Xeon D-2899NT vs Athlon 64 FX-51
Primary details
Comparing Athlon 64 FX-51 and Xeon D-2899NT processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 3135 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Desktop processor | Server |
| Power efficiency | 0.30 | no data |
| Architecture codename | SledgeHammer (2003−2005) | Ice Lake-D (2022−2023) |
| Release date | September 2003 (21 year ago) | 14 December 2023 (1 year ago) |
| Launch price (MSRP) | no data | $2,138 |
Detailed specifications
Athlon 64 FX-51 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 | no data | 2.2 GHz |
| Boost clock speed | 2.2 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 | 130 nm | 10 nm |
| Die size | 193 mm2 | no data |
| Number of transistors | 105 million | no data |
| 64 bit support | + | + |
| Windows 11 compatibility | - | no data |
Compatibility
Information on Athlon 64 FX-51 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 | 940 | FCBGA2579 |
| Power consumption (TDP) | 89 Watt | 135 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Athlon 64 FX-51 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
Athlon 64 FX-51 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 Athlon 64 FX-51 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 Athlon 64 FX-51 and Xeon D-2899NT. 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 | - | + |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | no data | N/A |
Peripherals
Specifications and connection of peripherals supported by Athlon 64 FX-51 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
| Physical cores | 1 | 22 |
| Threads | 1 | 44 |
| Chip lithography | 130 nm | 10 nm |
| Power consumption (TDP) | 89 Watt | 135 Watt |
Athlon 64 FX-51 has 51.7% lower power consumption.
Xeon D-2899NT, on the other hand, has 2100% more physical cores and 4300% more threads, and a 1200% more advanced lithography process.
We couldn't decide between Athlon 64 FX-51 and Xeon D-2899NT. We've got no test results to judge.
Note that Athlon 64 FX-51 is a desktop processor while Xeon D-2899NT is a server/workstation one.
Should you still have questions on choice between Athlon 64 FX-51 and Xeon D-2899NT, ask them in Comments section, and we shall answer.
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