 800 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 | no data |
| Base clock speed | 1.66 GHz | no data |
| Boost clock speed | 0.07 GHz | 0.8 GHz |
| Bus type | FSB | no data |
| Bus rate | 666.66 MT/s | no data |
| Multiplier | 10 | no data |
| L1 cache | 56 KB | 8 KB |
| L2 cache | 512 KB | 256 KB |
| L3 cache | 0 KB | 0 KB |
| Chip lithography | 45 nm | 180 nm |
| Die size | 25.9638 mm2 | 80 mm2 |
| Maximum core temperature | 90 °C | no data |
| Maximum case temperature (TCase) | no data | 69 °C |
| Number of transistors | 47 Million | 44 million |
| 64 bit support | - | - |
| Windows 11 compatibility | - | - |
| VID voltage range | 0.9V-1.1625V | no data |
Compatibility
Information on Atom N280 and Pentium III 800 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 (Uniprocessor) | 1 |
| Socket | PBGA437 | 370 |
| Power consumption (TDP) | 2.5 Watt | 38 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Atom N280 and Pentium III 800. 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 N280 and Pentium III 800 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 N280 and Pentium III 800 are enumerated here.
| VT-d | - | no data |
| VT-x | - | no data |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Atom N280 and Pentium III 800. Depending on the motherboard, higher memory frequencies may be supported.
| Maximum memory size | 8 GB | no data |
Pros & cons summary
| Chip lithography | 45 nm | 180 nm |
| Power consumption (TDP) | 2 Watt | 38 Watt |
Atom N280 has a 300% more advanced lithography process, and 1800% lower power consumption.
We couldn't decide between Atom N280 and Pentium III 800. We've got no test results to judge.
Be aware that Atom N280 is a notebook processor while Pentium III 800 is a desktop one.
Should you still have questions on choice between Atom N280 and Pentium III 800, ask them in Comments section, and we shall answer.
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