Xeon D-2779 vs E5405
Primary details
Comparing Xeon E5405 and Xeon D-2779 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 2421 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Server | Server |
| Power efficiency | 1.28 | no data |
| Release date | 1 October 2007 (17 years ago) | 1 January 2022 (2 years ago) |
Detailed specifications
Xeon E5405 and Xeon D-2779 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 | no data | 16 (Hexadeca-Core) |
| Performance-cores | no data | 16 |
| Threads | no data | 32 |
| Base clock speed | 2 GHz | 2.5 GHz |
| Boost clock speed | no data | 3.4 GHz |
| L3 cache | 12 MB L2 Cache | 25 MB |
| Chip lithography | 45 nm | 10 nm |
| Maximum core temperature | 67 °C | no data |
| 64 bit support | + | + |
| Windows 11 compatibility | - | + |
| VID voltage range | 0.85V-1.35V | no data |
Compatibility
Information on Xeon E5405 and Xeon D-2779 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 | LGA771 | FCBGA2579 |
| Power consumption (TDP) | 80 Watt | 126 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Xeon E5405 and Xeon D-2779. 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 | - | + |
| Idle States | - | no data |
| Thermal Monitoring | + | + |
| Demand Based Switching | - | no data |
| FSB parity | + | no data |
| Deep Learning Boost | - | + |
Security technologies
Xeon E5405 and Xeon D-2779 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 Xeon E5405 and Xeon D-2779 are enumerated here.
| VT-d | no data | + |
| VT-x | + | + |
| EPT | - | no data |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Xeon E5405 and Xeon D-2779. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | no data | DDR4 |
| Maximum memory size | no data | 1 TB |
| Max memory channels | no data | 4 |
| ECC memory support | - | + |
Peripherals
Specifications and connection of peripherals supported by Xeon E5405 and Xeon D-2779.
| PCIe version | no data | 4.0 |
| PCI Express lanes | no data | 32 |
| 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 October 2007 | 1 January 2022 |
| Chip lithography | 45 nm | 10 nm |
| Power consumption (TDP) | 80 Watt | 126 Watt |
Xeon E5405 has 57.5% lower power consumption.
Xeon D-2779, on the other hand, has an age advantage of 14 years, and a 350% more advanced lithography process.
We couldn't decide between Xeon E5405 and Xeon D-2779. We've got no test results to judge.
Should you still have questions on choice between Xeon E5405 and Xeon D-2779, ask them in Comments section, and we shall answer.
Similar processor comparisons
We picked several similar comparisons of processors in the same market segment and performance relatively close to those reviewed on this page.
