Ryzen Threadripper PRO 3945WX vs Xeon W-2191B
Aggregate performance score
Ryzen Threadripper PRO 3945WX outperforms Xeon W-2191B by a moderate 18% based on our aggregated benchmark results.
Primary details
Comparing Xeon W-2191B and Ryzen Threadripper PRO 3945WX processor market type (desktop or notebook), architecture, sales start time and price.
| Place in performance ranking | 299 | 225 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | no data | 8.74 |
| Market segment | Server | Server |
| Series | Intel Xeon W | AMD Ryzen Threadripper |
| Architecture codename | Skylake (server) (2017−2019) | Matisse (2019−2020) |
| Release date | 21 December 2017 (6 years ago) | 14 July 2020 (3 years ago) |
| Current price | no data | $1961 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
Xeon W-2191B and Ryzen Threadripper PRO 3945WX 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 | 18 (Octadeca-Core) | 12 (Dodeca-Core) |
| Threads | 36 | 24 |
| Base clock speed | 2.3 GHz | 4 GHz |
| Boost clock speed | 4.3 GHz | 4.3 GHz |
| Bus support | 4 × 8 GT/s | no data |
| L1 cache | 64K (per core) | 64K (per core) |
| L2 cache | 1 MB (per core) | 512K (per core) |
| L3 cache | 24.75 MB (shared) | 64 MB |
| Chip lithography | 14 nm | 7 nm, 12 nm |
| Die size | 484 mm2 | 74 mm2 |
| Maximum case temperature (TCase) | 66 °C | 95 °C |
| Number of transistors | no data | 3,800 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | + |
| Unlocked multiplier | No | Yes |
Compatibility
Information on Xeon W-2191B and Ryzen Threadripper PRO 3945WX 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) | 1 |
| Socket | 2066 | TR4 |
| Power consumption (TDP) | 140 Watt | 280 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Xeon W-2191B and Ryzen Threadripper PRO 3945WX. You'll probably need this information if you require some particular technology.
| AES-NI | + | + |
| AVX | + | + |
| vPro | + | no data |
| Enhanced SpeedStep (EIST) | + | no data |
| TSX | + | no data |
Security technologies
Xeon W-2191B and Ryzen Threadripper PRO 3945WX technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Xeon W-2191B and Ryzen Threadripper PRO 3945WX are enumerated here.
| AMD-V | no data | + |
| VT-d | + | no data |
| VT-x | + | no data |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Xeon W-2191B and Ryzen Threadripper PRO 3945WX. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4-2666 | DDR4-3200 |
| Maximum memory size | 512 GB | 2 TiB |
| Max memory channels | 4 | no data |
| Maximum memory bandwidth | 85.33 GB/s | 204.8 GB/s |
| ECC memory support | + | no data |
Peripherals
Specifications and connection of peripherals supported by Xeon W-2191B and Ryzen Threadripper PRO 3945WX.
| PCIe version | 3.0 | 4.0 |
| PCI Express lanes | 48 | 128 |
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.
Ryzen Threadripper PRO 3945WX outperforms Xeon W-2191B by 18% based on our aggregated benchmark results.
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.
Benchmark coverage: 68%
Ryzen Threadripper PRO 3945WX outperforms Xeon W-2191B by 18% in Passmark.
GeekBench 5 Single-Core
GeekBench 5 Single-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses only a single CPU core.
Benchmark coverage: 42%
Ryzen Threadripper PRO 3945WX outperforms Xeon W-2191B by 39% in GeekBench 5 Single-Core.
GeekBench 5 Multi-Core
GeekBench 5 Multi-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses all available CPU cores.
Benchmark coverage: 42%
Ryzen Threadripper PRO 3945WX outperforms Xeon W-2191B by 14% in GeekBench 5 Multi-Core.
Pros & cons summary
| Performance score | 18.36 | 21.66 |
| Recency | 21 December 2017 | 14 July 2020 |
| Physical cores | 18 | 12 |
| Threads | 36 | 24 |
| Chip lithography | 14 nm | 7 nm |
| Power consumption (TDP) | 140 Watt | 280 Watt |
The Ryzen Threadripper PRO 3945WX is our recommended choice as it beats the Xeon W-2191B in performance tests.
Should you still have questions on choice between Xeon W-2191B and Ryzen Threadripper PRO 3945WX, ask them in Comments section, and we shall answer.
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