Xeon 6736P vs Silver 4123
Aggregate performance score
Xeon 6736P outperforms Xeon Silver 4123 by a whopping 248% based on our aggregate benchmark results.
Contents
Primary details
Comparing processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 1027 | 200 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Server | Server |
| Power efficiency | 3.30 | 5.88 |
| Designer | Intel | Intel |
| Release date | 1 January 2018 (7 years ago) | 1 January 2025 (less than a year ago) |
Detailed specifications
Xeon Silver 4123 and Xeon 6736P 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) | 36 |
| Threads | 16 | 72 |
| Base clock speed | 3 GHz | 2 GHz |
| Boost clock speed | 3.2 GHz | 4.1 GHz |
| L3 cache | 11 MB | 144 MB |
| Chip lithography | 14 nm | Intel 3 nm |
| Maximum core temperature | no data | 87 °C |
| 64 bit support | - | - |
| Windows 11 compatibility | - | no data |
Compatibility
Information on Xeon Silver 4123 and Xeon 6736P 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.
| Socket | FCLGA3647 | FCLGA4710 |
| Power consumption (TDP) | 105 Watt | 205 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Xeon Silver 4123 and Xeon 6736P. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Intel® AVX-512 | Intel® SSE4.2, Intel® AVX, Intel® AVX2, Intel® AVX-512, Intel® AMX |
| AES-NI | + | + |
| vPro | + | no data |
| Speed Shift | + | + |
| Turbo Boost Technology | 2.0 | 2.0 |
| Hyper-Threading Technology | + | + |
| TSX | + | + |
| Turbo Boost Max 3.0 | - | no data |
| Deep Learning Boost | - | + |
Security technologies
Xeon Silver 4123 and Xeon 6736P technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | + |
| EDB | no data | + |
| SGX | no data | + |
| OS Guard | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Xeon Silver 4123 and Xeon 6736P are enumerated here.
| VT-d | no data | + |
| VT-x | + | + |
| EPT | no data | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Xeon Silver 4123 and Xeon 6736P. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4-2400 | DDR5(6400MT/s) |
| Maximum memory size | 512 GB | 4 TB |
| Max memory channels | 6 | 8 |
| ECC memory support | + | + |
Peripherals
Specifications and connection of peripherals supported by Xeon Silver 4123 and Xeon 6736P.
| PCIe version | 3.0 | 5.0 |
| PCI Express lanes | 48 | 88 |
Synthetic benchmarks
Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.
Combined synthetic benchmark score
This is our combined benchmark performance rating.
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. Other than that, Passmark measures multi-core performance.
Pros & cons summary
| Performance score | 8.15 | 28.34 |
| Recency | 1 January 2018 | 1 January 2025 |
| Physical cores | 8 | 36 |
| Threads | 16 | 72 |
| Power consumption (TDP) | 105 Watt | 205 Watt |
Xeon Silver 4123 has 95.2% lower power consumption.
Xeon 6736P, on the other hand, has a 247.7% higher aggregate performance score, an age advantage of 7 years, and 350% more physical cores and 350% more threads.
The Intel Xeon 6736P is our recommended choice as it beats the Intel Xeon Silver 4123 in performance tests.
Other comparisons
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