Xeon Platinum 8558 vs Ultra 7 155H
Primary details
Comparing Core Ultra 7 155H and Xeon Platinum 8558 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) | Emerald Rapids (2023) |
| Release date | 14 December 2023 (1 year ago) | 14 December 2023 (1 year ago) |
| Launch price (MSRP) | $503 | $4,650 |
Detailed specifications
Core Ultra 7 155H and Xeon Platinum 8558 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) | 48 (Octatetraconta-Core) |
| Threads | 22 | 96 |
| Base clock speed | 3.8 GHz | 2.1 GHz |
| Boost clock speed | 4.8 GHz | 4 GHz |
| L1 cache | 112 KB (per core) | 80 KB (per core) |
| L2 cache | 2 MB (per core) | 2 MB (per core) |
| L3 cache | 24 MB (shared) | 260 MB (shared) |
| Chip lithography | 7 nm | Intel 7 nm |
| Die size | no data | 2x 763 mm2 |
| Maximum core temperature | 110 °C | no data |
| Maximum case temperature (TCase) | no data | 78 °C |
| 64 bit support | + | + |
Compatibility
Information on Core Ultra 7 155H and Xeon Platinum 8558 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 | 2 |
| Socket | Intel BGA 2049 | FCLGA4677 |
| Power consumption (TDP) | 28 Watt | 330 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core Ultra 7 155H and Xeon Platinum 8558. You'll probably need this information if you require some particular technology.
| Instruction set extensions | no data | Intel® AMX, Intel® SSE4.2, Intel® AVX, Intel® AVX2, Intel® AVX-512 |
| AES-NI | + | + |
| AVX | + | + |
| vPro | + | + |
| Enhanced SpeedStep (EIST) | + | + |
| Speed Shift | no data | + |
| Turbo Boost Technology | no data | 2.0 |
| Hyper-Threading Technology | no data | + |
| TSX | + | + |
| Deep Learning Boost | - | + |
Security technologies
Core Ultra 7 155H and Xeon Platinum 8558 technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | + |
| EDB | no data | + |
| SGX | no data | Yes with Intel® SPS |
| OS Guard | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Core Ultra 7 155H and Xeon Platinum 8558 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 8558. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR5 | DDR5 @ 5200 MT/s (1 DPC) |
| Maximum memory size | no data | 4 TB |
| Max memory channels | no data | 8 |
| ECC memory support | - | + |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | Intel Arc 8-Cores iGPU ( - 2250 MHz) | N/A |
Peripherals
Specifications and connection of peripherals supported by Core Ultra 7 155H and Xeon Platinum 8558.
| PCIe version | 5.0 | 5.0 |
| PCI Express lanes | 8 | 80 |
Pros & cons summary
| Physical cores | 16 | 48 |
| Threads | 22 | 96 |
| Power consumption (TDP) | 28 Watt | 330 Watt |
Ultra 7 155H has 1078.6% lower power consumption.
Xeon Platinum 8558, on the other hand, has 200% more physical cores and 336.4% more threads.
We couldn't decide between Core Ultra 7 155H and Xeon Platinum 8558. We've got no test results to judge.
Be aware that Core Ultra 7 155H is a notebook processor while Xeon Platinum 8558 is a server/workstation one.
Should you still have questions on choice between Core Ultra 7 155H and Xeon Platinum 8558, ask them in Comments section, and we shall answer.
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