Ryzen Threadripper PRO 3945WX vs Xeon Platinum 8276
Primary details
Comparing Xeon Platinum 8276 and Ryzen Threadripper PRO 3945WX processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | not rated | 256 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Server | Server |
| Series | Intel Xeon Platinum | AMD Ryzen Threadripper |
| Power efficiency | no data | 7.14 |
| Architecture codename | Cascade Lake-SP (2018−2019) | Matisse (2019−2020) |
| Release date | 2 April 2019 (5 years ago) | 14 July 2020 (4 years ago) |
| Launch price (MSRP) | $8,719 | no data |
Detailed specifications
Xeon Platinum 8276 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 | 28 (Octacosa-Core) | 12 (Dodeca-Core) |
| Threads | 56 | 24 |
| Base clock speed | 2.2 GHz | 4 GHz |
| Boost clock speed | 4 GHz | 4.3 GHz |
| Multiplier | 22 | 40 |
| L1 cache | 1.75 MB | 64K (per core) |
| L2 cache | 28 MB | 512K (per core) |
| L3 cache | 38.5 MB (shared) | 64 MB |
| Chip lithography | 14 nm | 7 nm, 12 nm |
| Die size | no data | 74 mm2 |
| Maximum core temperature | 89 °C | no data |
| Maximum case temperature (TCase) | no data | 95 °C |
| Number of transistors | 8,000 million | 3,800 million |
| 64 bit support | + | + |
| Windows 11 compatibility | + | + |
| Unlocked multiplier | - | + |
Compatibility
Information on Xeon Platinum 8276 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 | 8 (Multiprocessor) | 1 |
| Socket | FCLGA3647 | TR4 |
| Power consumption (TDP) | 165 Watt | 280 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Xeon Platinum 8276 and Ryzen Threadripper PRO 3945WX. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Intel® SSE4.2, Intel® AVX, Intel® AVX2, Intel® AVX-512 | no data |
| AES-NI | + | + |
| AVX | + | + |
| vPro | + | no data |
| Enhanced SpeedStep (EIST) | + | no data |
| Speed Shift | + | no data |
| Turbo Boost Technology | 2.0 | no data |
| Hyper-Threading Technology | + | no data |
| TSX | + | - |
| Turbo Boost Max 3.0 | - | no data |
| Deep Learning Boost | + | - |
Security technologies
Xeon Platinum 8276 and Ryzen Threadripper PRO 3945WX technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | no data |
| EDB | + | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Xeon Platinum 8276 and Ryzen Threadripper PRO 3945WX 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 Xeon Platinum 8276 and Ryzen Threadripper PRO 3945WX. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4-2933 | DDR4-3200 |
| Maximum memory size | 1 TB | 2 TiB |
| Max memory channels | 6 | no data |
| Maximum memory bandwidth | 140.8 GB/s | 204.8 GB/s |
| ECC memory support | + | - |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | N/A | - |
Peripherals
Specifications and connection of peripherals supported by Xeon Platinum 8276 and Ryzen Threadripper PRO 3945WX.
| PCIe version | 3.0 | 4.0 |
| PCI Express lanes | 48 | 128 |
Pros & cons summary
| Recency | 2 April 2019 | 14 July 2020 |
| Physical cores | 28 | 12 |
| Threads | 56 | 24 |
| Chip lithography | 14 nm | 7 nm |
| Power consumption (TDP) | 165 Watt | 280 Watt |
Xeon Platinum 8276 has 133.3% more physical cores and 133.3% more threads, and 69.7% lower power consumption.
Ryzen Threadripper PRO 3945WX, on the other hand, has an age advantage of 1 year, and a 100% more advanced lithography process.
We couldn't decide between Xeon Platinum 8276 and Ryzen Threadripper PRO 3945WX. We've got no test results to judge.
Should you still have questions on choice between Xeon Platinum 8276 and Ryzen Threadripper PRO 3945WX, ask them in Comments section, and we shall answer.
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