Ultra 7 266V vs Xeon Silver 4123
Primary details
Comparing Xeon Silver 4123 and Core Ultra 7 266V processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 837 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Server | Laptop |
| Power efficiency | 8.17 | no data |
| Architecture codename | no data | Lunar Lake (2024) |
| Release date | 1 January 2018 (6 years ago) | 24 September 2024 (less than a year ago) |
Detailed specifications
Xeon Silver 4123 and Core Ultra 7 266V 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 | 8 (Octa-Core) | 8 (Octa-Core) |
| Threads | 16 | 8 |
| Base clock speed | 3 GHz | 2.2 GHz |
| Boost clock speed | 3.2 GHz | 5 GHz |
| Bus rate | no data | 37 MHz |
| L1 cache | no data | 192 KB (per core) |
| L2 cache | no data | 2.5 MB (per core) |
| L3 cache | 11 MB | 12 MB (shared) |
| Chip lithography | 14 nm | 3 nm |
| Maximum core temperature | no data | 100 °C |
| 64 bit support | - | + |
| Windows 11 compatibility | - | no data |
Compatibility
Information on Xeon Silver 4123 and Core Ultra 7 266V 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 | no data | 1 |
| Socket | FCLGA3647 | Intel BGA 2833 |
| Power consumption (TDP) | 105 Watt | 17 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Xeon Silver 4123 and Core Ultra 7 266V. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Intel® AVX-512 | no data |
| AES-NI | + | + |
| AVX | - | + |
| vPro | + | no data |
| Enhanced SpeedStep (EIST) | no data | + |
| Speed Shift | + | no data |
| Turbo Boost Technology | 2.0 | no data |
| Hyper-Threading Technology | + | no data |
| TSX | + | + |
| Turbo Boost Max 3.0 | - | no data |
Security technologies
Xeon Silver 4123 and Core Ultra 7 266V technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Xeon Silver 4123 and Core Ultra 7 266V are enumerated here.
| VT-d | no data | + |
| VT-x | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Xeon Silver 4123 and Core Ultra 7 266V. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4-2400 | DDR5 |
| Maximum memory size | 512 GB | no data |
| Max memory channels | 6 | no data |
| ECC memory support | + | - |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | no data | Arc 140V |
Peripherals
Specifications and connection of peripherals supported by Xeon Silver 4123 and Core Ultra 7 266V.
| PCIe version | 3.0 | 5.0 |
| PCI Express lanes | 48 | 4 |
Pros & cons summary
| Recency | 1 January 2018 | 24 September 2024 |
| Threads | 16 | 8 |
| Chip lithography | 14 nm | 3 nm |
| Power consumption (TDP) | 105 Watt | 17 Watt |
Xeon Silver 4123 has 100% more threads.
Ultra 7 266V, on the other hand, has an age advantage of 6 years, a 366.7% more advanced lithography process, and 517.6% lower power consumption.
We couldn't decide between Xeon Silver 4123 and Core Ultra 7 266V. We've got no test results to judge.
Be aware that Xeon Silver 4123 is a server/workstation processor while Core Ultra 7 266V is a notebook one.
Should you still have questions on choice between Xeon Silver 4123 and Core Ultra 7 266V, ask them in Comments section, and we shall answer.
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