Xeon D-1823NT vs Pentium D 840 EE
Primary details
Comparing Pentium D 840 EE and Xeon D-1823NT 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 | Server |
| Architecture codename | Smithfield (2005) | no data |
| Release date | May 2005 (19 years ago) | 1 October 2023 (1 year ago) |
Detailed specifications
Pentium D 840 EE and Xeon D-1823NT 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) | 6 (Hexa-Core) |
| Threads | 4 | 12 |
| Base clock speed | no data | 2.8 GHz |
| Boost clock speed | 3.2 GHz | 3.5 GHz |
| L1 cache | 28 KB | no data |
| L2 cache | 2 MB | no data |
| L3 cache | 0 KB | 10240 KB |
| Chip lithography | 90 nm | no data |
| Die size | 206 mm2 | no data |
| Number of transistors | 169 million | no data |
| 64 bit support | + | + |
| Windows 11 compatibility | - | no data |
Compatibility
Information on Pentium D 840 EE and Xeon D-1823NT 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 | no data |
| Socket | 775 | FCBGA2227 |
| Power consumption (TDP) | 130 Watt | 55 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Pentium D 840 EE and Xeon D-1823NT. You'll probably need this information if you require some particular technology.
| Instruction set extensions | no data | Intel® AVX-512 |
| AES-NI | - | + |
| Enhanced SpeedStep (EIST) | + | + |
| QuickAssist | no data | + |
| Turbo Boost Technology | no data | 2.0 |
| Hyper-Threading Technology | no data | + |
| Thermal Monitoring | - | + |
| Deep Learning Boost | - | + |
Security technologies
Pentium D 840 EE and Xeon D-1823NT technologies aimed at improving security, for example, by protecting against hacks.
| TXT | no data | - |
| EDB | no data | + |
| SGX | no data | Yes with Intel® SPS |
Virtualization technologies
Virtual machine speed-up technologies supported by Pentium D 840 EE and Xeon D-1823NT are enumerated here.
| VT-d | no data | + |
| VT-x | no data | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Pentium D 840 EE and Xeon D-1823NT. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR1, DDR2, DDR3 | DDR4 |
| Maximum memory size | no data | 256 GB |
| Max memory channels | no data | 2 |
| ECC memory support | - | + |
Peripherals
Specifications and connection of peripherals supported by Pentium D 840 EE and Xeon D-1823NT.
| PCIe version | no data | 4.0 |
| PCI Express lanes | no data | 16 |
| USB revision | no data | 3.0 |
| Max number of SATA 6 Gb/s Ports | no data | 24 |
| Number of USB ports | no data | 4 |
| Integrated LAN | no data | + |
Pros & cons summary
| Physical cores | 2 | 6 |
| Threads | 4 | 12 |
| Power consumption (TDP) | 130 Watt | 55 Watt |
Xeon D-1823NT has 200% more physical cores and 200% more threads, and 136.4% lower power consumption.
We couldn't decide between Pentium D 840 EE and Xeon D-1823NT. We've got no test results to judge.
Note that Pentium D 840 EE is a desktop processor while Xeon D-1823NT is a server/workstation one.
Should you still have questions on choice between Pentium D 840 EE and Xeon D-1823NT, ask them in Comments section, and we shall answer.
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