U300 vs Xeon Platinum 8558
Primary details
Comparing Xeon Platinum 8558 and U300 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | not rated | 1182 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Server | Laptop |
| Power efficiency | no data | 8.98 |
| Architecture codename | Emerald Rapids (2023) | no data |
| Release date | 14 December 2023 (less than a year ago) | 1 January 2023 (1 year ago) |
| Launch price (MSRP) | $4,650 | no data |
Detailed specifications
Xeon Platinum 8558 and U300 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 | 48 (Octatetraconta-Core) | no data |
| Threads | 96 | 6 |
| Base clock speed | 2.1 GHz | no data |
| Boost clock speed | 4 GHz | 4.4 GHz |
| L1 cache | 80 KB (per core) | no data |
| L2 cache | 2 MB (per core) | no data |
| L3 cache | 260 MB (shared) | 8 MB Intel® Smart Cache |
| Chip lithography | Intel 7 nm | Intel 7 nm |
| Die size | 2x 763 mm2 | no data |
| Maximum core temperature | no data | 100 °C |
| Maximum case temperature (TCase) | 78 °C | no data |
| 64 bit support | + | + |
Compatibility
Information on Xeon Platinum 8558 and U300 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 | 2 | 1 |
| Socket | FCLGA4677 | FCBGA1744 |
| Power consumption (TDP) | 330 Watt | 55 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Xeon Platinum 8558 and U300. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Intel® AMX, Intel® SSE4.2, Intel® AVX, Intel® AVX2, Intel® AVX-512 | Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2 |
| AES-NI | + | + |
| AVX | + | - |
| vPro | + | no data |
| Enhanced SpeedStep (EIST) | + | no data |
| Speed Shift | + | + |
| Turbo Boost Technology | 2.0 | no data |
| Hyper-Threading Technology | + | + |
| TSX | + | - |
| Thermal Monitoring | - | + |
| Flex Memory Access | no data | + |
| Deep Learning Boost | + | + |
Security technologies
Xeon Platinum 8558 and U300 technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | no data |
| EDB | + | + |
| Secure Key | no data | + |
| SGX | Yes with Intel® SPS | no data |
| OS Guard | + | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Xeon Platinum 8558 and U300 are enumerated here.
| VT-d | + | + |
| VT-x | + | + |
| EPT | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Xeon Platinum 8558 and U300. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR5 @ 5200 MT/s (1 DPC) | DDR5-5200, DDR4-3200, LPDDR4x-4267 |
| Maximum memory size | 4 TB | 96 GB |
| Max memory channels | 8 | 2 |
| ECC memory support | + | - |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | N/A | Intel® UHD Graphics for 13th Gen Intel® Processors |
| Quick Sync Video | - | + |
| Graphics max frequency | no data | 1.1 GHz |
| Execution Units | no data | 48 |
Graphics interfaces
Available interfaces and connections of Xeon Platinum 8558 and U300 integrated GPUs.
| Number of displays supported | no data | 4 |
Graphics image quality
Maximum display resolutions supported by Xeon Platinum 8558 and U300 integrated GPUs, including resolutions over different interfaces.
| Max resolution over HDMI 1.4 | no data | 4096 x 2304 @ 60Hz |
| Max resolution over eDP | no data | 4096 x 2304 @ 120Hz |
| Max resolution over DisplayPort | no data | 7680 x 4320 @ 60Hz |
Graphics API support
APIs supported by Xeon Platinum 8558 and U300 integrated GPUs, sometimes API versions are included.
| DirectX | no data | 12.1 |
| OpenGL | no data | 4.6 |
Peripherals
Specifications and connection of peripherals supported by Xeon Platinum 8558 and U300.
| PCIe version | 5.0 | no data |
| PCI Express lanes | 80 | 20 |
Pros & cons summary
| Recency | 14 December 2023 | 1 January 2023 |
| Threads | 96 | 6 |
| Power consumption (TDP) | 330 Watt | 55 Watt |
Xeon Platinum 8558 has an age advantage of 11 months, and 1500% more threads.
U300, on the other hand, has 500% lower power consumption.
We couldn't decide between Xeon Platinum 8558 and U300. We've got no test results to judge.
Be aware that Xeon Platinum 8558 is a server/workstation processor while U300 is a notebook one.
Should you still have questions on choice between Xeon Platinum 8558 and U300, ask them in Comments section, and we shall answer.
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