Xeon Gold 5423N vs 2.66
Primary details
Comparing Xeon 2.66 and Xeon Gold 5423N 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 | Prestonia (2002) | Sapphire Rapids (2023−2024) |
| Release date | November 2002 (22 years ago) | 10 January 2023 (1 year ago) |
Detailed specifications
Xeon 2.66 and Xeon Gold 5423N 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 | 2.1 GHz |
| Boost clock speed | 2.66 GHz | 4 GHz |
| L1 cache | 16 KB | 80K (per core) |
| L2 cache | 512 KB | 2 MB (per core) |
| L3 cache | 0 KB | 37.5 MB |
| Chip lithography | 130 nm | Intel 7 nm |
| Die size | 217 mm2 | no data |
| Maximum case temperature (TCase) | no data | 83 °C |
| Number of transistors | 55 million | no data |
| 64 bit support | - | + |
| Windows 11 compatibility | - | no data |
Compatibility
Information on Xeon 2.66 and Xeon Gold 5423N 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 | 2 | 1 |
| Socket | 604 | FCLGA4677 |
| Power consumption (TDP) | 89 Watt | 145 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Xeon 2.66 and Xeon Gold 5423N. You'll probably need this information if you require some particular technology.
| Instruction set extensions | no data | Intel® SSE4.2, Intel® AVX, Intel® AVX2, Intel® AVX-512 |
| AES-NI | - | + |
| AVX | - | + |
| Enhanced SpeedStep (EIST) | no data | + |
| Speed Shift | no data | + |
| Turbo Boost Technology | no data | 2.0 |
| Hyper-Threading Technology | no data | + |
| TSX | - | + |
| Deep Learning Boost | - | + |
Security technologies
Xeon 2.66 and Xeon Gold 5423N technologies aimed at improving security, for example, by protecting against hacks.
| TXT | no data | + |
| EDB | no data | + |
| SGX | no data | Yes with Intel® SPS |
| OS Guard | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Xeon 2.66 and Xeon Gold 5423N are enumerated here.
| VT-d | no data | + |
| VT-x | no data | + |
| EPT | no data | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Xeon 2.66 and Xeon Gold 5423N. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | no data | DDR5-4000 |
| Maximum memory size | no data | 4 TB |
| Max memory channels | no data | 8 |
| ECC memory support | - | + |
Peripherals
Specifications and connection of peripherals supported by Xeon 2.66 and Xeon Gold 5423N.
| PCIe version | no data | 4 |
| PCI Express lanes | no data | 48 |
Pros & cons summary
| Physical cores | 1 | 20 |
| Threads | 1 | 40 |
| Power consumption (TDP) | 89 Watt | 145 Watt |
Xeon 2.66 has 62.9% lower power consumption.
Xeon Gold 5423N, on the other hand, has 1900% more physical cores and 3900% more threads.
We couldn't decide between Xeon 2.66 and Xeon Gold 5423N. We've got no test results to judge.
Should you still have questions on choice between Xeon 2.66 and Xeon Gold 5423N, ask them in Comments section, and we shall answer.
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