Xeon Silver 4514Y vs Ryzen Threadripper PRO 3945WX
Aggregate performance score
Xeon Silver 4514Y outperforms Ryzen Threadripper PRO 3945WX by a minimal 3% based on our aggregate benchmark results.
Primary details
Comparing Ryzen Threadripper PRO 3945WX and Xeon Silver 4514Y processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 275 | 261 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | no data | 72.73 |
| Market segment | Server | Server |
| Series | AMD Ryzen Threadripper | no data |
| Power efficiency | 7.11 | 13.62 |
| Architecture codename | Castle Peak (2020) | Emerald Rapids (2023) |
| Release date | 14 July 2020 (4 years ago) | 14 December 2023 (1 year ago) |
| Launch price (MSRP) | no data | $780 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
Ryzen Threadripper PRO 3945WX and Xeon Silver 4514Y 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) | 16 (Hexadeca-Core) |
| Threads | 24 | 32 |
| Base clock speed | 4 GHz | 2 GHz |
| Boost clock speed | 4.3 GHz | 3.4 GHz |
| Multiplier | 40 | no data |
| L1 cache | 64 KB (per core) | 80 KB (per core) |
| L2 cache | 512 KB (per core) | 2 MB (per core) |
| L3 cache | 64 MB | 30 MB (shared) |
| Chip lithography | 7 nm, 12 nm | Intel 7 nm |
| Die size | 2x 74 mm2 | 2x 763 mm2 |
| Maximum case temperature (TCase) | 95 °C | 79 °C |
| Number of transistors | 7,600 million | no data |
| 64 bit support | + | + |
| Windows 11 compatibility | + | no data |
Compatibility
Information on Ryzen Threadripper PRO 3945WX and Xeon Silver 4514Y 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 |
| Socket | WRX8 | FCLGA4677 |
| Power consumption (TDP) | 280 Watt | 150 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Ryzen Threadripper PRO 3945WX and Xeon Silver 4514Y. You'll probably need this information if you require some particular technology.
| Instruction set extensions | no data | Intel® AMX, Intel® SSE4.2, Intel® AVX, Intel® AVX2, Intel® AVX-512 |
| AES-NI | + | + |
| 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 | - | + |
| Deep Learning Boost | - | + |
Security technologies
Ryzen Threadripper PRO 3945WX and Xeon Silver 4514Y technologies aimed at improving security, for example, by protecting against hacks.
| TXT | no data | + |
| EDB | no data | + |
| SGX | no data | Yes with Intel® SPS |
| OS Guard | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Ryzen Threadripper PRO 3945WX and Xeon Silver 4514Y 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 Silver 4514Y. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4-3200 | DDR5-4400 |
| Maximum memory size | 2 TiB | 4 TB |
| Max memory channels | no data | 8 |
| Maximum memory bandwidth | 204.8 GB/s | no data |
| ECC memory support | - | + |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | N/A | N/A |
Peripherals
Specifications and connection of peripherals supported by Ryzen Threadripper PRO 3945WX and Xeon Silver 4514Y.
| PCIe version | 4.0 | 5.0 |
| PCI Express lanes | 128 | 80 |
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.
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 | 20.92 | 21.46 |
| Recency | 14 July 2020 | 14 December 2023 |
| Physical cores | 12 | 16 |
| Threads | 24 | 32 |
| Power consumption (TDP) | 280 Watt | 150 Watt |
Xeon Silver 4514Y has a 2.6% higher aggregate performance score, an age advantage of 3 years, 33.3% more physical cores and 33.3% more threads, and 86.7% lower power consumption.
Given the minimal performance differences, no clear winner can be declared between Ryzen Threadripper PRO 3945WX and Xeon Silver 4514Y.
Other comparisons
We've compiled a selection of CPU comparisons, ranging from closely matched processors to other comparisons that may be of interest.
