Pentium 4 1.5 vs Pentium M ULV 900
Primary details
Comparing Pentium M ULV 900 and Pentium 4 1.5 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 | Pentium M | no data |
| Architecture codename | Banias (2003) | Willamette (2000−2001) |
| Release date | no data (2024 years ago) | November 2000 (24 years ago) |
Detailed specifications
Pentium M ULV 900 and Pentium 4 1.5 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 | 0.9 GHz | 1.5 GHz |
| Bus rate | 400 MHz | no data |
| L1 cache | no data | 8 KB |
| L2 cache | no data | 256 KB |
| L3 cache | no data | 0 KB |
| Chip lithography | 130 nm | 180 nm |
| Die size | no data | 217 mm2 |
| Maximum case temperature (TCase) | no data | 73 °C |
| Number of transistors | no data | 42 million |
| 64 bit support | - | - |
| Windows 11 compatibility | - | - |
Compatibility
Information on Pentium M ULV 900 and Pentium 4 1.5 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 | no data | 423 |
| Power consumption (TDP) | 7 Watt | 58 Watt |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Pentium M ULV 900 and Pentium 4 1.5. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | no data | DDR1, DDR2 |
Pros & cons summary
| Chip lithography | 130 nm | 180 nm |
| Power consumption (TDP) | 7 Watt | 58 Watt |
Pentium M ULV 900 has a 38.5% more advanced lithography process, and 728.6% lower power consumption.
We couldn't decide between Pentium M ULV 900 and Pentium 4 1.5. We've got no test results to judge.
Be aware that Pentium M ULV 900 is a notebook processor while Pentium 4 1.5 is a desktop one.
Should you still have questions on choice between Pentium M ULV 900 and Pentium 4 1.5, ask them in Comments section, and we shall answer.
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