Xeon D-1844NT vs Core 2 Duo T6400
Primary details
Comparing Core 2 Duo T6400 and Xeon D-1844NT 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 | Laptop | Server |
| Series | Intel Core 2 Duo | no data |
| Architecture codename | Penryn (2008−2011) | no data |
| Release date | 1 January 2009 (15 years ago) | 1 October 2023 (1 year ago) |
Detailed specifications
Core 2 Duo T6400 and Xeon D-1844NT 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) | 10 (Deca-Core) |
| Threads | 2 | 20 |
| Base clock speed | 2 GHz | 2 GHz |
| Boost clock speed | 2 GHz | 3.1 GHz |
| Bus rate | 800 MHz | no data |
| L2 cache | 2 MB | no data |
| L3 cache | 2 MB L2 Cache | 15360 KB |
| Chip lithography | 45 nm | no data |
| Maximum core temperature | 105 °C | no data |
| 64 bit support | + | + |
| Windows 11 compatibility | - | no data |
| VID voltage range | 1V-1.25V | no data |
Compatibility
Information on Core 2 Duo T6400 and Xeon D-1844NT 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.
| Socket | PGA478 | FCBGA2227 |
| Power consumption (TDP) | 35 Watt | 55 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core 2 Duo T6400 and Xeon D-1844NT. 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 | - | 2.0 |
| Hyper-Threading Technology | - | + |
| Thermal Monitoring | - | + |
| Demand Based Switching | - | no data |
| Deep Learning Boost | - | + |
Security technologies
Core 2 Duo T6400 and Xeon D-1844NT technologies aimed at improving security, for example, by protecting against hacks.
| TXT | - | - |
| EDB | + | + |
| SGX | no data | Yes with Intel® SPS |
Virtualization technologies
Virtual machine speed-up technologies supported by Core 2 Duo T6400 and Xeon D-1844NT are enumerated here.
| VT-d | no data | + |
| VT-x | - | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Core 2 Duo T6400 and Xeon D-1844NT. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | no data | 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 Core 2 Duo T6400 and Xeon D-1844NT.
| 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
| Recency | 1 January 2009 | 1 October 2023 |
| Physical cores | 2 | 10 |
| Threads | 2 | 20 |
| Power consumption (TDP) | 35 Watt | 55 Watt |
Core 2 Duo T6400 has 57.1% lower power consumption.
Xeon D-1844NT, on the other hand, has an age advantage of 14 years, and 400% more physical cores and 900% more threads.
We couldn't decide between Core 2 Duo T6400 and Xeon D-1844NT. We've got no test results to judge.
Be aware that Core 2 Duo T6400 is a notebook processor while Xeon D-1844NT is a server/workstation one.
Should you still have questions on choice between Core 2 Duo T6400 and Xeon D-1844NT, ask them in Comments section, and we shall answer.
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