Xeon Platinum 8170 vs Core i9-9900KF
Primary details
Comparing Core i9-9900KF and Xeon Platinum 8170 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in performance ranking | 614 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 15.41 | no data |
| Market segment | Desktop processor | Server |
| Series | Intel Core i9 | Intel Xeon Platinum |
| Architecture codename | Coffee Lake-R (2018−2019) | Skylake (server) (2017−2019) |
| Release date | 8 January 2019 (5 years ago) | 25 April 2017 (7 years ago) |
| Launch price (MSRP) | $488 | $7,405 |
| Current price | $343 (0.7x MSRP) | $13298 (1.8x MSRP) |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
Core i9-9900KF 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 | 8 (Octa-Core) | 26 (Hexacosa-Core) |
| Threads | 16 | 52 |
| Base clock speed | 3.6 GHz | 2.1 GHz |
| Boost clock speed | 5 GHz | 3.7 GHz |
| Bus support | 4 × 8 GT/s | no data |
| L1 cache | 64K (per core) | 1.625 MB |
| L2 cache | 256K (per core) | 26 MB |
| L3 cache | 16 MB (shared) | 35.75 MB |
| Chip lithography | 14 nm | 14 nm |
| Maximum core temperature | 100 °C | 89 °C |
| Maximum case temperature (TCase) | 72 °C | no data |
| 64 bit support | + | + |
| Windows 11 compatibility | + | + |
| Unlocked multiplier | Yes | No |
Compatibility
Information on Core i9-9900KF 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 | 1 | 8 (Multiprocessor) |
| Socket | FCLGA1151 | FCLGA3647 |
| Power consumption (TDP) | 95 Watt | 165 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core i9-9900KF and Xeon Platinum 8170. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2 | Intel® SSE4.2, Intel® AVX, Intel® AVX2, Intel® AVX-512 |
| AES-NI | + | + |
| AVX | + | + |
| vPro | no data | + |
| Enhanced SpeedStep (EIST) | + | + |
| Speed Shift | no data | + |
| Turbo Boost Technology | 2.0 | 2.0 |
| Hyper-Threading Technology | + | + |
| TSX | + | + |
| Idle States | + | no data |
| Thermal Monitoring | + | no data |
| SIPP | - | no data |
| Turbo Boost Max 3.0 | no data | - |
| Status | Discontinued | Discontinued |
Security technologies
Core i9-9900KF and Xeon Platinum 8170 technologies aimed at improving security, for example, by protecting against hacks.
| TXT | - | + |
| EDB | + | + |
| Secure Key | + | no data |
| MPX | + | no data |
| Identity Protection | + | no data |
| SGX | Yes with Intel® ME | no data |
| OS Guard | + | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Core i9-9900KF and Xeon Platinum 8170 are enumerated here.
| VT-d | + | + |
| VT-x | + | + |
| EPT | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Core i9-9900KF and Xeon Platinum 8170. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4-2666 | DDR4-2666 |
| Maximum memory size | 128 GB | 768 GB |
| Max memory channels | 2 | 6 |
| Maximum memory bandwidth | 41.6 GB/s | 128.001 GB/s |
| ECC memory support | - | + |
Peripherals
Specifications and connection of peripherals supported by Core i9-9900KF and Xeon Platinum 8170.
| PCIe version | 3.0 | 3.0 |
| PCI Express lanes | 16 | 48 |
Pros & cons summary
| Recency | 8 January 2019 | 25 April 2017 |
| Physical cores | 8 | 26 |
| Threads | 16 | 52 |
| Cost | $488 | $7405 |
| Power consumption (TDP) | 95 Watt | 165 Watt |
We couldn't decide between Core i9-9900KF and Xeon Platinum 8170. We've got no test results to judge.
Note that Core i9-9900KF is a desktop processor while Xeon Platinum 8170 is a server/workstation one.
Should you still have questions on choice between Core i9-9900KF and Xeon Platinum 8170, ask them in Comments section, and we shall answer.
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