Xeon Platinum 8558U vs i7-975 Extreme Edition
Primary details
Comparing Core i7-975 Extreme Edition and Xeon Platinum 8558U 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 | Desktop processor | Server |
| Series | Intel Core i7EE | no data |
| Architecture codename | Nehalem (2008−2010) | Emerald Rapids (2023) |
| Release date | 2 June 2009 (15 years ago) | 14 December 2023 (less than a year ago) |
| Launch price (MSRP) | no data | $3,720 |
Detailed specifications
Core i7-975 Extreme Edition 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 | no data | 2 GHz |
| Boost clock speed | 3.33 GHz | 4 GHz |
| Bus type | QPI | no data |
| Bus rate | 6.4 GT/s | no data |
| Multiplier | 25 | no data |
| L1 cache | no data | 80 KB (per core) |
| L2 cache | 1 MB | 2 MB (per core) |
| L3 cache | 8 MB | 260 MB (shared) |
| Chip lithography | 45 nm | Intel 7 nm |
| Die size | 263 mm2 | 2x 763 mm2 |
| Maximum case temperature (TCase) | no data | 78 °C |
| Number of transistors | 731 Million | no data |
| 64 bit support | + | + |
| Windows 11 compatibility | - | no data |
Compatibility
Information on Core i7-975 Extreme Edition 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 (Uniprocessor) | 1 |
| Socket | no data | FCLGA4677 |
| Power consumption (TDP) | 130 Watt | 300 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core i7-975 Extreme Edition 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) | + | + |
| Speed Shift | no data | + |
| Turbo Boost Technology | no data | 2.0 |
| Hyper-Threading Technology | no data | + |
| TSX | - | + |
| Deep Learning Boost | - | + |
Security technologies
Core i7-975 Extreme Edition 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 Core i7-975 Extreme Edition and Xeon Platinum 8558U are enumerated here.
| VT-d | no data | + |
| VT-x | no data | + |
| EPT | no data | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Core i7-975 Extreme Edition and Xeon Platinum 8558U. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | no data | DDR5 @ 4800 MT/s (1 DPC) |
| Maximum memory size | 24 GB | 4 TB |
| Max memory channels | no data | 8 |
| ECC memory support | - | + |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | no data | N/A |
Peripherals
Specifications and connection of peripherals supported by Core i7-975 Extreme Edition and Xeon Platinum 8558U.
| PCIe version | no data | 5.0 |
| PCI Express lanes | no data | 80 |
Pros & cons summary
| Recency | 2 June 2009 | 14 December 2023 |
| Physical cores | 4 | 48 |
| Threads | 8 | 96 |
| Power consumption (TDP) | 130 Watt | 300 Watt |
i7-975 Extreme Edition has 130.8% lower power consumption.
Xeon Platinum 8558U, on the other hand, has an age advantage of 14 years, and 1100% more physical cores and 1100% more threads.
We couldn't decide between Core i7-975 Extreme Edition and Xeon Platinum 8558U. We've got no test results to judge.
Note that Core i7-975 Extreme Edition is a desktop processor while Xeon Platinum 8558U is a server/workstation one.
Should you still have questions on choice between Core i7-975 Extreme Edition and Xeon Platinum 8558U, ask them in Comments section, and we shall answer.
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