Xeon Platinum 8170F vs Phi 31S1P
Primary details
Comparing Xeon Phi 31S1P and Xeon Platinum 8170F 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 | Server |
| Series | no data | Intel Xeon Platinum |
| Architecture codename | Knights Corner (2012−2014) | Skylake (server) (2017−2018) |
| Release date | 17 June 2013 (11 years ago) | no data |
Detailed specifications
Xeon Phi 31S1P and Xeon Platinum 8170F 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 | 57 (Heptapentaconta-Core) | 26 (Hexacosa-Core) |
| Threads | 228 | 52 |
| Boost clock speed | 1.1 GHz | 2.1 GHz |
| Multiplier | no data | 21 |
| L1 cache | 32 KB (per core) | 1.625 MB |
| L2 cache | 512 KB (per core) | 26 MB |
| L3 cache | 0 KB (shared) | 35.75 MB |
| Chip lithography | 22 nm | 14 nm |
| Die size | 350 mm2 | no data |
| Number of transistors | 5,000 million | no data |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
Compatibility
Information on Xeon Phi 31S1P and Xeon Platinum 8170F 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 | 8 (Multiprocessor) |
| Socket | PCIe x16 | Socket P |
| Power consumption (TDP) | 270 Watt | 165 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Xeon Phi 31S1P and Xeon Platinum 8170F. You'll probably need this information if you require some particular technology.
| AES-NI | + | + |
| AVX | + | + |
| vPro | + | + |
| Enhanced SpeedStep (EIST) | + | + |
| TSX | - | + |
Security technologies
Xeon Phi 31S1P and Xeon Platinum 8170F technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Xeon Phi 31S1P and Xeon Platinum 8170F are enumerated here.
| VT-d | + | + |
| VT-x | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Xeon Phi 31S1P and Xeon Platinum 8170F. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3, DDR4 | DDR4-2666 |
| Maximum memory size | no data | 768 GB |
| Max memory channels | no data | 6 |
| Maximum memory bandwidth | no data | 128.001 GB/s |
| ECC memory support | - | + |
Peripherals
Specifications and connection of peripherals supported by Xeon Phi 31S1P and Xeon Platinum 8170F.
| PCIe version | no data | 3.0 |
| PCI Express lanes | no data | 48 |
Pros & cons summary
| Physical cores | 57 | 26 |
| Threads | 228 | 52 |
| Chip lithography | 22 nm | 14 nm |
| Power consumption (TDP) | 270 Watt | 165 Watt |
Xeon Phi 31S1P has 119.2% more physical cores and 338.5% more threads.
Xeon Platinum 8170F, on the other hand, has a 57.1% more advanced lithography process, and 63.6% lower power consumption.
We couldn't decide between Xeon Phi 31S1P and Xeon Platinum 8170F. We've got no test results to judge.
Should you still have questions on choice between Xeon Phi 31S1P and Xeon Platinum 8170F, ask them in Comments section, and we shall answer.
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