Mobile Pentium II 400 vs Pentium III 800
Primary details
Comparing Pentium III 800 and Mobile Pentium II 400 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 | Desktop processor | Laptop |
| Series | no data | Intel Mobile Pentium II |
| Architecture codename | Coppermine T (2000) | P6 |
| Release date | no data (2024 years ago) | no data (2024 years ago) |
Detailed specifications
Pentium III 800 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 | 1 (Single-Core) | 1 (Single-Core) |
| Threads | 1 | 1 |
| Boost clock speed | 0.8 GHz | 0.4 GHz |
| Bus type | no data | FSB |
| Multiplier | no data | 6 |
| L1 cache | 8 KB | no data |
| L2 cache | 256 KB | 256 KB |
| L3 cache | 0 KB | no data |
| Chip lithography | 180 nm | 250 nm, 180 nm |
| Die size | 80 mm2 | 180 mm2 |
| Maximum case temperature (TCase) | 69 °C | no data |
| Number of transistors | 44 million | 27 Million |
| 64 bit support | - | - |
| Windows 11 compatibility | - | no data |
Compatibility
Information on Pentium III 800 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 | 370 | no data |
| Power consumption (TDP) | 38 Watt | 13.1 Watt |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Pentium III 800 and Mobile Pentium II 400. Depending on the motherboard, higher memory frequencies may be supported.
| Maximum memory size | no data | 64 GB |
Pros & cons summary
| Chip lithography | 180 nm | 250 nm |
| Power consumption (TDP) | 38 Watt | 13 Watt |
Pentium III 800 has a 38.9% more advanced lithography process.
Mobile Pentium II 400, on the other hand, has 192.3% lower power consumption.
We couldn't decide between Pentium III 800 and Mobile Pentium II 400. We've got no test results to judge.
Note that Pentium III 800 is a desktop processor while Mobile Pentium II 400 is a notebook one.
Should you still have questions on choice between Pentium III 800 and Mobile Pentium II 400, ask them in Comments section, and we shall answer.
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