FX-8320 vs EPYC 7351P
Aggregate performance score
EPYC 7351P outperforms FX-8320 by a whopping 355% based on our aggregate benchmark results.
Contents
Primary details
Comparing processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 578 | 1802 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 4.09 | no data |
| Market segment | Server | Desktop processor |
| Series | AMD EPYC | no data |
| Power efficiency | 8.89 | 2.66 |
| Designer | AMD | AMD |
| Architecture codename | Naples (2017−2018) | Vishera (2012−2015) |
| Release date | 29 June 2017 (8 years ago) | 23 October 2012 (13 years ago) |
| Launch price (MSRP) | $750 | no data |
Cost-effectiveness evaluation
Performance per price, higher is better.
Performance to price scatter graph
Detailed specifications
EPYC 7351P and FX-8320 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 | 16 (Hexadeca-Core) | 8 (Octa-Core) |
| Threads | 32 | 8 |
| Base clock speed | 2.4 GHz | 3.5 GHz |
| Boost clock speed | 2.9 GHz | 4 GHz |
| Multiplier | 24 | no data |
| L1 cache | 96K (per core) | no data |
| L2 cache | 512K (per core) | 8192 KB |
| L3 cache | 64 MB (shared) | no data |
| Chip lithography | 14 nm | 32 nm |
| Die size | 192 mm2 | 315 mm2 |
| Maximum core temperature | no data | 61 °C |
| Number of transistors | 4,800 million | 1,200 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
| Unlocked multiplier | + | + |
| P0 Vcore voltage | no data | Min: 1.2 V - Max: 1.4 V |
Compatibility
Information on EPYC 7351P and FX-8320 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 (Uniprocessor) | 1 |
| Socket | TR4 | AM3+ |
| Power consumption (TDP) | 170 Watt | 125 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by EPYC 7351P and FX-8320. 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 7351P and FX-8320 are enumerated here.
| AMD-V | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by EPYC 7351P and FX-8320. 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 7351P and FX-8320.
| PCIe version | 3.0 | n/a |
| PCI Express lanes | 128 | no data |
Synthetic benchmarks
Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.
Combined synthetic benchmark score
This is our combined benchmark performance rating.
Passmark
Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance. Other than that, Passmark measures multi-core performance.
GeekBench 5 Single-Core
GeekBench 5 Single-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses only a single CPU core.
GeekBench 5 Multi-Core
GeekBench 5 Multi-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses all available CPU cores.
Pros & cons summary
| Performance score | 14.10 | 3.10 |
| Recency | 29 June 2017 | 23 October 2012 |
| Physical cores | 16 | 8 |
| Threads | 32 | 8 |
| Chip lithography | 14 nm | 32 nm |
| Power consumption (TDP) | 170 Watt | 125 Watt |
EPYC 7351P has a 354.8% higher aggregate performance score, an age advantage of 4 years, 100% more physical cores and 300% more threads, and a 128.6% more advanced lithography process.
FX-8320, on the other hand, has 36% lower power consumption.
The AMD EPYC 7351P is our recommended choice as it beats the AMD FX-8320 in performance tests.
Be aware that EPYC 7351P is a server/workstation processor while FX-8320 is a desktop one.
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