Xeon Gold 5218B vs EPYC 7281
Primary details
Comparing EPYC 7281 and Xeon Gold 5218B processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 542 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 4.68 | no data |
| Market segment | Server | Server |
| Series | AMD EPYC | Intel Xeon Gold |
| Power efficiency | 7.58 | no data |
| Architecture codename | Naples (2017−2018) | Cascade Lake (2019−2020) |
| Release date | 20 June 2017 (7 years ago) | 2 April 2019 (5 years ago) |
| Launch price (MSRP) | $650 | $1,273 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
EPYC 7281 and Xeon Gold 5218B 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 | 16 (Hexadeca-Core) | 16 (Hexadeca-Core) |
| Threads | 32 | 32 |
| Base clock speed | 2.1 GHz | 2.3 GHz |
| Boost clock speed | 2.1 GHz | 3.9 GHz |
| Bus type | no data | DMI 3.0 |
| Bus rate | no data | 4 × 8 GT/s |
| Multiplier | 21 | 23 |
| L1 cache | 1.5 MB | 1 MB |
| L2 cache | 8 MB | 16 MB |
| L3 cache | 32 MB (shared) | 22 MB |
| Chip lithography | 14 nm | 14 nm |
| Die size | 213 mm2 | no data |
| Maximum core temperature | no data | 87 °C |
| Number of transistors | 19200 Million | no data |
| 64 bit support | + | + |
| Windows 11 compatibility | - | + |
| Unlocked multiplier | + | - |
Compatibility
Information on EPYC 7281 and Xeon Gold 5218B 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 (Multiprocessor) | 4 (Multiprocessor) |
| Socket | TR4 | FCLGA3647 |
| Power consumption (TDP) | 155 W, 170 Watt | 125 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by EPYC 7281 and Xeon Gold 5218B. You'll probably need this information if you require some particular technology.
| Instruction set extensions | no data | 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 | - | + |
| Turbo Boost Max 3.0 | no data | - |
| Deep Learning Boost | - | + |
Security technologies
EPYC 7281 and Xeon Gold 5218B technologies aimed at improving security, for example, by protecting against hacks.
| TXT | no data | + |
| EDB | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by EPYC 7281 and Xeon Gold 5218B 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 EPYC 7281 and Xeon Gold 5218B. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4 Eight-channel | DDR4-2667 |
| Maximum memory size | 2 TiB | 1 TB |
| Max memory channels | 8 | 6 |
| Maximum memory bandwidth | 170.671 GB/s | 128.001 GB/s |
| ECC memory support | + | + |
Peripherals
Specifications and connection of peripherals supported by EPYC 7281 and Xeon Gold 5218B.
| PCIe version | 3.0 | 3.0 |
| PCI Express lanes | 128 | 48 |
Pros & cons summary
| Recency | 20 June 2017 | 2 April 2019 |
| Power consumption (TDP) | 155 Watt | 125 Watt |
Xeon Gold 5218B has an age advantage of 1 year, and 24% lower power consumption.
We couldn't decide between EPYC 7281 and Xeon Gold 5218B. We've got no test results to judge.
Should you still have questions on choice between EPYC 7281 and Xeon Gold 5218B, ask them in Comments section, and we shall answer.
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