Intel Xeon Silver 4123: specs and benchmarks
Aggregate performance score
Xeon Silver 4123 provides acceptable benchmark performance at 9.31% of a leader's which is a 96-core Ryzen Threadripper PRO 7995WX.
Summary
Intel started Xeon Silver 4123 sales 1 January 2018. This is desktop processor primarily aimed at office systems.
Compatibility-wise, this is processor with a TDP of 105 Watt.
Primary details
Xeon Silver 4123 processor market type (desktop or notebook), architecture, sales start time and pricing.
| Place in performance ranking | 790 | |
| Place by popularity | not in top-100 | |
| Market segment | Server | |
| Release date | 1 January 2018 (6 years ago) |
Detailed specifications
Basic microprocessor parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters can generally indicate CPU performance, but to be more precise you have to review its test results.
| 64 bit support | - | |
| Windows 11 compatibility | - | |
| Unlocked multiplier | No |
Compatibility
Information on Xeon Silver 4123 compatibility with other computer components and devices: 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.
| Power consumption (TDP) | 105 Watt | of 400 (Xeon Platinum 9282) |
Memory specs
Types, maximum amount and channel number of RAM supported by Xeon Silver 4123's memory controller. Depending on the motherboard, higher memory frequency may be supported.
| ECC memory support | + |
Peripherals
Specifications and connection types of supported peripherals.
| PCI Express lanes | 48 | of 128 (EPYC 7551P) |
Benchmark performance
Single-core and multi-core benchmark results of Xeon Silver 4123. Overall benchmark performance is measured in points in 0-100 range, higher is better.
Combined synthetic benchmark score
This is our combined benchmark performance rating. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.
Passmark
Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance.
Benchmark coverage: 68%
Send your test results of Xeon Silver 4123.
Similar processors
Here is our recommendation of several processors that are more or less close in performance to the one reviewed.
