Xeon Platinum 8170 vs EPYC 7551
Primary details
Comparing EPYC 7551 and Xeon Platinum 8170 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 422 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 1.21 | no data |
| Market segment | Server | Server |
| Series | AMD EPYC | Intel Xeon Platinum |
| Power efficiency | 8.57 | no data |
| Architecture codename | Naples (2017−2018) | Skylake (server) (2017−2018) |
| Release date | 20 June 2017 (7 years ago) | 25 April 2017 (7 years ago) |
| Launch price (MSRP) | $3,400 | $7,405 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
EPYC 7551 and Xeon Platinum 8170 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 | 32 (Dotriaconta-Core) | 26 (Hexacosa-Core) |
| Threads | 64 | 52 |
| Base clock speed | 2 GHz | 2.1 GHz |
| Boost clock speed | 2 GHz | 3.7 GHz |
| Multiplier | 20 | 21 |
| L1 cache | 3 MB | 1.625 MB |
| L2 cache | 16 MB | 26 MB |
| L3 cache | 64 MB (shared) | 35.75 MB |
| Chip lithography | 14 nm | 14 nm |
| Die size | 213 mm2 | no data |
| Maximum core temperature | no data | 89 °C |
| Number of transistors | 19200 Million | no data |
| 64 bit support | + | + |
| Windows 11 compatibility | - | + |
| Unlocked multiplier | + | - |
Compatibility
Information on EPYC 7551 and Xeon Platinum 8170 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) | 8 (Multiprocessor) |
| Socket | TR4 | FCLGA3647 |
| Power consumption (TDP) | 180 Watt | 165 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by EPYC 7551 and Xeon Platinum 8170. 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 | - |
Security technologies
EPYC 7551 and Xeon Platinum 8170 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 7551 and Xeon Platinum 8170 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 7551 and Xeon Platinum 8170. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4 Eight-channel | DDR4-2666 |
| Maximum memory size | 2 TiB | 768 GB |
| 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 7551 and Xeon Platinum 8170.
| PCIe version | 3.0 | 3.0 |
| PCI Express lanes | 128 | 48 |
Pros & cons summary
| Recency | 20 June 2017 | 25 April 2017 |
| Physical cores | 32 | 26 |
| Threads | 64 | 52 |
| Power consumption (TDP) | 180 Watt | 165 Watt |
EPYC 7551 has an age advantage of 1 month, and 23.1% more physical cores and 23.1% more threads.
Xeon Platinum 8170, on the other hand, has 9.1% lower power consumption.
We couldn't decide between EPYC 7551 and Xeon Platinum 8170. We've got no test results to judge.
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