Mobile Pentium 4 HT 538 vs Pentium 4 1.8A
Primary details
Comparing Pentium 4 1.8A and Mobile Pentium 4 HT 538 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 |
| Architecture codename | Willamette (2000−2001) | Prescott (2001−2005) |
| Release date | July 2001 (23 years ago) | June 2004 (20 years ago) |
Detailed specifications
Pentium 4 1.8A and Mobile Pentium 4 HT 538 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 | 2 |
| Boost clock speed | 1.8 GHz | 3.2 GHz |
| L1 cache | 8 KB | 8 KB |
| L2 cache | 256 KB | 1 MB |
| L3 cache | 0 KB | 0 KB |
| Chip lithography | 180 nm | 90 nm |
| Die size | 217 mm2 | 112 mm2 |
| Maximum case temperature (TCase) | 78 °C | 75 °C |
| Number of transistors | 42 million | 125 million |
| 64 bit support | - | - |
| Windows 11 compatibility | - | - |
Compatibility
Information on Pentium 4 1.8A and Mobile Pentium 4 HT 538 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 | 1 |
| Socket | 423 | 478 |
| Power consumption (TDP) | 67 Watt | 88 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Pentium 4 1.8A and Mobile Pentium 4 HT 538. You'll probably need this information if you require some particular technology.
| Hyper-Threading Technology | no data | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Pentium 4 1.8A and Mobile Pentium 4 HT 538. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | no data | DDR1, DDR2 |
Pros & cons summary
| Threads | 1 | 2 |
| Chip lithography | 180 nm | 90 nm |
| Power consumption (TDP) | 67 Watt | 88 Watt |
Pentium 4 1.8A has 31.3% lower power consumption.
Mobile Pentium 4 HT 538, on the other hand, has 100% more threads, and a 100% more advanced lithography process.
We couldn't decide between Pentium 4 1.8A and Mobile Pentium 4 HT 538. We've got no test results to judge.
Note that Pentium 4 1.8A is a desktop processor while Mobile Pentium 4 HT 538 is a notebook one.
Should you still have questions on choice between Pentium 4 1.8A and Mobile Pentium 4 HT 538, ask them in Comments section, and we shall answer.
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