Xeon Silver 4123 vs Ryzen 9 5900HS
Aggregate performance score
Ryzen 9 5900HS outperforms Xeon Silver 4123 by a considerable 47% 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 | 709 | 1029 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Server |
| Series | AMD Cezanne (Zen 3, Ryzen 5000) | no data |
| Power efficiency | 14.61 | 3.31 |
| Designer | AMD | Intel |
| Manufacturer | TSMC | no data |
| Architecture codename | Cezanne-HS (Zen 3) (2021) | no data |
| Release date | 12 January 2021 (4 years ago) | 1 January 2018 (7 years ago) |
Detailed specifications
Ryzen 9 5900HS and Xeon Silver 4123 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 | 16 |
| Base clock speed | 3 GHz | 3 GHz |
| Boost clock speed | 4.6 GHz | 3.2 GHz |
| Multiplier | 30 | no data |
| L1 cache | 64 KB (per core) | no data |
| L2 cache | 512 KB (per core) | no data |
| L3 cache | 16 MB (shared) | 11 MB |
| Chip lithography | 7 nm | 14 nm |
| Die size | 180 mm2 | no data |
| Number of transistors | 10,700 million | no data |
| 64 bit support | + | - |
| Windows 11 compatibility | + | - |
Compatibility
Information on Ryzen 9 5900HS and Xeon Silver 4123 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 | no data |
| Socket | FP6 | FCLGA3647 |
| Power consumption (TDP) | 35 Watt | 105 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Ryzen 9 5900HS and Xeon Silver 4123. You'll probably need this information if you require some particular technology.
| Instruction set extensions | MMX, SSE, SSE2, SSE3, SSSE3, SSE4A, SSE4.1, SSE4.2, AVX, AVX2, BMI2, ABM, FMA, ADX, SMEP, SMAP, SMT, CPB, AES-NI, RDRAND, RDSEED, SHA, SME | Intel® AVX-512 |
| AES-NI | + | + |
| FMA | + | - |
| AVX | + | - |
| vPro | no data | + |
| Speed Shift | no data | + |
| Turbo Boost Technology | no data | 2.0 |
| Hyper-Threading Technology | no data | + |
| TSX | - | + |
| Turbo Boost Max 3.0 | no data | - |
Security technologies
Ryzen 9 5900HS and Xeon Silver 4123 technologies aimed at improving security, for example, by protecting against hacks.
| TXT | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Ryzen 9 5900HS and Xeon Silver 4123 are enumerated here.
| AMD-V | + | - |
| VT-x | no data | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Ryzen 9 5900HS and Xeon Silver 4123. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4 | DDR4-2400 |
| Maximum memory size | no data | 512 GB |
| Max memory channels | no data | 6 |
| ECC memory support | - | + |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | AMD Radeon RX Vega 8 (Ryzen 4000/5000) ( - 2100 MHz) | no data |
Peripherals
Specifications and connection of peripherals supported by Ryzen 9 5900HS and Xeon Silver 4123.
| PCIe version | 3.0 | 3.0 |
| PCI Express lanes | no data | 48 |
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 | 12.04 | 8.17 |
| Recency | 12 January 2021 | 1 January 2018 |
| Chip lithography | 7 nm | 14 nm |
| Power consumption (TDP) | 35 Watt | 105 Watt |
Ryzen 9 5900HS has a 47.4% higher aggregate performance score, an age advantage of 3 years, a 100% more advanced lithography process, and 200% lower power consumption.
The AMD Ryzen 9 5900HS is our recommended choice as it beats the Intel Xeon Silver 4123 in performance tests.
Be aware that Ryzen 9 5900HS is a notebook processor while Xeon Silver 4123 is a server/workstation one.
Other comparisons
We've compiled a selection of CPU comparisons, ranging from closely matched processors to other comparisons that may be of interest.
