AMD EPYC 7773X vs AMD FX-4320
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CPU comparison with benchmarks
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| AMD EPYC 7773X | AMD FX-4320 | |
CPU comparisonAMD EPYC 7773X or AMD FX-4320 - 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 EPYC 7773X has 64 cores with 128 threads and clocks with a maximum frequency of 3.50 GHz. Up to 4096 GB of memory is supported in 8 memory channels. The AMD EPYC 7773X was released in Q2/2022. The AMD FX-4320 has 4 cores with 4 threads and clocks with a maximum frequency of 4.20 GHz. The CPU supports up to GB of memory in 2 memory channels. The AMD FX-4320 was released in Q4/2012. |
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| AMD EPYC (129) | Family | AMD FX (30) |
| AMD EPYC 7003 (29) | CPU group | AMD FX-4300 (3) |
| 3 | Generation | 2 |
| Milan (Zen 3) | Architecture | Vishera (Bulldozer) |
| Desktop / Server | Segment | Desktop / Server |
| -- | Predecessor | -- |
| -- | Successor | -- |
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CPU Cores and Base FrequencyThe AMD EPYC 7773X has 64 CPU cores and can calculate 128 threads in parallel. The clock frequency of the AMD EPYC 7773X is 2.20 GHz (3.50 GHz) while the AMD FX-4320 has 4 CPU cores and 4 threads can calculate simultaneously. The clock frequency of the AMD FX-4320 is at 4.00 GHz (4.20 GHz). |
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| AMD EPYC 7773X | Characteristic | AMD FX-4320 |
| 64 | Cores | 4 |
| 128 | Threads | 4 |
| normal | Core architecture | normal |
| Yes | Hyperthreading | No |
| No | Overclocking ? | Yes |
| 2.20 GHz | Frequency | 4.00 GHz |
| 3.50 GHz | Turbo Frequency (1 Core) | 4.20 GHz |
| -- | Turbo Frequency (All Cores) | 4.20 GHz |
Memory & PCIeThe AMD EPYC 7773X can use up to 4096 GB of memory in 8 memory channels. The maximum memory bandwidth is 204.8 GB/s. The AMD FX-4320 supports up to GB of memory in 2 memory channels and achieves a memory bandwidth of up to 29.9 GB/s. |
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| AMD EPYC 7773X | Characteristic | AMD FX-4320 |
| DDR4-3200 | Memory | DDR3-1866 |
| 4096 GB | Max. Memory | |
| 8 (Octa Channel) | Memory channels | 2 (Dual Channel) |
| 204.8 GB/s | Max. Bandwidth | 29.9 GB/s |
| Yes | ECC | Yes |
| 32.00 MB | L2 Cache | -- |
| 768.00 MB | L3 Cache | 4.00 MB |
| 4.0 | PCIe version | -- |
| 128 | PCIe lanes | -- |
| 252.0 GB/s | PCIe Bandwidth | -- |
Thermal ManagementThe thermal design power (TDP for short) of the AMD EPYC 7773X is 280 W, while the AMD FX-4320 has a TDP of 95 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently. |
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| AMD EPYC 7773X | Characteristic | AMD FX-4320 |
| 280 W | TDP (PL1 / PBP) | 95 W |
| -- | TDP (PL2) | -- |
| -- | TDP up | -- |
| 225 W | TDP down | -- |
| -- | Tjunction max. | -- |
Technical detailsThe AMD EPYC 7773X is manufactured in 7 nm and has 800.00 MB cache. The AMD FX-4320 is manufactured in 32 nm and has a 4.00 MB cache. |
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| AMD EPYC 7773X | Characteristic | AMD FX-4320 |
| 7 nm | Technology | 32 nm |
| Chiplet | Chip design | Unknown |
| x86-64 (64 bit) | Instruction set (ISA) | x86-64 (64 bit) |
| SSE4a, SSE4.1, SSE4.2, AVX2, FMA3 | ISA extensions | SSE4.1, SSE4.2, AVX, FMA3, FMA4 |
| SP3 | Socket | AM3+ |
| AMD-V, SVM | Virtualization | AMD-V |
| Yes | AES-NI | Yes |
| Windows 10, Linux | Operating systems | Windows 10, Linux |
| Q2/2022 | Release date | Q4/2012 |
| 8800 $ | Release price | -- |
| show more data | show more data | |
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4C 4T @ 4.00 GHz (4.20 GHz) buy now on Amazon and save!
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Rate these processors
Average performance in benchmarks
⌀ Single core performance in 1 CPU benchmarks
⌀ Multi core performance in 2 CPU benchmarks
Geekbench 5, 64bit (Single-Core)
Geekbench 5 is a cross plattform benchmark that heavily uses the systems memory. A fast memory will push the result a lot. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.
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AMD EPYC 7773X
64C 128T @ 3.50 GHz |
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AMD FX-4320
4C 4T @ 4.20 GHz |
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Geekbench 5, 64bit (Multi-Core)
Geekbench 5 is a cross plattform benchmark that heavily uses the systems memory. A fast memory will push the result a lot. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
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AMD EPYC 7773X
64C 128T @ 2.20 GHz |
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AMD FX-4320
4C 4T @ 4.20 GHz |
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Estimated results for PassMark CPU Mark
Some of the CPUs listed below have been benchmarked by CPU-monkey. However the majority of CPUs have not been tested and the results have been estimated by a CPU-monkey’s secret proprietary formula. As such they do not accurately reflect the actual Passmark CPU mark values and are not endorsed by PassMark Software Pty Ltd.
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AMD EPYC 7773X
64C 128T @ 2.20 GHz |
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AMD FX-4320
4C 4T @ 4.20 GHz |
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Cinebench 2024 (Single-Core)
The Cinebench 2024 benchmark is based on the Redshift rendering engine, which is also used in Maxon's 3D program Cinema 4D. The benchmark runs are each 10 minutes long to test whether the processor is limited by its heat generation.
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AMD EPYC 7773X
64C 128T @ 3.50 GHz |
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AMD FX-4320
4C 4T @ 4.20 GHz |
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Cinebench 2024 (Multi-Core)
The Multi-Core test of the Cinebench 2024 benchmark uses all cpu cores to render using the Redshift rendering engine, which is also used in Maxons Cinema 4D. The benchmark run is 10 minutes long to test whether the processor is limited by its heat generation.
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AMD EPYC 7773X
64C 128T @ 3.50 GHz |
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AMD FX-4320
4C 4T @ 4.20 GHz |
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Cinebench R23 (Single-Core)
Cinebench R23 is the successor of Cinebench R20 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.
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AMD EPYC 7773X
64C 128T @ 3.50 GHz |
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AMD FX-4320
4C 4T @ 4.20 GHz |
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Devices using this processor |
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| AMD EPYC 7773X | AMD FX-4320 |
| Unknown | Unknown |
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