Xeon E7-8870 vs EPYC 7551
Primary details
Comparing EPYC 7551 and Xeon E7-8870 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 400 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 1.23 | no data |
| Market segment | Server | Server |
| Series | AMD EPYC | Intel Xeon E7 |
| Power efficiency | 8.59 | no data |
| Architecture codename | Naples (2017−2018) | Westmere-EX (2011) |
| Release date | 29 June 2017 (7 years ago) | 3 April 2011 (13 years ago) |
| Launch price (MSRP) | $3,400 | $4,616 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
EPYC 7551 and Xeon E7-8870 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 | 32 (Dotriaconta-Core) | 10 (Deca-Core) |
| Threads | 64 | 20 |
| Base clock speed | 2 GHz | 2.4 GHz |
| Boost clock speed | 3 GHz | 2.8 GHz |
| Bus type | no data | QPI |
| Bus rate | no data | 6.4 GT/s |
| Multiplier | 20 | 18 |
| L1 cache | 96K (per core) | 64K (per core) |
| L2 cache | 512K (per core) | 256K (per core) |
| L3 cache | 64 MB (shared) | 30 MB (shared) |
| Chip lithography | 14 nm | 32 nm |
| Die size | 192 mm2 | 513 mm2 |
| Maximum core temperature | no data | 69 °C |
| Number of transistors | 4,800 million | 2,600 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
| Unlocked multiplier | + | - |
Compatibility
Information on EPYC 7551 and Xeon E7-8870 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 | 2 (Multiprocessor) | 8 (Multiprocessor) |
| Socket | TR4 | FCLGA1567,LGA1567 |
| Power consumption (TDP) | 180 Watt | 130 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by EPYC 7551 and Xeon E7-8870. You'll probably need this information if you require some particular technology.
| Instruction set extensions | no data | Intel® SSE4.1, Intel® SSE4.2 |
| AES-NI | + | + |
| AVX | + | - |
| Enhanced SpeedStep (EIST) | no data | + |
| Turbo Boost Technology | no data | 1.0 |
| Hyper-Threading Technology | no data | + |
| Thermal Monitoring | - | + |
Security technologies
EPYC 7551 and Xeon E7-8870 technologies aimed at improving security, for example, by protecting against hacks.
| TXT | no data | + |
| EDB | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by EPYC 7551 and Xeon E7-8870 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 7551 and Xeon E7-8870. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4 Eight-channel | DDR3 |
| Maximum memory size | 2 TiB | 4 TB |
| Max memory channels | 8 | 4 |
| Maximum memory bandwidth | 170.671 GB/s | 34.113 GB/s |
| ECC memory support | + | + |
Peripherals
Specifications and connection of peripherals supported by EPYC 7551 and Xeon E7-8870.
| PCIe version | 3.0 | no data |
| PCI Express lanes | 128 | no data |
Pros & cons summary
| Recency | 29 June 2017 | 3 April 2011 |
| Physical cores | 32 | 10 |
| Threads | 64 | 20 |
| Chip lithography | 14 nm | 32 nm |
| Power consumption (TDP) | 180 Watt | 130 Watt |
EPYC 7551 has an age advantage of 6 years, 220% more physical cores and 220% more threads, and a 128.6% more advanced lithography process.
Xeon E7-8870, on the other hand, has 38.5% lower power consumption.
We couldn't decide between EPYC 7551 and Xeon E7-8870. We've got no test results to judge.
Should you still have questions on choice between EPYC 7551 and Xeon E7-8870, ask them in Comments section, and we shall answer.
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