Ryzen Threadripper PRO 9945WX vs Xeon D-2799
Contents
Primary details
Comparing processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 301 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 27.25 | no data |
| Market segment | Server | Server |
| Power efficiency | 15.71 | no data |
| Designer | Intel | AMD |
| Manufacturer | Intel | TSMC |
| Architecture codename | Ice Lake-D (2022−2023) | Shimada Peak (2025) |
| Release date | 24 February 2022 (3 years ago) | July 2025 |
| Launch price (MSRP) | $1,972 | no data |
Cost-effectiveness evaluation
Performance per price, higher is better.
Performance to price scatter graph
Detailed specifications
Xeon D-2799 and Ryzen Threadripper PRO 9945WX 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 | 20 (Icosa-Core) | 12 (Dodeca-Core) |
| Performance-cores | 20 | no data |
| Threads | 40 | 24 |
| Base clock speed | 2.4 GHz | 4.7 GHz |
| Boost clock speed | 3.4 GHz | 5.4 GHz |
| L1 cache | 80 KB (per core) | 64 KB (per core) |
| L2 cache | 1.25 MB (per core) | 1 MB (per core) |
| L3 cache | 30 MB (shared) | 64 MB (shared) |
| Chip lithography | 10 nm | 4 nm |
| Die size | no data | 2x 70.6 mm2 |
| Number of transistors | no data | 16,630 million |
| 64 bit support | + | + |
| Windows 11 compatibility | + | no data |
| Unlocked multiplier | - | + |
Compatibility
Information on Xeon D-2799 and Ryzen Threadripper PRO 9945WX 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 | FCBGA2579 | sTR5 |
| Power consumption (TDP) | 129 Watt | 350 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Xeon D-2799 and Ryzen Threadripper PRO 9945WX. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Intel® AVX-512 | no data |
| AES-NI | + | + |
| AVX | + | + |
| Enhanced SpeedStep (EIST) | + | no data |
| QuickAssist | - | no data |
| Turbo Boost Technology | 2.0 | no data |
| Hyper-Threading Technology | + | no data |
| Thermal Monitoring | + | - |
| Precision Boost 2 | no data | + |
| Deep Learning Boost | + | - |
Security technologies
Xeon D-2799 and Ryzen Threadripper PRO 9945WX technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | no data |
| EDB | + | no data |
| SGX | Yes with Intel® SPS | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Xeon D-2799 and Ryzen Threadripper PRO 9945WX are enumerated here.
| AMD-V | - | + |
| VT-d | + | no data |
| VT-x | + | no data |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Xeon D-2799 and Ryzen Threadripper PRO 9945WX. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4 | DDR5 |
| Maximum memory size | 1 TB | no data |
| Max memory channels | 4 | 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 Xeon D-2799 and Ryzen Threadripper PRO 9945WX.
| PCIe version | 4.0 | 5.0 |
| PCI Express lanes | 32 | 128 |
| USB revision | 3.0 | no data |
| Total number of SATA ports | 24 | no data |
| Number of USB ports | 4 | no data |
| Integrated LAN | - | no data |
Pros & cons summary
| Physical cores | 20 | 12 |
| Threads | 40 | 24 |
| Chip lithography | 10 nm | 4 nm |
| Power consumption (TDP) | 129 Watt | 350 Watt |
Xeon D-2799 has 66.7% more physical cores and 66.7% more threads, and 171.3% lower power consumption.
Ryzen Threadripper PRO 9945WX, on the other hand, has a 150% more advanced lithography process.
We couldn't decide between Intel Xeon D-2799 and AMD Ryzen Threadripper PRO 9945WX. We've got no test results to judge.
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