Xeon w9-3495X vs Platinum 8356H
Primary details
Comparing Xeon Platinum 8356H and Xeon w9-3495X processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | not rated | 21 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | no data | 18.82 |
| Market segment | Server | Server |
| Power efficiency | no data | 15.65 |
| Architecture codename | Cooper Lake-SP (2021) | Sapphire Rapids (2023−2024) |
| Release date | 6 April 2021 (3 years ago) | 15 February 2023 (1 year ago) |
| Launch price (MSRP) | no data | $5,889 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
Xeon Platinum 8356H and Xeon w9-3495X 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 | 8 (Octa-Core) | 56 (Hexapentaconta-Core) |
| Threads | 16 | 112 |
| Base clock speed | 3.9 GHz | 1.9 GHz |
| Boost clock speed | 4.4 GHz | 4.8 GHz |
| L1 cache | 64K (per core) | 80 KB (per core) |
| L2 cache | 1 MB (per core) | 2 MB (per core) |
| L3 cache | 35.75 MB (shared) | 105 MB |
| Chip lithography | 14 nm | Intel 7 nm |
| Die size | no data | 4x 477 mm2 |
| Maximum case temperature (TCase) | no data | 81 °C |
| 64 bit support | + | + |
| Windows 11 compatibility | - | + |
| Unlocked multiplier | - | + |
Compatibility
Information on Xeon Platinum 8356H and Xeon w9-3495X 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 | 1 |
| Socket | FCLGA4189 | FCLGA4677 |
| Power consumption (TDP) | 190 Watt | 350 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Xeon Platinum 8356H and Xeon w9-3495X. 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 | Intel® SSE4.1, Intel® AMX, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512 |
| AES-NI | + | + |
| AVX | + | + |
| vPro | + | + |
| Enhanced SpeedStep (EIST) | + | + |
| Speed Shift | + | + |
| Turbo Boost Technology | no data | 2.0 |
| Hyper-Threading Technology | + | + |
| TSX | + | + |
| Turbo Boost Max 3.0 | no data | + |
| Deep Learning Boost | + | + |
Security technologies
Xeon Platinum 8356H and Xeon w9-3495X technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | + |
| EDB | + | + |
| SGX | no data | - |
| OS Guard | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Xeon Platinum 8356H and Xeon w9-3495X are enumerated here.
| VT-d | + | + |
| VT-x | + | + |
| EPT | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Xeon Platinum 8356H and Xeon w9-3495X. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4 RDIMM | DDR5-4800 |
| Maximum memory size | 1.12 TB | 4 TB |
| Max memory channels | 6 | 8 |
| ECC memory support | + | + |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | no data | N/A |
Peripherals
Specifications and connection of peripherals supported by Xeon Platinum 8356H and Xeon w9-3495X.
| PCIe version | 3.0 | 5.0 |
| PCI Express lanes | 48 | 112 |
Pros & cons summary
| Recency | 6 April 2021 | 15 February 2023 |
| Physical cores | 8 | 56 |
| Threads | 16 | 112 |
| Power consumption (TDP) | 190 Watt | 350 Watt |
Xeon Platinum 8356H has 84.2% lower power consumption.
Xeon w9-3495X, on the other hand, has an age advantage of 1 year, and 600% more physical cores and 600% more threads.
We couldn't decide between Xeon Platinum 8356H and Xeon w9-3495X. We've got no test results to judge.
Should you still have questions on choice between Xeon Platinum 8356H and Xeon w9-3495X, ask them in Comments section, and we shall answer.
Similar processor comparisons
We picked several similar comparisons of processors in the same market segment and performance relatively close to those reviewed on this page.
