Xeon Platinum 8351N vs i9-11900H
Primary details
Comparing Core i9-11900H and Xeon Platinum 8351N processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 581 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Server |
| Series | Tiger Lake | no data |
| Power efficiency | 34.99 | no data |
| Architecture codename | Tiger Lake-H (2021) | Ice Lake-SP (2021) |
| Release date | 11 May 2021 (3 years ago) | 6 April 2021 (3 years ago) |
Detailed specifications
Core i9-11900H and Xeon Platinum 8351N 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) | 36 |
| Threads | 16 | 72 |
| Base clock speed | 2.5 GHz | 2.4 GHz |
| Boost clock speed | 4.9 GHz | 3.5 GHz |
| Bus rate | 8 GT/s | no data |
| L1 cache | 96K (per core) | 64K (per core) |
| L2 cache | 1.25 MB (per core) | 1 MB (per core) |
| L3 cache | 24 MB (shared) | 54 MB (shared) |
| Chip lithography | 10 nm SuperFin | 10 nm |
| Maximum core temperature | 100 °C | no data |
| Maximum case temperature (TCase) | 72 °C | 76 °C |
| 64 bit support | + | + |
| Windows 11 compatibility | + | + |
Compatibility
Information on Core i9-11900H and Xeon Platinum 8351N 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 | 1 |
| Socket | FCBGA1787 | FCLGA4189 |
| Power consumption (TDP) | 35 Watt | 225 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core i9-11900H and Xeon Platinum 8351N. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512 | Intel® SSE4.2, Intel® AVX, Intel® AVX2, Intel® AVX-512 |
| AES-NI | + | + |
| FMA | + | - |
| AVX | + | + |
| vPro | no data | + |
| Enhanced SpeedStep (EIST) | + | + |
| Speed Shift | + | + |
| Turbo Boost Technology | no data | 2.0 |
| Hyper-Threading Technology | + | + |
| TSX | + | + |
| Thermal Monitoring | + | - |
| Flex Memory Access | + | no data |
| Turbo Boost Max 3.0 | + | no data |
| Deep Learning Boost | + | + |
Security technologies
Core i9-11900H and Xeon Platinum 8351N technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | + |
| EDB | no data | + |
| Secure Key | + | no data |
| SGX | - | Yes with Intel® SPS |
| OS Guard | + | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Core i9-11900H and Xeon Platinum 8351N are enumerated here.
| VT-d | + | + |
| VT-x | + | + |
| EPT | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Core i9-11900H and Xeon Platinum 8351N. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4 | DDR4-2933 |
| Maximum memory size | 128 GB | 6 TB |
| Max memory channels | 2 | 8 |
| Maximum memory bandwidth | 51.2 GB/s | no data |
| ECC memory support | - | + |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | Intel® UHD Graphics for 11th Gen Intel® Processors | no data |
| Quick Sync Video | + | - |
| Graphics max frequency | 1.45 GHz | no data |
| Execution Units | 32 | no data |
Graphics interfaces
Available interfaces and connections of Core i9-11900H and Xeon Platinum 8351N integrated GPUs.
| Number of displays supported | 4 | no data |
Graphics image quality
Maximum display resolutions supported by Core i9-11900H and Xeon Platinum 8351N integrated GPUs, including resolutions over different interfaces.
| Max resolution over HDMI 1.4 | 4096x2304@60Hz | no data |
| Max resolution over eDP | 4096x2304@60Hz | no data |
| Max resolution over DisplayPort | 7680x4320@60Hz | no data |
Graphics API support
APIs supported by Core i9-11900H and Xeon Platinum 8351N integrated GPUs, sometimes API versions are included.
| DirectX | 12.1 | no data |
| OpenGL | 4.6 | no data |
Peripherals
Specifications and connection of peripherals supported by Core i9-11900H and Xeon Platinum 8351N.
| PCIe version | 4.0 | 4.0 |
| PCI Express lanes | 20 | 64 |
Pros & cons summary
| Recency | 11 May 2021 | 6 April 2021 |
| Physical cores | 8 | 36 |
| Threads | 16 | 72 |
| Power consumption (TDP) | 35 Watt | 225 Watt |
i9-11900H has an age advantage of 1 month, and 542.9% lower power consumption.
Xeon Platinum 8351N, on the other hand, has 350% more physical cores and 350% more threads.
We couldn't decide between Core i9-11900H and Xeon Platinum 8351N. We've got no test results to judge.
Be aware that Core i9-11900H is a notebook processor while Xeon Platinum 8351N is a server/workstation one.
Should you still have questions on choice between Core i9-11900H and Xeon Platinum 8351N, ask them in Comments section, and we shall answer.
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