Xeon D-1523N vs Pentium D 950
Primary details
Comparing Pentium D 950 and Xeon D-1523N processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 2975 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Desktop processor | Server |
| Series | no data | Intel Xeon D |
| Power efficiency | 0.31 | no data |
| Architecture codename | Presler (2005−2007) | Broadwell (2015−2019) |
| Release date | 16 January 2006 (18 years ago) | no data |
| Launch price (MSRP) | $637 | $256 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
Pentium D 950 and Xeon D-1523N 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) | 4 (Quad-Core) |
| Threads | 2 | 8 |
| Base clock speed | 3.4 GHz | 2 GHz |
| Boost clock speed | 3.4 GHz | 2.6 GHz |
| Bus type | no data | DMI 2.0 |
| Multiplier | no data | 20 |
| L1 cache | 16 KB (per core) | 256 KB |
| L2 cache | 2 MB (per die) | 1 MB |
| L3 cache | 0 KB | 6 MB |
| Chip lithography | 65 nm | 14 nm |
| Die size | 2x 81 mm2 | 246.24 mm2 |
| Maximum core temperature | C1+D0=63 °C, B1=69 °C | no data |
| Number of transistors | 376 million | 3200 Million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
| VID voltage range | 1.2V-1.3375V | no data |
Compatibility
Information on Pentium D 950 and Xeon D-1523N 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 (Uniprocessor) |
| Socket | LGA775,PLGA775 | FCBGA1667 |
| Power consumption (TDP) | 130 Watt | 45 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Pentium D 950 and Xeon D-1523N. You'll probably need this information if you require some particular technology.
| Instruction set extensions | no data | Intel® AVX2 |
| AES-NI | - | + |
| AVX | - | + |
| Enhanced SpeedStep (EIST) | + | + |
| QuickAssist | no data | + |
| Turbo Boost Technology | - | 2.0 |
| Hyper-Threading Technology | - | + |
| TSX | - | + |
| Idle States | + | + |
| Thermal Monitoring | - | + |
| Demand Based Switching | - | no data |
| PAE | 32 Bit | no data |
| GPIO | no data | + |
| FSB parity | - | no data |
Security technologies
Pentium D 950 and Xeon D-1523N technologies aimed at improving security, for example, by protecting against hacks.
| TXT | - | + |
| EDB | + | + |
| Secure Key | no data | + |
| OS Guard | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Pentium D 950 and Xeon D-1523N are enumerated here.
| VT-d | - | + |
| VT-x | + | + |
| EPT | no data | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Pentium D 950 and Xeon D-1523N. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR1, DDR2, DDR3 | DDR4, DDR3 |
| Maximum memory size | no data | 128 GB |
| Max memory channels | no data | 2 |
| Maximum memory bandwidth | no data | 29.861 GB/s |
| ECC memory support | - | + |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | On certain motherboards (Chipset feature) | no data |
Peripherals
Specifications and connection of peripherals supported by Pentium D 950 and Xeon D-1523N.
| PCIe version | no data | 2.0/3.0 |
| PCI Express lanes | no data | 32 |
| USB revision | no data | 2.0/3.0 |
| Total number of SATA ports | no data | 6 |
| Max number of SATA 6 Gb/s Ports | no data | 6 |
| Number of USB ports | no data | 8 |
| Integrated LAN | no data | + |
| UART | no data | + |
Pros & cons summary
| Physical cores | 2 | 4 |
| Threads | 2 | 8 |
| Chip lithography | 65 nm | 14 nm |
| Power consumption (TDP) | 130 Watt | 45 Watt |
Xeon D-1523N has 100% more physical cores and 300% more threads, a 364.3% more advanced lithography process, and 188.9% lower power consumption.
We couldn't decide between Pentium D 950 and Xeon D-1523N. We've got no test results to judge.
Note that Pentium D 950 is a desktop processor while Xeon D-1523N is a server/workstation one.
Should you still have questions on choice between Pentium D 950 and Xeon D-1523N, ask them in Comments section, and we shall answer.
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