Xeon W-11955M vs Ryzen Threadripper PRO 3945WX
Aggregate performance score
Ryzen Threadripper PRO 3945WX outperforms Xeon W-11955M by a considerable 49% based on our aggregate benchmark results.
Primary details
Comparing Ryzen Threadripper PRO 3945WX and Xeon W-11955M processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 262 | 516 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | no data | 47.51 |
| Market segment | Server | Server |
| Series | AMD Ryzen Threadripper | Intel Tiger Lake |
| Power efficiency | 7.13 | 38.26 |
| Architecture codename | Matisse (2019−2020) | Tiger Lake-H (2021) |
| Release date | 14 July 2020 (4 years ago) | 11 May 2021 (3 years ago) |
| Launch price (MSRP) | no data | $623 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
Ryzen Threadripper PRO 3945WX and Xeon W-11955M 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 | 12 (Dodeca-Core) | 8 (Octa-Core) |
| Threads | 24 | 16 |
| Base clock speed | 4 GHz | 2.1 GHz |
| Boost clock speed | 4.3 GHz | 5 GHz |
| Bus rate | no data | 8 GT/s |
| Multiplier | 40 | no data |
| L1 cache | 64K (per core) | 80 KB (per core) |
| L2 cache | 512K (per core) | 1.25 MB (per core) |
| L3 cache | 64 MB | 24 MB (shared) |
| Chip lithography | 7 nm, 12 nm | 10 nm SuperFin |
| Die size | 74 mm2 | 190 mm2 |
| Maximum core temperature | no data | 100 °C |
| Maximum case temperature (TCase) | 95 °C | 72 °C |
| Number of transistors | 3,800 million | no data |
| 64 bit support | + | + |
| Windows 11 compatibility | + | + |
| Unlocked multiplier | + | - |
Compatibility
Information on Ryzen Threadripper PRO 3945WX and Xeon W-11955M 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 | 1 |
| Socket | TR4 | FCBGA1787 |
| Power consumption (TDP) | 280 Watt | 35 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Ryzen Threadripper PRO 3945WX and Xeon W-11955M. You'll probably need this information if you require some particular technology.
| Instruction set extensions | no data | Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512 |
| AES-NI | + | + |
| FMA | - | + |
| AVX | + | + |
| vPro | no data | + |
| Enhanced SpeedStep (EIST) | no data | + |
| Speed Shift | no data | + |
| Hyper-Threading Technology | no data | + |
| TSX | - | + |
| Thermal Monitoring | - | + |
| Flex Memory Access | no data | + |
| SIPP | - | + |
| Turbo Boost Max 3.0 | no data | + |
| Deep Learning Boost | - | + |
Security technologies
Ryzen Threadripper PRO 3945WX and Xeon W-11955M technologies aimed at improving security, for example, by protecting against hacks.
| TXT | no data | + |
| Secure Key | no data | + |
| SGX | no data | - |
| OS Guard | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Ryzen Threadripper PRO 3945WX and Xeon W-11955M 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 Ryzen Threadripper PRO 3945WX and Xeon W-11955M. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4-3200 | DDR4 |
| Maximum memory size | 2 TiB | 128 GB |
| Max memory channels | no data | 2 |
| Maximum memory bandwidth | 204.8 GB/s | 51.2 GB/s |
| ECC memory support | - | + |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | - | Intel UHD Graphics for 11th Gen Intel Processors |
| Quick Sync Video | - | + |
| Graphics max frequency | - | 1.45 GHz |
| Execution Units | - | 32 |
Graphics interfaces
Available interfaces and connections of Ryzen Threadripper PRO 3945WX and Xeon W-11955M integrated GPUs.
| Number of displays supported | - | 4 |
Graphics image quality
Maximum display resolutions supported by Ryzen Threadripper PRO 3945WX and Xeon W-11955M integrated GPUs, including resolutions over different interfaces.
| Max resolution over HDMI 1.4 | - | 4096x2304@60Hz |
| Max resolution over eDP | - | 4096x2304@60Hz |
| Max resolution over DisplayPort | - | 7680x4320@60Hz |
Graphics API support
APIs supported by Ryzen Threadripper PRO 3945WX and Xeon W-11955M integrated GPUs, sometimes API versions are included.
| DirectX | - | 12.1 |
| OpenGL | - | 4.6 |
Peripherals
Specifications and connection of peripherals supported by Ryzen Threadripper PRO 3945WX and Xeon W-11955M.
| PCIe version | 4.0 | 4.0 |
| PCI Express lanes | 128 | 20 |
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.
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.
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.
Pros & cons summary
| Performance score | 21.10 | 14.16 |
| Recency | 14 July 2020 | 11 May 2021 |
| Physical cores | 12 | 8 |
| Threads | 24 | 16 |
| Chip lithography | 7 nm | 10 nm |
| Power consumption (TDP) | 280 Watt | 35 Watt |
Ryzen Threadripper PRO 3945WX has a 49% higher aggregate performance score, 50% more physical cores and 50% more threads, and a 42.9% more advanced lithography process.
Xeon W-11955M, on the other hand, has an age advantage of 9 months, and 700% lower power consumption.
The Ryzen Threadripper PRO 3945WX is our recommended choice as it beats the Xeon W-11955M in performance tests.
Should you still have questions on choice between Ryzen Threadripper PRO 3945WX and Xeon W-11955M, ask them in Comments section, and we shall answer.
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