Pentium Dual-Core E2140 vs Pentium D 955
Primary details
Comparing Pentium D 955 and Pentium Dual-Core E2140 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 | Desktop processor |
| Architecture codename | Presler (2005−2007) | Allendale (2006−2009) |
| Release date | January 2006 (18 years ago) | June 2007 (17 years ago) |
Detailed specifications
Pentium D 955 and Pentium Dual-Core E2140 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 | 2 (Dual-core) | 2 (Dual-core) |
| Threads | no data | 2 |
| Boost clock speed | 3.46 GHz | 1.6 GHz |
| L1 cache | 28 KB | 64 KB (per core) |
| L2 cache | 4096 KB | 1 MB (shared) |
| L3 cache | 0 KB | 0 KB |
| Chip lithography | 65 nm | 65 nm |
| Die size | 140 mm2 | 77 mm2 |
| Number of transistors | 376 million | 105 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
Compatibility
Information on Pentium D 955 and Pentium Dual-Core E2140 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 | 2 | 1 |
| Socket | 775 | 775 |
| Power consumption (TDP) | 130 Watt | 65 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Pentium D 955 and Pentium Dual-Core E2140. You'll probably need this information if you require some particular technology.
| Enhanced SpeedStep (EIST) | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Pentium D 955 and Pentium Dual-Core E2140. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR1, DDR2, DDR3 | DDR1, DDR2, DDR3 |
Pros & cons summary
| Power consumption (TDP) | 130 Watt | 65 Watt |
Pentium Dual-Core E2140 has 100% lower power consumption.
We couldn't decide between Pentium D 955 and Pentium Dual-Core E2140. We've got no test results to judge.
Should you still have questions on choice between Pentium D 955 and Pentium Dual-Core E2140, ask them in Comments section, and we shall answer.
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