Xeon Platinum 8558U vs Athlon 64 FX-55
Primary details
Comparing Athlon 64 FX-55 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 |
| Architecture codename | Clawhammer (2001−2005) | Emerald Rapids (2023) |
| Release date | 10 October 2004 (20 years ago) | 14 December 2023 (less than a year ago) |
| Launch price (MSRP) | $180 | $3,720 |
Detailed specifications
Athlon 64 FX-55 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 | 1 (Single-Core) | 48 (Octatetraconta-Core) |
| Threads | 1 | 96 |
| Base clock speed | 2.6 GHz | 2 GHz |
| Boost clock speed | 2.6 GHz | 4 GHz |
| L1 cache | 128 KB | 80 KB (per core) |
| L2 cache | 1 MB | 2 MB (per core) |
| L3 cache | 0 KB | 260 MB (shared) |
| Chip lithography | 130 nm | Intel 7 nm |
| Die size | 193 mm2 | 2x 763 mm2 |
| Maximum case temperature (TCase) | 63 °C | 78 °C |
| Number of transistors | 105 million | no data |
| 64 bit support | + | + |
| Windows 11 compatibility | - | no data |
| Unlocked multiplier | + | - |
Compatibility
Information on Athlon 64 FX-55 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 | 939 | FCLGA4677 |
| Power consumption (TDP) | 104 Watt | 300 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Athlon 64 FX-55 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 | - | + |
| Deep Learning Boost | - | + |
Security technologies
Athlon 64 FX-55 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 Athlon 64 FX-55 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 Athlon 64 FX-55 and Xeon Platinum 8558U. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR1 Depends on motherboard | DDR5 @ 4800 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 | On certain motherboards (Chipset feature) | N/A |
Peripherals
Specifications and connection of peripherals supported by Athlon 64 FX-55 and Xeon Platinum 8558U.
| PCIe version | no data | 5.0 |
| PCI Express lanes | no data | 80 |
Pros & cons summary
| Recency | 10 October 2004 | 14 December 2023 |
| Physical cores | 1 | 48 |
| Threads | 1 | 96 |
| Power consumption (TDP) | 104 Watt | 300 Watt |
Athlon 64 FX-55 has 188.5% lower power consumption.
Xeon Platinum 8558U, on the other hand, has an age advantage of 19 years, and 4700% more physical cores and 9500% more threads.
We couldn't decide between Athlon 64 FX-55 and Xeon Platinum 8558U. We've got no test results to judge.
Note that Athlon 64 FX-55 is a desktop processor while Xeon Platinum 8558U is a server/workstation one.
Should you still have questions on choice between Athlon 64 FX-55 and Xeon Platinum 8558U, ask them in Comments section, and we shall answer.
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