Xeon 6978P vs i9-11900H
Contents
Primary details
Comparing processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 721 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Server |
| Series | Tiger Lake | no data |
| Power efficiency | 13.85 | no data |
| Designer | Intel | Intel |
| Manufacturer | Intel | no data |
| Architecture codename | Tiger Lake-H (2021) | no data |
| Release date | 11 May 2021 (4 years ago) | 1 July 2025 (recently) |
Detailed specifications
Core i9-11900H and Xeon 6978P 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) | 120 |
| Threads | 16 | 240 |
| Base clock speed | 2.5 GHz | 2.1 GHz |
| Boost clock speed | 4.9 GHz | 3.9 GHz |
| Bus rate | 8 GT/s | no data |
| L1 cache | 96K (per core) | no data |
| L2 cache | 1.25 MB (per core) | no data |
| L3 cache | 24 MB (shared) | 504 MB |
| Chip lithography | 10 nm SuperFin | Intel 3 nm |
| Maximum core temperature | 100 °C | 80 °C |
| Maximum case temperature (TCase) | 72 °C | no data |
| 64 bit support | + | - |
| Windows 11 compatibility | + | no data |
Compatibility
Information on Core i9-11900H and Xeon 6978P 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 | no data |
| Socket | FCBGA1787 | FCLGA7529 |
| Power consumption (TDP) | 35 Watt | 500 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core i9-11900H and Xeon 6978P. 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® AMX, Intel® SSE4.2, Intel® AVX, Intel® AVX2, Intel® AVX-512 |
| AES-NI | + | + |
| FMA | + | - |
| AVX | + | - |
| Enhanced SpeedStep (EIST) | + | no data |
| 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 6978P technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | + |
| EDB | no data | + |
| SGX | - | + |
| OS Guard | + | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Core i9-11900H and Xeon 6978P 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 6978P. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4 | DDR5(6400MT/s) MRDIMM(8800MT/s) |
| Maximum memory size | 128 GB | 3 TB |
| Max memory channels | 2 | 12 |
| 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 6978P integrated GPUs.
| Number of displays supported | 4 | no data |
Graphics image quality
Maximum display resolutions supported by Core i9-11900H and Xeon 6978P 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 6978P 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 6978P.
| PCIe version | 4.0 | 5.0 |
| PCI Express lanes | 20 | 96 |
Pros & cons summary
| Recency | 11 May 2021 | 1 July 2025 |
| Physical cores | 8 | 120 |
| Threads | 16 | 240 |
| Power consumption (TDP) | 35 Watt | 500 Watt |
i9-11900H has 1328.6% lower power consumption.
Xeon 6978P, on the other hand, has an age advantage of 4 years, and 1400% more physical cores and 1400% more threads.
We couldn't decide between Intel Core i9-11900H and Intel Xeon 6978P. We've got no test results to judge.
Be aware that Core i9-11900H is a notebook processor while Xeon 6978P is a server/workstation one.
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