EPYC 7443P vs Xeon E7-8891 v2
Primary details
Comparing Xeon E7-8891 v2 and EPYC 7443P processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | not rated | 99 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | no data | 24.22 |
| Market segment | Server | Server |
| Series | no data | AMD EPYC |
| Power efficiency | no data | 17.01 |
| Architecture codename | no data | Milan (2021−2023) |
| Release date | 1 January 2014 (10 years ago) | 12 January 2021 (3 years ago) |
| Launch price (MSRP) | no data | $1,337 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
Xeon E7-8891 v2 and EPYC 7443P 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 | 10 (Deca-Core) | 24 (Tetracosa-Core) |
| Threads | 20 | 48 |
| Base clock speed | 3.2 GHz | 2.85 GHz |
| Boost clock speed | 3.7 GHz | 4 GHz |
| Bus rate | 8 GT/s | no data |
| Multiplier | no data | 28.5 |
| L1 cache | no data | 1536 KB |
| L2 cache | no data | 12 MB |
| L3 cache | 37.5 MB | 128 MB (shared) |
| Chip lithography | 22 nm | 7 nm+ |
| Die size | no data | 4x 81 mm2 |
| Maximum core temperature | 77 °C | no data |
| Number of transistors | no data | 16,600 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | + |
Compatibility
Information on Xeon E7-8891 v2 and EPYC 7443P 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 | 8 | 1 |
| Socket | FCLGA2011 | SP3 |
| Power consumption (TDP) | 155 Watt | 200 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Xeon E7-8891 v2 and EPYC 7443P. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Intel® AVX | no data |
| AES-NI | + | + |
| AVX | - | + |
| Enhanced SpeedStep (EIST) | + | no data |
| Turbo Boost Technology | 2.0 | no data |
| Hyper-Threading Technology | + | no data |
| Idle States | + | no data |
| Thermal Monitoring | + | - |
| PAE | 46 Bit | no data |
Security technologies
Xeon E7-8891 v2 and EPYC 7443P technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | no data |
| EDB | + | no data |
| Secure Key | + | no data |
| OS Guard | + | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Xeon E7-8891 v2 and EPYC 7443P 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 Xeon E7-8891 v2 and EPYC 7443P. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3-1066, DDR3-1333, DDR3-1600 | DDR4-3200 |
| Maximum memory size | 1.5 TB | 4 TiB |
| Max memory channels | 4 | no data |
| Maximum memory bandwidth | 85 GB/s | 204.795 GB/s |
| ECC memory support | + | - |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | no data | N/A |
Peripherals
Specifications and connection of peripherals supported by Xeon E7-8891 v2 and EPYC 7443P.
| PCIe version | 3.0 | 4.0 |
| PCI Express lanes | 32 | 128 |
Pros & cons summary
| Recency | 1 January 2014 | 12 January 2021 |
| Physical cores | 10 | 24 |
| Threads | 20 | 48 |
| Chip lithography | 22 nm | 7 nm |
| Power consumption (TDP) | 155 Watt | 200 Watt |
Xeon E7-8891 v2 has 29% lower power consumption.
EPYC 7443P, on the other hand, has an age advantage of 7 years, 140% more physical cores and 140% more threads, and a 214.3% more advanced lithography process.
We couldn't decide between Xeon E7-8891 v2 and EPYC 7443P. We've got no test results to judge.
Should you still have questions on choice between Xeon E7-8891 v2 and EPYC 7443P, ask them in Comments section, and we shall answer.
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