Ryzen 9 9955HX vs Xeon Gold 6542Y
Aggregate performance score
Xeon Gold 6542Y outperforms Ryzen 9 9955HX by a substantial 30% based on our aggregate benchmark results.
Contents
Primary details
Comparing processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 96 | 184 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 35.77 | no data |
| Market segment | Server | Laptop |
| Series | no data | AMD Dragon Range (Zen 4, Ryzen 7045) |
| Power efficiency | 14.10 | 49.39 |
| Designer | Intel | AMD |
| Manufacturer | Intel | no data |
| Architecture codename | Emerald Rapids (2023) | Fire Range-HX (Zen 5) (2025) |
| Release date | 14 December 2023 (1 year ago) | 6 January 2025 (less than a year ago) |
| Launch price (MSRP) | $2,878 | no data |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
Xeon Gold 6542Y and Ryzen 9 9955HX 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 | 24 (Tetracosa-Core) | 16 (Hexadeca-Core) |
| Threads | 48 | 32 |
| Base clock speed | 2.9 GHz | no data |
| Boost clock speed | 4.1 GHz | 5.4 GHz |
| L1 cache | 80 KB (per core) | 1.3 MB |
| L2 cache | 2 MB (per core) | 16 MB |
| L3 cache | 60 MB (shared) | 64 MB |
| Chip lithography | Intel 7 nm | no data |
| Die size | 2x 763 mm2 | no data |
| Maximum case temperature (TCase) | 83 °C | no data |
| 64 bit support | + | + |
Compatibility
Information on Xeon Gold 6542Y and Ryzen 9 9955HX 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 | no data |
| Socket | FCLGA4677 | no data |
| Power consumption (TDP) | 250 Watt | 55 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Xeon Gold 6542Y and Ryzen 9 9955HX. 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 Gold 6542Y and Ryzen 9 9955HX 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 Gold 6542Y and Ryzen 9 9955HX 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 Xeon Gold 6542Y and Ryzen 9 9955HX. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR5-5200 | no data |
| 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 | AMD Radeon 610M ( - 2200 MHz) |
Peripherals
Specifications and connection of peripherals supported by Xeon Gold 6542Y and Ryzen 9 9955HX.
| PCIe version | 5.0 | no data |
| PCI Express lanes | 80 | no data |
Pros & cons summary
| Performance score | 36.81 | 28.36 |
| Recency | 14 December 2023 | 6 January 2025 |
| Physical cores | 24 | 16 |
| Threads | 48 | 32 |
| Power consumption (TDP) | 250 Watt | 55 Watt |
Xeon Gold 6542Y has a 29.8% higher aggregate performance score, and 50% more physical cores and 50% more threads.
Ryzen 9 9955HX, on the other hand, has an age advantage of 1 year, and 354.5% lower power consumption.
The Intel Xeon Gold 6542Y is our recommended choice as it beats the AMD Ryzen 9 9955HX in performance tests.
Be aware that Xeon Gold 6542Y is a server/workstation processor while Ryzen 9 9955HX is a notebook one.
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