Ryzen Threadripper 9980X vs Xeon Platinum 8558U
Contents
Primary details
Comparing 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 | Server | Desktop processor |
| Designer | Intel | AMD |
| Manufacturer | Intel | TSMC |
| Architecture codename | Emerald Rapids (2023) | Shimada Peak (2025) |
| Release date | 14 December 2023 (1 year ago) | July 2025 |
| Launch price (MSRP) | $3,720 | no data |
Detailed specifications
Xeon Platinum 8558U and Ryzen Threadripper 9980X 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) | 64 (Tetrahexaconta-Core) |
| Threads | 96 | 128 |
| Base clock speed | 2 GHz | 3.2 GHz |
| Boost clock speed | 4 GHz | 5.4 GHz |
| L1 cache | 80 KB (per core) | 64 KB (per core) |
| L2 cache | 2 MB (per core) | 1 MB (per core) |
| L3 cache | 260 MB (shared) | 256 MB (shared) |
| Chip lithography | Intel 7 nm | 4 nm |
| Die size | 2x 763 mm2 | 8x 70.6 mm2 |
| Maximum case temperature (TCase) | 78 °C | no data |
| Number of transistors | no data | 66,520 million |
| 64 bit support | + | + |
| Unlocked multiplier | - | + |
Compatibility
Information on Xeon Platinum 8558U and Ryzen Threadripper 9980X 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 | FCLGA4677 | sTR5 |
| Power consumption (TDP) | 300 Watt | 350 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Xeon Platinum 8558U and Ryzen Threadripper 9980X. 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 | + | - |
| Precision Boost 2 | no data | + |
| Deep Learning Boost | + | - |
Security technologies
Xeon Platinum 8558U and Ryzen Threadripper 9980X 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 8558U and Ryzen Threadripper 9980X are enumerated here.
| AMD-V | - | + |
| VT-d | + | no data |
| VT-x | + | no data |
| EPT | + | no data |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Xeon Platinum 8558U and Ryzen Threadripper 9980X. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR5 @ 4800 MT/s (1 DPC) | DDR5 |
| 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 | N/A |
Peripherals
Specifications and connection of peripherals supported by Xeon Platinum 8558U and Ryzen Threadripper 9980X.
| PCIe version | 5.0 | 5.0 |
| PCI Express lanes | 80 | 48 |
Pros & cons summary
| Physical cores | 48 | 64 |
| Threads | 96 | 128 |
| Power consumption (TDP) | 300 Watt | 350 Watt |
Xeon Platinum 8558U has 16.7% lower power consumption.
Ryzen Threadripper 9980X, on the other hand, has 33.3% more physical cores and 33.3% more threads.
We couldn't decide between Intel Xeon Platinum 8558U and AMD Ryzen Threadripper 9980X. We've got no test results to judge.
Be aware that Xeon Platinum 8558U is a server/workstation processor while Ryzen Threadripper 9980X is a desktop one.
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