Xeon D-2896NT vs Opteron 856
Primary details
Comparing Opteron 856 and Xeon D-2896NT 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 | Server | Server |
| Architecture codename | Athens (2003−2006) | no data |
| Release date | April 2006 (18 years ago) | 1 October 2023 (1 year ago) |
Detailed specifications
Opteron 856 and Xeon D-2896NT 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 | 1 (Single-Core) | 20 (Icosa-Core) |
| Threads | 1 | 40 |
| Base clock speed | no data | 2 GHz |
| Boost clock speed | 3 GHz | 3.2 GHz |
| L1 cache | 128 KB | no data |
| L2 cache | 1 MB | no data |
| L3 cache | 0 KB | 30 MB |
| Chip lithography | 90 nm | no data |
| Number of transistors | 106 million | no data |
| 64 bit support | + | + |
| Windows 11 compatibility | - | no data |
Compatibility
Information on Opteron 856 and Xeon D-2896NT 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 | 8 | no data |
| Socket | 940 | FCBGA2579 |
| Power consumption (TDP) | 92 Watt | 117 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Opteron 856 and Xeon D-2896NT. 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) | no data | + |
| QuickAssist | no data | + |
| Turbo Boost Technology | no data | 2.0 |
| Hyper-Threading Technology | no data | + |
| Thermal Monitoring | - | + |
| Deep Learning Boost | - | + |
Security technologies
Opteron 856 and Xeon D-2896NT 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 Opteron 856 and Xeon D-2896NT are enumerated here.
| VT-d | no data | + |
| VT-x | no data | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Opteron 856 and Xeon D-2896NT. 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 Opteron 856 and Xeon D-2896NT.
| 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
| Physical cores | 1 | 20 |
| Threads | 1 | 40 |
| Power consumption (TDP) | 92 Watt | 117 Watt |
Opteron 856 has 27.2% lower power consumption.
Xeon D-2896NT, on the other hand, has 1900% more physical cores and 3900% more threads.
We couldn't decide between Opteron 856 and Xeon D-2896NT. We've got no test results to judge.
Should you still have questions on choice between Opteron 856 and Xeon D-2896NT, ask them in Comments section, and we shall answer.
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