AMD FX-4320 | AMD EPYC 7251 | |
CPU comparisonAMD FX-4320 or AMD EPYC 7251 - which processor is faster? In this comparison we look at the differences and analyze which of these two CPUs is better. We compare the technical data and benchmark results.
The AMD FX-4320 has 4 cores with 4 threads and clocks with a maximum frequency of 4.20 GHz. Up to GB of memory is supported in 2 memory channels. The AMD FX-4320 was released in Q4/2012. The AMD EPYC 7251 has 8 cores with 16 threads and clocks with a maximum frequency of 2.90 GHz. The CPU supports up to GB of memory in 8 memory channels. The AMD EPYC 7251 was released in Q3/2017. |
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AMD FX (30) | Family | AMD EPYC (129) |
AMD FX-4300 (3) | CPU group | AMD EPYC 7001 (12) |
2 | Generation | 1 |
Vishera (Bulldozer) | Architecture | Naples (Zen) |
Desktop / Server | Segment | Desktop / Server |
-- | Predecessor | -- |
-- | Successor | -- |
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CPU Cores and Base FrequencyThe AMD FX-4320 has 4 CPU cores and can calculate 4 threads in parallel. The clock frequency of the AMD FX-4320 is 4.00 GHz (4.20 GHz) while the AMD EPYC 7251 has 8 CPU cores and 16 threads can calculate simultaneously. The clock frequency of the AMD EPYC 7251 is at 2.10 GHz (2.90 GHz). |
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AMD FX-4320 | Characteristic | AMD EPYC 7251 |
4 | Cores | 8 |
4 | Threads | 16 |
normal | Core architecture | normal |
No | Hyperthreading | Yes |
Yes | Overclocking ? | No |
4.00 GHz | Frequency | 2.10 GHz |
4.20 GHz | Turbo Frequency (1 Core) | 2.90 GHz |
4.20 GHz | Turbo Frequency (All Cores) | 2.90 GHz |
Memory & PCIeThe AMD FX-4320 can use up to GB of memory in 2 memory channels. The maximum memory bandwidth is 29.9 GB/s. The AMD EPYC 7251 supports up to GB of memory in 8 memory channels and achieves a memory bandwidth of up to 153.6 GB/s. |
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AMD FX-4320 | Characteristic | AMD EPYC 7251 |
DDR3-1866 | Memory | DDR4-2666 |
Max. Memory | ||
2 (Dual Channel) | Memory channels | 8 (Octa Channel) |
29.9 GB/s | Max. Bandwidth | 153.6 GB/s |
Yes | ECC | Yes |
-- | L2 Cache | -- |
4.00 MB | L3 Cache | 32.00 MB |
-- | PCIe version | 3.0 |
-- | PCIe lanes | 128 |
-- | PCIe Bandwidth | 126.1 GB/s |
Thermal ManagementThe thermal design power (TDP for short) of the AMD FX-4320 is 95 W, while the AMD EPYC 7251 has a TDP of 120 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently. |
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AMD FX-4320 | Characteristic | AMD EPYC 7251 |
95 W | TDP (PL1 / PBP) | 120 W |
-- | TDP (PL2) | -- |
-- | TDP up | -- |
-- | TDP down | -- |
-- | Tjunction max. | -- |
Technical detailsThe AMD FX-4320 is manufactured in 32 nm and has 4.00 MB cache. The AMD EPYC 7251 is manufactured in 14 nm and has a 32.00 MB cache. |
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AMD FX-4320 | Characteristic | AMD EPYC 7251 |
32 nm | Technology | 14 nm |
Unknown | Chip design | Chiplet |
x86-64 (64 bit) | Instruction set (ISA) | x86-64 (64 bit) |
SSE4.1, SSE4.2, AVX, FMA3, FMA4 | ISA extensions | SSE4a, SSE4.1, SSE4.2, AVX2, FMA3 |
AM3+ | Socket | SP3 |
AMD-V | Virtualization | AMD-V, SVM |
Yes | AES-NI | Yes |
Windows 10, Linux | Operating systems | Windows 10, Linux |
Q4/2012 | Release date | Q3/2017 |
-- | Release price | 450 $ |
show more data | show more data | |
AMD FX-4320
4C 4T @ 4.20 GHz |
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AMD EPYC 7251
8C 16T @ 2.90 GHz |
AMD FX-4320
4C 4T @ 4.20 GHz |
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AMD EPYC 7251
8C 16T @ 2.90 GHz |
AMD FX-4320
4C 4T @ 4.20 GHz |
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AMD EPYC 7251
8C 16T @ 2.90 GHz |
AMD FX-4320
4C 4T @ 4.20 GHz |
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AMD EPYC 7251
8C 16T @ 2.90 GHz |
AMD FX-4320
4C 4T @ 4.20 GHz |
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AMD EPYC 7251
8C 16T @ 2.90 GHz |
Devices using this processor |
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AMD FX-4320 | AMD EPYC 7251 |
Unknown | Unknown |