Xeon D-1846 vs EPYC 7643P
Primary details
Comparing EPYC 7643P and Xeon D-1846 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 36 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 15.46 | no data |
| Market segment | Server | Server |
| Power efficiency | 20.47 | no data |
| Architecture codename | Milan (2021−2023) | no data |
| Release date | 5 September 2023 (1 year ago) | 1 October 2023 (1 year ago) |
| Launch price (MSRP) | $2,722 | no data |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
EPYC 7643P and Xeon D-1846 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 | 48 (Octatetraconta-Core) | 10 (Deca-Core) |
| Performance-cores | no data | 10 |
| Threads | 96 | 20 |
| Base clock speed | 2.3 GHz | 2 GHz |
| Boost clock speed | 3.6 GHz | 3.1 GHz |
| L1 cache | 64 KB (per core) | no data |
| L2 cache | 512 KB (per core) | no data |
| L3 cache | 256 MB (shared) | 15360 KB |
| Chip lithography | 7 nm | no data |
| Die size | 8x 81 mm2 | no data |
| Number of transistors | 33,200 million | no data |
| 64 bit support | - | + |
Compatibility
Information on EPYC 7643P and Xeon D-1846 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 | FCBGA2227 |
| Power consumption (TDP) | 225 Watt | 55 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by EPYC 7643P and Xeon D-1846. You'll probably need this information if you require some particular technology.
| Instruction set extensions | no data | Intel® AVX-512 |
| AES-NI | + | + |
| AVX | + | - |
| Enhanced SpeedStep (EIST) | no data | + |
| QuickAssist | no data | - |
| Turbo Boost Technology | no data | 2.0 |
| Hyper-Threading Technology | no data | + |
| Thermal Monitoring | - | + |
| Precision Boost 2 | + | no data |
| Deep Learning Boost | - | + |
Security technologies
EPYC 7643P and Xeon D-1846 technologies aimed at improving security, for example, by protecting against hacks.
| TXT | no data | - |
| EDB | no data | + |
| SGX | no data | Yes with Intel® SPS |
Virtualization technologies
Virtual machine speed-up technologies supported by EPYC 7643P and Xeon D-1846 are enumerated here.
| AMD-V | + | - |
| VT-d | no data | + |
| VT-x | no data | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by EPYC 7643P and Xeon D-1846. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4 | DDR4 |
| Maximum memory size | no data | 256 GB |
| Max memory channels | no data | 2 |
| 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 7643P and Xeon D-1846.
| PCIe version | 4.0 | 4.0 |
| PCI Express lanes | 128 | 16 |
| USB revision | no data | 3.0 |
| Max number of SATA 6 Gb/s Ports | no data | 24 |
| Number of USB ports | no data | 4 |
| Integrated LAN | no data | - |
Pros & cons summary
| Physical cores | 48 | 10 |
| Threads | 96 | 20 |
| Power consumption (TDP) | 225 Watt | 55 Watt |
EPYC 7643P has 380% more physical cores and 380% more threads.
Xeon D-1846, on the other hand, has 309.1% lower power consumption.
We couldn't decide between EPYC 7643P and Xeon D-1846. We've got no test results to judge.
Should you still have questions on choice between EPYC 7643P and Xeon D-1846, ask them in Comments section, and we shall answer.
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