Xeon Platinum 8356H vs Ultra 7 155H
Primary details
Comparing Core Ultra 7 155H and Xeon Platinum 8356H processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 433 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Server |
| Series | Intel Meteor Lake-H | no data |
| Power efficiency | 53.47 | no data |
| Architecture codename | Meteor Lake-H (2023) | Cooper Lake-SP (2021) |
| Release date | 14 December 2023 (1 year ago) | 6 April 2021 (3 years ago) |
| Launch price (MSRP) | $503 | no data |
Detailed specifications
Core Ultra 7 155H and Xeon Platinum 8356H 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 | 16 (Hexadeca-Core) | 8 (Octa-Core) |
| Threads | 22 | 16 |
| Base clock speed | 3.8 GHz | 3.9 GHz |
| Boost clock speed | 4.8 GHz | 4.4 GHz |
| L1 cache | 112 KB (per core) | 64K (per core) |
| L2 cache | 2 MB (per core) | 1 MB (per core) |
| L3 cache | 24 MB (shared) | 35.75 MB (shared) |
| Chip lithography | 7 nm | 14 nm |
| Maximum core temperature | 110 °C | no data |
| 64 bit support | + | + |
| Windows 11 compatibility | no data | - |
Compatibility
Information on Core Ultra 7 155H and Xeon Platinum 8356H 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 | 8 |
| Socket | Intel BGA 2049 | FCLGA4189 |
| Power consumption (TDP) | 28 Watt | 190 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core Ultra 7 155H and Xeon Platinum 8356H. You'll probably need this information if you require some particular technology.
| Instruction set extensions | no data | Intel® SSE4.2, Intel® AVX, Intel® AVX2, Intel® AVX-512 |
| AES-NI | + | + |
| AVX | + | + |
| vPro | + | + |
| Enhanced SpeedStep (EIST) | + | + |
| Speed Shift | no data | + |
| Hyper-Threading Technology | no data | + |
| TSX | + | + |
| Deep Learning Boost | - | + |
Security technologies
Core Ultra 7 155H and Xeon Platinum 8356H technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | + |
| EDB | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Core Ultra 7 155H and Xeon Platinum 8356H are enumerated here.
| VT-d | + | + |
| VT-x | + | + |
| EPT | no data | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Core Ultra 7 155H and Xeon Platinum 8356H. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR5 | DDR4 RDIMM |
| Maximum memory size | no data | 1.12 TB |
| Max memory channels | no data | 6 |
| ECC memory support | - | + |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | Intel Arc 8-Cores iGPU ( - 2250 MHz) | no data |
Peripherals
Specifications and connection of peripherals supported by Core Ultra 7 155H and Xeon Platinum 8356H.
| PCIe version | 5.0 | 3.0 |
| PCI Express lanes | 8 | 48 |
Pros & cons summary
| Recency | 14 December 2023 | 6 April 2021 |
| Physical cores | 16 | 8 |
| Threads | 22 | 16 |
| Chip lithography | 7 nm | 14 nm |
| Power consumption (TDP) | 28 Watt | 190 Watt |
Ultra 7 155H has an age advantage of 2 years, 100% more physical cores and 37.5% more threads, a 100% more advanced lithography process, and 578.6% lower power consumption.
We couldn't decide between Core Ultra 7 155H and Xeon Platinum 8356H. We've got no test results to judge.
Be aware that Core Ultra 7 155H is a notebook processor while Xeon Platinum 8356H is a server/workstation one.
Should you still have questions on choice between Core Ultra 7 155H and Xeon Platinum 8356H, ask them in Comments section, and we shall answer.
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