Xeon Gold 6448H vs Platinum 8356H
Primary details
Comparing Xeon Platinum 8356H and Xeon Gold 6448H processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | not rated | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Server | Server |
| Architecture codename | Cooper Lake-SP (2021) | Sapphire Rapids (2023−2024) |
| Release date | 6 April 2021 (3 years ago) | 10 January 2023 (1 year ago) |
| Launch price (MSRP) | no data | $3,658 |
Detailed specifications
Xeon Platinum 8356H and Xeon Gold 6448H 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) | 32 (Dotriaconta-Core) |
| Threads | 16 | 64 |
| Base clock speed | 3.9 GHz | 2.4 GHz |
| Boost clock speed | 4.4 GHz | 4.1 GHz |
| L1 cache | 64K (per core) | 80K (per core) |
| L2 cache | 1 MB (per core) | 2 MB (per core) |
| L3 cache | 35.75 MB (shared) | 60 MB |
| Chip lithography | 14 nm | Intel 7 nm |
| Maximum case temperature (TCase) | no data | 83 °C |
| 64 bit support | + | + |
| Windows 11 compatibility | - | no data |
Compatibility
Information on Xeon Platinum 8356H and Xeon Gold 6448H 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 | 4 |
| Socket | FCLGA4189 | FCLGA4677 |
| Power consumption (TDP) | 190 Watt | 250 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Xeon Platinum 8356H and Xeon Gold 6448H. 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® AMX, Intel® SSE4.2, Intel® AVX, 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 | + | + |
| Deep Learning Boost | + | + |
Security technologies
Xeon Platinum 8356H and Xeon Gold 6448H technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | + |
| EDB | + | + |
| SGX | no data | Yes with Intel® SPS |
| OS Guard | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Xeon Platinum 8356H and Xeon Gold 6448H 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 Gold 6448H. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4 RDIMM | DDR5-4800, DDR5-4400 |
| Maximum memory size | 1.12 TB | 4 TB |
| Max memory channels | 6 | 8 |
| ECC memory support | + | + |
Peripherals
Specifications and connection of peripherals supported by Xeon Platinum 8356H and Xeon Gold 6448H.
| PCIe version | 3.0 | 5 |
| PCI Express lanes | 48 | 80 |
Pros & cons summary
| Recency | 6 April 2021 | 10 January 2023 |
| Physical cores | 8 | 32 |
| Threads | 16 | 64 |
| Power consumption (TDP) | 190 Watt | 250 Watt |
Xeon Platinum 8356H has 31.6% lower power consumption.
Xeon Gold 6448H, on the other hand, has an age advantage of 1 year, and 300% more physical cores and 300% more threads.
We couldn't decide between Xeon Platinum 8356H and Xeon Gold 6448H. We've got no test results to judge.
Should you still have questions on choice between Xeon Platinum 8356H and Xeon Gold 6448H, ask them in Comments section, and we shall answer.
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