Xeon W-2191B vs Platinum 8173M
Aggregate performance score
Primary details
Comparing Xeon Platinum 8173M and Xeon W-2191B processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 339 | 336 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Server | Server |
| Series | Intel Xeon Platinum | Intel Xeon W |
| Power efficiency | no data | 11.95 |
| Architecture codename | Skylake (server) (2017−2019) | Skylake (server) (2017−2019) |
| Release date | no data | 21 December 2017 (6 years ago) |
Detailed specifications
Xeon Platinum 8173M and Xeon W-2191B 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 | 28 (Octacosa-Core) | 18 (Octadeca-Core) |
| Threads | 56 | 36 |
| Base clock speed | no data | 2.3 GHz |
| Boost clock speed | 2.1 GHz | 4.3 GHz |
| Bus type | no data | DMI 3.0 |
| Bus rate | no data | 4 × 8 GT/s |
| Multiplier | 21 | 23 |
| L1 cache | 1.75 MB | 64K (per core) |
| L2 cache | 28 MB | 1 MB (per core) |
| L3 cache | 38.5 MB | 24.75 MB (shared) |
| Chip lithography | 14 nm | 14 nm |
| Die size | no data | 484 mm2 |
| Maximum case temperature (TCase) | no data | 66 °C |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
Compatibility
Information on Xeon Platinum 8173M and Xeon W-2191B 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 | 8 (Multiprocessor) | 1 (Uniprocessor) |
| Socket | Socket P | 2066 |
| Power consumption (TDP) | no data | 140 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Xeon Platinum 8173M and Xeon W-2191B. You'll probably need this information if you require some particular technology.
| AES-NI | + | + |
| AVX | + | + |
| vPro | + | + |
| Enhanced SpeedStep (EIST) | + | + |
| TSX | + | + |
Security technologies
Xeon Platinum 8173M and Xeon W-2191B technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Xeon Platinum 8173M and Xeon W-2191B are enumerated here.
| VT-d | + | + |
| VT-x | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Xeon Platinum 8173M and Xeon W-2191B. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4-2666 | DDR4-2666 |
| Maximum memory size | 1,536 GB | 512 GB |
| Max memory channels | 6 | 4 |
| Maximum memory bandwidth | 128.001 GB/s | 85.33 GB/s |
| ECC memory support | + | + |
Peripherals
Specifications and connection of peripherals supported by Xeon Platinum 8173M and Xeon W-2191B.
| PCIe version | 3.0 | 3.0 |
| PCI Express lanes | 48 | 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 | 18.35 | 18.39 |
| Physical cores | 28 | 18 |
| Threads | 56 | 36 |
Xeon Platinum 8173M has 55.6% more physical cores and 55.6% more threads.
Xeon W-2191B, on the other hand, has a 0.2% higher aggregate performance score.
Given the minimal performance differences, no clear winner can be declared between Xeon Platinum 8173M and Xeon W-2191B.
Should you still have questions on choice between Xeon Platinum 8173M and Xeon W-2191B, ask them in Comments section, and we shall answer.
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