Celeron 947UE vs Pentium 4 HT 640
Primary details
Comparing Pentium 4 HT 640 and Celeron 947UE 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 | Prescott (2001−2005) | Ivy Bridge (2012−2013) |
| Release date | February 2005 (19 years ago) | 20 January 2013 (11 years ago) |
Detailed specifications
Pentium 4 HT 640 and Celeron 947UE 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 |
| Boost clock speed | 3.2 GHz | 1.4 GHz |
| L1 cache | 28 KB | 64 KB (per core) |
| L2 cache | 2 MB | 256 KB (per core) |
| L3 cache | 0 KB | 1024 KB |
| Chip lithography | 90 nm | 22 nm |
| Die size | 109 mm2 | 118 mm2 |
| Maximum case temperature (TCase) | no data | 105 °C |
| Number of transistors | 169 million | 1,400 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
Compatibility
Information on Pentium 4 HT 640 and Celeron 947UE 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 | 775 | Intel BGA1023 |
| Power consumption (TDP) | 84 Watt | 17 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Pentium 4 HT 640 and Celeron 947UE. You'll probably need this information if you require some particular technology.
| Enhanced SpeedStep (EIST) | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Pentium 4 HT 640 and Celeron 947UE are enumerated here.
| VT-x | no data | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Pentium 4 HT 640 and Celeron 947UE. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR1, DDR2, DDR3 | DDR3 |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | no data | Intel HD |
Pros & cons summary
| Threads | 2 | 1 |
| Chip lithography | 90 nm | 22 nm |
| Power consumption (TDP) | 84 Watt | 17 Watt |
Pentium 4 HT 640 has 100% more threads.
Celeron 947UE, on the other hand, has a 309.1% more advanced lithography process, and 394.1% lower power consumption.
We couldn't decide between Pentium 4 HT 640 and Celeron 947UE. We've got no test results to judge.
Note that Pentium 4 HT 640 is a desktop processor while Celeron 947UE is a notebook one.
Should you still have questions on choice between Pentium 4 HT 640 and Celeron 947UE, ask them in Comments section, and we shall answer.
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