Xeon D-2899NT vs Opteron 156
Primary details
Comparing Opteron 156 and Xeon D-2899NT 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 | Venus (2004−2005) | Ice Lake-D (2022−2023) |
| Release date | 4 May 2005 (19 years ago) | 14 December 2023 (less than a year ago) |
| Launch price (MSRP) | no data | $2,138 |
Detailed specifications
Opteron 156 and Xeon D-2899NT 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) | 22 (Docosa-Core) |
| Threads | 1 | 44 |
| Base clock speed | 3 GHz | 2.2 GHz |
| Boost clock speed | 3 GHz | 3.1 GHz |
| L1 cache | 128 KB | 80 KB (per core) |
| L2 cache | 1 MB | 1.25 MB (per core) |
| L3 cache | 0 KB | 30 MB (shared) |
| Chip lithography | 90 nm | 10 nm |
| Die size | 115 mm2 | no data |
| Number of transistors | 114 million | no data |
| 64 bit support | + | + |
| Windows 11 compatibility | - | no data |
Compatibility
Information on Opteron 156 and Xeon D-2899NT 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 |
| Socket | 939 | FCBGA2579 |
| Power consumption (TDP) | 104 Watt | 135 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Opteron 156 and Xeon D-2899NT. You'll probably need this information if you require some particular technology.
| Instruction set extensions | no data | Intel® AVX-512 |
| AES-NI | - | + |
| AVX | - | + |
| 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 156 and Xeon D-2899NT 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 156 and Xeon D-2899NT are enumerated here.
| VT-d | no data | + |
| VT-x | no data | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Opteron 156 and Xeon D-2899NT. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR1 | DDR4 |
| Maximum memory size | no data | 1 TB |
| Max memory channels | no data | 4 |
| ECC memory support | - | + |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | On certain motherboards (Chipset feature) | N/A |
Peripherals
Specifications and connection of peripherals supported by Opteron 156 and Xeon D-2899NT.
| 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 | 4 May 2005 | 14 December 2023 |
| Physical cores | 1 | 22 |
| Threads | 1 | 44 |
| Chip lithography | 90 nm | 10 nm |
| Power consumption (TDP) | 104 Watt | 135 Watt |
Opteron 156 has 29.8% lower power consumption.
Xeon D-2899NT, on the other hand, has an age advantage of 18 years, 2100% more physical cores and 4300% more threads, and a 800% more advanced lithography process.
We couldn't decide between Opteron 156 and Xeon D-2899NT. We've got no test results to judge.
Should you still have questions on choice between Opteron 156 and Xeon D-2899NT, ask them in Comments section, and we shall answer.
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