Xeon Silver 4109T vs i9-9900X
Aggregate performance score
Core i9-9900X outperforms Xeon Silver 4109T by a whopping 111% based on our aggregate benchmark results.
Primary details
Comparing Core i9-9900X and Xeon Silver 4109T processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 534 | 1043 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 4.88 | 6.26 |
| Market segment | Desktop processor | Server |
| Series | Intel Core i9 | Intel Xeon Silver |
| Power efficiency | 7.89 | 8.80 |
| Architecture codename | Skylake (server) (2017−2019) | Skylake (server) (2017−2019) |
| Release date | 8 October 2018 (6 years ago) | 11 July 2017 (7 years ago) |
| Launch price (MSRP) | $989 | $501 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Xeon Silver 4109T has 28% better value for money than i9-9900X.
Detailed specifications
Core i9-9900X and Xeon Silver 4109T 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 | 10 (Deca-Core) | 8 (Octa-Core) |
| Threads | 20 | 16 |
| Base clock speed | 3.5 GHz | 2 GHz |
| Boost clock speed | 4.5 GHz | 3 GHz |
| Bus type | DMI 3.0 | no data |
| Bus rate | 4 × 8 GT/s | no data |
| Multiplier | 35 | 20 |
| L1 cache | 640 KB | 512 KB |
| L2 cache | 10 MB | 8 MB |
| L3 cache | 19.25 MB (shared) | 11 MB |
| Chip lithography | 14 nm | 14 nm |
| Maximum core temperature | 92 °C | 90 °C |
| Maximum case temperature (TCase) | 72 °C | no data |
| 64 bit support | + | + |
| Windows 11 compatibility | + | + |
| Unlocked multiplier | + | - |
Compatibility
Information on Core i9-9900X and Xeon Silver 4109T 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 (Uniprocessor) | 2 (Multiprocessor) |
| Socket | FCLGA2066 | FCLGA3647 |
| Power consumption (TDP) | 165 Watt | 70 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core i9-9900X and Xeon Silver 4109T. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512 | Intel® SSE4.2, Intel® AVX, Intel® AVX2, Intel® AVX-512 |
| AES-NI | + | + |
| AVX | + | + |
| vPro | no data | + |
| Enhanced SpeedStep (EIST) | + | + |
| Speed Shift | no data | + |
| Turbo Boost Technology | 2.0 | 2.0 |
| Hyper-Threading Technology | + | + |
| TSX | + | + |
| Turbo Boost Max 3.0 | + | - |
Security technologies
Core i9-9900X and Xeon Silver 4109T technologies aimed at improving security, for example, by protecting against hacks.
| TXT | no data | + |
| EDB | + | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Core i9-9900X and Xeon Silver 4109T are enumerated here.
| VT-d | + | + |
| VT-x | + | + |
| EPT | no data | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Core i9-9900X and Xeon Silver 4109T. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4-2666 | DDR4-2400 |
| Maximum memory size | 128 GB | 768 GB |
| Max memory channels | 4 | 6 |
| Maximum memory bandwidth | 85.33 GB/s | 115.212 GB/s |
| ECC memory support | - | + |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | N/A | no data |
Peripherals
Specifications and connection of peripherals supported by Core i9-9900X and Xeon Silver 4109T.
| PCIe version | 3.0 | 3.0 |
| PCI Express lanes | 44 | 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 | 13.81 | 6.54 |
| Recency | 8 October 2018 | 11 July 2017 |
| Physical cores | 10 | 8 |
| Threads | 20 | 16 |
| Power consumption (TDP) | 165 Watt | 70 Watt |
i9-9900X has a 111.2% higher aggregate performance score, an age advantage of 1 year, and 25% more physical cores and 25% more threads.
Xeon Silver 4109T, on the other hand, has 135.7% lower power consumption.
The Core i9-9900X is our recommended choice as it beats the Xeon Silver 4109T in performance tests.
Note that Core i9-9900X is a desktop processor while Xeon Silver 4109T is a server/workstation one.
Should you still have questions on choice between Core i9-9900X and Xeon Silver 4109T, ask them in Comments section, and we shall answer.
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