Pentium D 955 vs Xeon 5148
Contents
Primary details
Comparing processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 3112 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 3.05 | no data |
| Market segment | Server | Desktop processor |
| Power efficiency | 1.39 | no data |
| Designer | Intel | Intel |
| Architecture codename | Woodcrest (2006) | Presler (2005−2007) |
| Release date | June 2006 (19 years ago) | January 2006 (19 years ago) |
| Launch price (MSRP) | $9 | no data |
Cost-effectiveness evaluation
Performance per price, higher is better.
Performance to price scatter graph
Detailed specifications
Xeon 5148 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 | 2.33 GHz | 3.46 GHz |
| L1 cache | 0 KB | 28 KB |
| L2 cache | 4 MB | 4096 KB |
| L3 cache | 0 KB | 0 KB |
| Chip lithography | 65 nm | 65 nm |
| Die size | no data | 140 mm2 |
| Number of transistors | no data | 376 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
Compatibility
Information on Xeon 5148 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 | 1 | 2 |
| Socket | 771 | 775 |
| Power consumption (TDP) | 40 Watt | 130 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Xeon 5148 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 Xeon 5148 and Pentium D 955. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR2 | DDR1, DDR2, DDR3 |
Pros & cons summary
| Power consumption (TDP) | 40 Watt | 130 Watt |
Xeon 5148 has 225% lower power consumption.
We couldn't decide between Intel Xeon 5148 and Intel Pentium D 955. We've got no test results to judge.
Be aware that Xeon 5148 is a server/workstation processor while Pentium D 955 is a desktop one.
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