Pentium Extreme Edition 955 vs Xeon Platinum 8558
Contents
Primary details
Comparing processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | not rated | 3382 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Server | Desktop processor |
| Power efficiency | no data | 0.09 |
| Designer | Intel | Intel |
| Manufacturer | Intel | Intel |
| Architecture codename | Emerald Rapids (2023) | Presler (2005−2007) |
| Release date | 14 December 2023 (1 year ago) | 27 December 2005 (19 years ago) |
| Launch price (MSRP) | $4,650 | $999 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Performance to price scatter graph
Detailed specifications
Xeon Platinum 8558 and Pentium Extreme Edition 955 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) | 2 (Dual-core) |
| Threads | 96 | 4 |
| Base clock speed | 2.1 GHz | 3.466 GHz |
| Boost clock speed | 4 GHz | 0.47 GHz |
| L1 cache | 80 KB (per core) | 16 KB (per core) |
| L2 cache | 2 MB (per core) | 2 MB (per core) |
| L3 cache | 260 MB (shared) | no data |
| Chip lithography | Intel 7 nm | 65 nm |
| Die size | 2x 763 mm2 | 2x 81 mm2 |
| Maximum case temperature (TCase) | 78 °C | 69 °C |
| Number of transistors | no data | 376 million |
| 64 bit support | + | + |
| Unlocked multiplier | - | + |
Compatibility
Information on Xeon Platinum 8558 and Pentium Extreme Edition 955 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 | 775 |
| Power consumption (TDP) | 330 Watt | 130 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Xeon Platinum 8558 and Pentium Extreme Edition 955. 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 | no data |
| AES-NI | + | - |
| AVX | + | - |
| vPro | + | no data |
| Enhanced SpeedStep (EIST) | + | no data |
| Speed Shift | + | no data |
| Turbo Boost Technology | 2.0 | no data |
| Hyper-Threading Technology | + | no data |
| TSX | + | - |
| Deep Learning Boost | + | - |
Security technologies
Xeon Platinum 8558 and Pentium Extreme Edition 955 technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | no data |
| EDB | + | no data |
| SGX | Yes with Intel® SPS | no data |
| OS Guard | + | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Xeon Platinum 8558 and Pentium Extreme Edition 955 are enumerated here.
| VT-d | + | no data |
| VT-x | + | + |
| EPT | + | no data |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Xeon Platinum 8558 and Pentium Extreme Edition 955. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR5 @ 5200 MT/s (1 DPC) | DDR1, DDR2, DDR3 Depends on motherboard |
| Maximum memory size | 4 TB | no data |
| Max memory channels | 8 | no data |
| ECC memory support | + | - |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | N/A | On certain motherboards (Chipset feature) |
Peripherals
Specifications and connection of peripherals supported by Xeon Platinum 8558 and Pentium Extreme Edition 955.
| PCIe version | 5.0 | no data |
| PCI Express lanes | 80 | no data |
Pros & cons summary
| Recency | 14 December 2023 | 27 December 2005 |
| Physical cores | 48 | 2 |
| Threads | 96 | 4 |
| Power consumption (TDP) | 330 Watt | 130 Watt |
Xeon Platinum 8558 has an age advantage of 17 years, and 2300% more physical cores and 2300% more threads.
Pentium Extreme Edition 955, on the other hand, has 153.8% lower power consumption.
We couldn't decide between Intel Xeon Platinum 8558 and Intel Pentium Extreme Edition 955. We've got no test results to judge.
Be aware that Xeon Platinum 8558 is a server/workstation processor while Pentium Extreme Edition 955 is a desktop one.
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