FX-8170 vs EPYC 7551
Primary details
Comparing EPYC 7551 and FX-8170 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 401 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 1.24 | no data |
| Market segment | Server | Desktop processor |
| Series | AMD EPYC | no data |
| Power efficiency | 8.59 | no data |
| Architecture codename | Naples (2017−2018) | Zambezi (2011−2012) |
| Release date | 20 June 2017 (7 years ago) | 23 October 2012 (12 years ago) |
| Launch price (MSRP) | $3,400 | no data |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
EPYC 7551 and FX-8170 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) | 8 (Octa-Core) |
| Threads | 64 | 8 |
| Base clock speed | 2 GHz | 3.9 GHz |
| Boost clock speed | 2 GHz | 4.5 GHz |
| Multiplier | 20 | no data |
| L1 cache | 3 MB | 384 KB |
| L2 cache | 16 MB | 8 MB |
| L3 cache | 64 MB (shared) | 8 MB (shared) |
| Chip lithography | 14 nm | 32 nm |
| Die size | 213 mm2 | 315 mm2 |
| Number of transistors | 19200 Million | 1,200 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
| Unlocked multiplier | + | + |
Compatibility
Information on EPYC 7551 and FX-8170 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) | 1 |
| Socket | TR4 | AM3+ |
| Power consumption (TDP) | 180 Watt | 125 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by EPYC 7551 and FX-8170. You'll probably need this information if you require some particular technology.
| AES-NI | + | + |
| FMA | - | + |
| AVX | + | + |
Virtualization technologies
Virtual machine speed-up technologies supported by EPYC 7551 and FX-8170 are enumerated here.
| AMD-V | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by EPYC 7551 and FX-8170. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4 Eight-channel | DDR3 |
| Maximum memory size | 2 TiB | no data |
| Max memory channels | 8 | no data |
| Maximum memory bandwidth | 170.671 GB/s | no data |
| ECC memory support | + | - |
Peripherals
Specifications and connection of peripherals supported by EPYC 7551 and FX-8170.
| PCIe version | 3.0 | 2.0 |
| PCI Express lanes | 128 | no data |
Pros & cons summary
| Recency | 20 June 2017 | 23 October 2012 |
| Physical cores | 32 | 8 |
| Threads | 64 | 8 |
| Chip lithography | 14 nm | 32 nm |
| Power consumption (TDP) | 180 Watt | 125 Watt |
EPYC 7551 has an age advantage of 4 years, 300% more physical cores and 700% more threads, and a 128.6% more advanced lithography process.
FX-8170, on the other hand, has 44% lower power consumption.
We couldn't decide between EPYC 7551 and FX-8170. We've got no test results to judge.
Be aware that EPYC 7551 is a server/workstation processor while FX-8170 is a desktop one.
Should you still have questions on choice between EPYC 7551 and FX-8170, ask them in Comments section, and we shall answer.
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