Xeon 6978P vs D-2899NT
Contents
Primary details
Comparing 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 |
| Designer | Intel | Intel |
| Manufacturer | Intel | no data |
| Architecture codename | Ice Lake-D (2022−2023) | no data |
| Release date | 14 December 2023 (1 year ago) | 1 July 2025 (recently) |
| Launch price (MSRP) | $2,138 | no data |
Detailed specifications
Xeon D-2899NT 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 | 22 (Docosa-Core) | 120 |
| Threads | 44 | 240 |
| Base clock speed | 2.2 GHz | 2.1 GHz |
| Boost clock speed | 3.1 GHz | 3.9 GHz |
| L1 cache | 80 KB (per core) | no data |
| L2 cache | 1.25 MB (per core) | no data |
| L3 cache | 30 MB (shared) | 504 MB |
| Chip lithography | 10 nm | Intel 3 nm |
| Maximum core temperature | no data | 80 °C |
| 64 bit support | + | - |
Compatibility
Information on Xeon D-2899NT 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 | FCBGA2579 | FCLGA7529 |
| Power consumption (TDP) | 135 Watt | 500 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Xeon D-2899NT and Xeon 6978P. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Intel® AVX-512 | Intel® AMX, Intel® SSE4.2, Intel® AVX, Intel® AVX2, Intel® AVX-512 |
| AES-NI | + | + |
| AVX | + | - |
| Enhanced SpeedStep (EIST) | + | no data |
| QuickAssist | + | no data |
| Speed Shift | no data | + |
| Turbo Boost Technology | 2.0 | 2.0 |
| Hyper-Threading Technology | + | + |
| TSX | - | + |
| Thermal Monitoring | + | - |
| Deep Learning Boost | + | + |
Security technologies
Xeon D-2899NT and Xeon 6978P technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | + |
| EDB | + | + |
| SGX | Yes with Intel® SPS | + |
| OS Guard | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Xeon D-2899NT and Xeon 6978P are enumerated here.
| VT-d | + | + |
| VT-x | + | + |
| EPT | no data | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Xeon D-2899NT 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 | 1 TB | 3 TB |
| Max memory channels | 4 | 12 |
| ECC memory support | + | + |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | N/A | no data |
Peripherals
Specifications and connection of peripherals supported by Xeon D-2899NT and Xeon 6978P.
| PCIe version | 4.0 | 5.0 |
| PCI Express lanes | 32 | 96 |
| USB revision | 3.0 | no data |
| Total number of SATA ports | 24 | no data |
| Number of USB ports | 4 | no data |
| Integrated LAN | + | no data |
Pros & cons summary
| Recency | 14 December 2023 | 1 July 2025 |
| Physical cores | 22 | 120 |
| Threads | 44 | 240 |
| Power consumption (TDP) | 135 Watt | 500 Watt |
Xeon D-2899NT has 270.4% lower power consumption.
Xeon 6978P, on the other hand, has an age advantage of 1 year, and 445.5% more physical cores and 445.5% more threads.
We couldn't decide between Intel Xeon D-2899NT and Intel Xeon 6978P. We've got no test results to judge.
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