Xeon Silver 4209T vs A9-9425
Aggregate performance score
Xeon Silver 4209T outperforms A9-9425 by a whopping 304% based on our aggregate benchmark results.
Primary details
Comparing A9-9425 and Xeon Silver 4209T processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 2026 | 997 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | no data | 15.24 |
| Market segment | Laptop | Server |
| Series | AMD Bristol Ridge | Intel Xeon Silver |
| Power efficiency | 10.88 | 9.43 |
| Architecture codename | Stoney Ridge (2016−2019) | Cascade Lake (2019−2020) |
| Release date | 31 May 2016 (8 years ago) | 2 April 2019 (5 years ago) |
| Launch price (MSRP) | no data | $501 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
A9-9425 and Xeon Silver 4209T 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 | 2 (Dual-core) | 8 (Octa-Core) |
| Threads | 2 | 16 |
| Base clock speed | 3.1 GHz | 2.2 GHz |
| Boost clock speed | 3.7 GHz | 3.2 GHz |
| Multiplier | no data | 22 |
| L1 cache | 128K (per core) | 512 KB |
| L2 cache | 1 MB (per core) | 8 MB |
| L3 cache | no data | 11 MB |
| Chip lithography | 28 nm | 14 nm |
| Die size | 124.5 mm2 | no data |
| Maximum core temperature | 90 °C | 91 °C |
| Maximum case temperature (TCase) | 74 °C | no data |
| Number of transistors | 1,200 million | no data |
| 64 bit support | + | + |
| Windows 11 compatibility | - | + |
Compatibility
Information on A9-9425 and Xeon Silver 4209T 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 | 2 (Multiprocessor) |
| Socket | FT4 | FCLGA3647 |
| Power consumption (TDP) | 15 Watt | 70 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by A9-9425 and Xeon Silver 4209T. 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, TBM, FMA4, XOP, SMEP, CPB, AES-NI, RDRAND | Intel® SSE4.2, Intel® AVX, Intel® AVX2, Intel® AVX-512 |
| AES-NI | + | + |
| FMA | + | - |
| AVX | + | + |
| vPro | no data | + |
| Enhanced SpeedStep (EIST) | 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 | - |
| Deep Learning Boost | - | + |
Security technologies
A9-9425 and Xeon Silver 4209T technologies aimed at improving security, for example, by protecting against hacks.
| TXT | no data | + |
| EDB | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by A9-9425 and Xeon Silver 4209T are enumerated here.
| AMD-V | + | - |
| VT-d | no data | + |
| VT-x | no data | + |
| EPT | no data | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by A9-9425 and Xeon Silver 4209T. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4 | DDR4-2400 |
| Maximum memory size | no data | 1 TB |
| Max memory channels | no data | 6 |
| Maximum memory bandwidth | no data | 115.212 GB/s |
| ECC memory support | - | + |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | AMD Radeon R5 (Stoney Ridge) | no data |
Peripherals
Specifications and connection of peripherals supported by A9-9425 and Xeon Silver 4209T.
| PCIe version | no data | 3.0 |
| PCI Express lanes | no data | 48 |
Synthetic benchmark performance
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. 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.
Pros & cons summary
| Performance score | 1.79 | 7.24 |
| Recency | 31 May 2016 | 2 April 2019 |
| Physical cores | 2 | 8 |
| Threads | 2 | 16 |
| Chip lithography | 28 nm | 14 nm |
| Power consumption (TDP) | 15 Watt | 70 Watt |
A9-9425 has 366.7% lower power consumption.
Xeon Silver 4209T, on the other hand, has a 304.5% higher aggregate performance score, an age advantage of 2 years, 300% more physical cores and 700% more threads, and a 100% more advanced lithography process.
The Xeon Silver 4209T is our recommended choice as it beats the A9-9425 in performance tests.
Be aware that A9-9425 is a notebook processor while Xeon Silver 4209T is a server/workstation one.
Should you still have questions on choice between A9-9425 and Xeon Silver 4209T, ask them in Comments section, and we shall answer.
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