A100 vs Pentium D 955
Contents
Primary details
Comparing 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 |
| Designer | Intel | Intel |
| Architecture codename | Presler (2005−2007) | Stealey (2007) |
| Release date | January 2006 (19 years ago) | June 2007 (18 years ago) |
Detailed specifications
Pentium D 955 and A100 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) | 1 (Single-Core) |
| Threads | no data | 1 |
| Boost clock speed | 3.46 GHz | 0.6 GHz |
| L1 cache | 28 KB | 64 KB (per core) |
| L2 cache | 4096 KB | 512 KB (per core) |
| L3 cache | 0 KB | 0 KB |
| Chip lithography | 65 nm | 90 nm |
| Die size | 140 mm2 | 66 mm2 |
| Number of transistors | 376 million | 176 million |
| 64 bit support | + | - |
| Windows 11 compatibility | - | - |
Compatibility
Information on Pentium D 955 and A100 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 | Intel BGA 437 |
| Power consumption (TDP) | 130 Watt | 3 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Pentium D 955 and A100. You'll probably need this information if you require some particular technology.
| Enhanced SpeedStep (EIST) | + | no data |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Pentium D 955 and A100. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR1, DDR2, DDR3 | DDR2 |
Pros & cons summary
| Physical cores | 2 | 1 |
| Chip lithography | 65 nm | 90 nm |
| Power consumption (TDP) | 130 Watt | 3 Watt |
Pentium D 955 has 100% more physical cores, and a 38.5% more advanced lithography process.
A100, on the other hand, has 4233.3% lower power consumption.
We couldn't decide between Intel Pentium D 955 and Intel A100. We've got no test results to judge.
Note that Pentium D 955 is a desktop processor while A100 is a notebook one.
Other comparisons
We've compiled a selection of CPU comparisons, ranging from closely matched processors to other comparisons that may be of interest.
