Pentium D 955 vs Sempron X2 2100
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 | Desktop processor |
| Designer | AMD | Intel |
| Architecture codename | Brisbane (2007−2008) | Presler (2005−2007) |
| Release date | March 2008 (17 years ago) | January 2006 (19 years ago) |
Detailed specifications
Sempron X2 2100 and Pentium D 955 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 | 2 | no data |
| Boost clock speed | 1.8 GHz | 3.46 GHz |
| L1 cache | 128 KB | 28 KB |
| L2 cache | 256 KB | 4096 KB |
| L3 cache | 0 KB | 0 KB |
| Chip lithography | 65 nm | 65 nm |
| Die size | 118 mm2 | 140 mm2 |
| Number of transistors | 221 million | 376 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
Compatibility
Information on Sempron X2 2100 and Pentium D 955 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 | 2 |
| Socket | AM2 | 775 |
| Power consumption (TDP) | 65 Watt | 130 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Sempron X2 2100 and Pentium D 955. 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 Sempron X2 2100 and Pentium D 955. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | no data | DDR1, DDR2, DDR3 |
Other comparisons
We've compiled a selection of CPU comparisons, ranging from closely matched processors to other comparisons that may be of interest.
