Xeon 6978P vs EPYC 7443P
Contents
Primary details
Comparing processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 135 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 22.97 | no data |
| Market segment | Server | Server |
| Series | AMD EPYC | no data |
| Power efficiency | 6.85 | no data |
| Designer | AMD | Intel |
| Manufacturer | TSMC | no data |
| Architecture codename | Milan (2021−2023) | no data |
| Release date | 15 March 2021 (4 years ago) | 1 July 2025 (recently) |
| Launch price (MSRP) | $1,337 | no data |
Cost-effectiveness evaluation
Performance per price, higher is better.
Performance to price scatter graph
Detailed specifications
EPYC 7443P 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 | 24 (Tetracosa-Core) | 120 |
| Threads | 48 | 240 |
| Base clock speed | 2.85 GHz | 2.1 GHz |
| Boost clock speed | 4 GHz | 3.9 GHz |
| Multiplier | 28.5 | no data |
| L1 cache | 64 KB (per core) | no data |
| L2 cache | 512 KB (per core) | no data |
| L3 cache | 128 MB (shared) | 504 MB |
| Chip lithography | 7 nm+ | Intel 3 nm |
| Die size | 4x 81 mm2 | no data |
| Maximum core temperature | no data | 80 °C |
| Number of transistors | 16,600 million | no data |
| 64 bit support | + | - |
| Windows 11 compatibility | + | no data |
Compatibility
Information on EPYC 7443P 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 | SP3 | FCLGA7529 |
| Power consumption (TDP) | 200 Watt | 500 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by EPYC 7443P and Xeon 6978P. You'll probably need this information if you require some particular technology.
| Instruction set extensions | no data | Intel® AMX, Intel® SSE4.2, Intel® AVX, Intel® AVX2, Intel® AVX-512 |
| AES-NI | + | + |
| AVX | + | - |
| Speed Shift | no data | + |
| Turbo Boost Technology | no data | 2.0 |
| Hyper-Threading Technology | no data | + |
| TSX | - | + |
| Deep Learning Boost | - | + |
Security technologies
EPYC 7443P and Xeon 6978P technologies aimed at improving security, for example, by protecting against hacks.
| TXT | no data | + |
| EDB | no data | + |
| SGX | no data | + |
| OS Guard | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by EPYC 7443P and Xeon 6978P are enumerated here.
| AMD-V | + | - |
| VT-d | no data | + |
| VT-x | no data | + |
| EPT | no data | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by EPYC 7443P and Xeon 6978P. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4-3200 | DDR5(6400MT/s) MRDIMM(8800MT/s) |
| Maximum memory size | 4 TiB | 3 TB |
| Max memory channels | no data | 12 |
| Maximum memory bandwidth | 204.795 GB/s | no data |
| 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 EPYC 7443P and Xeon 6978P.
| PCIe version | 4.0 | 5.0 |
| PCI Express lanes | 128 | 96 |
Pros & cons summary
| Recency | 15 March 2021 | 1 July 2025 |
| Physical cores | 24 | 120 |
| Threads | 48 | 240 |
| Power consumption (TDP) | 200 Watt | 500 Watt |
EPYC 7443P has 150% lower power consumption.
Xeon 6978P, on the other hand, has an age advantage of 4 years, and 400% more physical cores and 400% more threads.
We couldn't decide between AMD EPYC 7443P and Intel Xeon 6978P. We've got no test results to judge.
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