Xeon Platinum 8558U vs Steam Deck CPU (LCD)
Primary details
Comparing Steam Deck CPU (LCD) and Xeon Platinum 8558U processor market type (desktop or notebook), architecture, sales start time and price.
| Place in performance ranking | not rated | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Server |
| Architecture codename | Van Gogh | Emerald Rapids |
| Release date | 25 February 2022 (2 years ago) | 1 October 2023 (less than a year ago) |
Detailed specifications
Steam Deck CPU (LCD) and Xeon Platinum 8558U 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 | 4 (Quad-Core) | 48 (Octatetraconta-Core) |
| Threads | 8 | 96 |
| Base clock speed | 2.4 GHz | 2 GHz |
| Boost clock speed | 3.5 GHz | 4 GHz |
| L1 cache | 64 KB (per core) | 80 KB (per core) |
| L2 cache | 512 KB (per core) | 2 MB (per core) |
| L3 cache | 4 MB (shared) | 260 MB (shared) |
| Chip lithography | 7 nm | Intel 7 nm |
| Die size | 163 mm2 | 2x 763 mm2 |
| Maximum core temperature | no data | 78 °C |
| Maximum case temperature (TCase) | no data | 78 °C |
| Number of transistors | 2,400 million | no data |
| 64 bit support | + | + |
| Unlocked multiplier | No | No |
Compatibility
Information on Steam Deck CPU (LCD) and Xeon Platinum 8558U 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 | 1 |
| Socket | AMD BGA ST1 | FCLGA4677 |
| Power consumption (TDP) | 15 Watt | 300 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Steam Deck CPU (LCD) and Xeon Platinum 8558U. 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 | no data | + |
| Enhanced SpeedStep (EIST) | no data | + |
| Speed Shift | no data | + |
| Turbo Boost Technology | no data | 2.0 |
| Hyper-Threading Technology | no data | + |
| TSX | no data | + |
| Status | no data | Launched |
Security technologies
Steam Deck CPU (LCD) and Xeon Platinum 8558U technologies aimed at improving security, for example, by protecting against hacks.
| TXT | no data | + |
| EDB | no data | + |
| SGX | no data | Yes with Intel® SPS |
| OS Guard | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Steam Deck CPU (LCD) and Xeon Platinum 8558U are enumerated here.
| AMD-V | + | no data |
| VT-d | no data | + |
| VT-x | no data | + |
| EPT | no data | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Steam Deck CPU (LCD) and Xeon Platinum 8558U. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR5 | DDR5 @ 4800 MT/s (1 DPC) |
| Maximum memory size | no data | 4 TB |
| Max memory channels | no data | 8 |
| ECC memory support | no data | + |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | Radeon Navi II 8CU | N/A |
Peripherals
Specifications and connection of peripherals supported by Steam Deck CPU (LCD) and Xeon Platinum 8558U.
| PCIe version | 3.0 | 5.0 |
| PCI Express lanes | 8 | 80 |
Pros & cons summary
| Recency | 25 February 2022 | 1 October 2023 |
| Physical cores | 4 | 48 |
| Threads | 8 | 96 |
| Power consumption (TDP) | 15 Watt | 300 Watt |
We couldn't decide between Steam Deck CPU (LCD) and Xeon Platinum 8558U. We've got no test results to judge.
Be aware that Steam Deck CPU (LCD) is a notebook processor while Xeon Platinum 8558U is a server/workstation one.
Should you still have questions on choice between Steam Deck CPU (LCD) and Xeon Platinum 8558U, ask them in Comments section, and we shall answer.
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