AMD A4-9120C vs AMD EPYC 7401P
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CPU comparison with benchmarks
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| AMD A4-9120C | AMD EPYC 7401P | |
CPU comparisonAMD A4-9120C or AMD EPYC 7401P - 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 A4-9120C has 2 cores with 2 threads and clocks with a maximum frequency of 2.40 GHz. Up to 8 GB of memory is supported in 1 memory channels. The AMD A4-9120C was released in Q1/2019. The AMD EPYC 7401P has 24 cores with 48 threads and clocks with a maximum frequency of 3.00 GHz. The CPU supports up to GB of memory in 8 memory channels. The AMD EPYC 7401P was released in Q3/2017. |
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| AMD A (112) | Family | AMD EPYC (129) |
| AMD A4-9000 (2) | CPU group | AMD EPYC 7001 (12) |
| 6 | Generation | 1 |
| Stoney Ridge (Excavator) | Architecture | Naples (Zen) |
| Mobile | Segment | Desktop / Server |
| -- | Predecessor | -- |
| -- | Successor | -- |
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CPU Cores and Base FrequencyThe AMD A4-9120C is a 2 core processor with a clock frequency of 1.60 GHz (2.40 GHz). The AMD EPYC 7401P has 24 CPU cores with a clock frequency of 2.00 GHz (3.00 GHz). |
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| AMD A4-9120C | Characteristic | AMD EPYC 7401P |
| 2 | Cores | 24 |
| 2 | Threads | 48 |
| normal | Core architecture | normal |
| No | Hyperthreading | Yes |
| No | Overclocking ? | No |
| 1.60 GHz | Frequency | 2.00 GHz |
| 2.40 GHz | Turbo Frequency (1 Core) | 3.00 GHz |
| 2.00 GHz | Turbo Frequency (All Cores) | 2.80 GHz |
Internal GraphicsThe integrated graphics unit of a processor is not only responsible for the pure image output on the system, but can also significantly increase the efficiency of the system with the support of modern video codecs. |
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| AMD Radeon R4 (Stoney Ridge) | GPU | no iGPU |
| 0.60 GHz | GPU frequency | -- |
| -- | GPU (Turbo) | -- |
| 7 | GPU Generation | -- |
| 28 nm | Technology | |
| 3 | Max. displays | |
| 3 | Compute units | -- |
| 192 | Shader | -- |
| No | Hardware Raytracing | No |
| No | Frame Generation | No |
| 2 GB | Max. GPU Memory | -- |
| 12 | DirectX Version | -- |
Hardware codec supportA photo or video codec that is accelerated in hardware can greatly accelerate the working speed of a processor and extend the battery life of notebooks or smartphones when playing videos. |
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| AMD Radeon R4 (Stoney Ridge) | GPU | no iGPU |
| Decode | Codec h265 / HEVC (8 bit) | No |
| Decode | Codec h265 / HEVC (10 bit) | No |
| Decode | Codec h264 | No |
| Decode | Codec VP9 | No |
| Decode | Codec VP8 | No |
| No | Codec AV1 | No |
| Decode / Encode | Codec AVC | No |
| Decode | Codec VC-1 | No |
| Decode / Encode | Codec JPEG | No |
Memory & PCIeThe AMD A4-9120C supports a maximum of 8 GB of memory in 1 memory channels. The AMD EPYC 7401P can connect up to GB of memory in 8 memory channels. |
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| AMD A4-9120C | Characteristic | AMD EPYC 7401P |
| DDR4-1866 | Memory | DDR4-2400, DDR4-2666 |
| 8 GB | Max. Memory | |
| 1 (Single Channel) | Memory channels | 8 (Octa Channel) |
| 15.0 GB/s | Max. Bandwidth | 170.6 GB/s |
| No | ECC | Yes |
| -- | L2 Cache | -- |
| 2.00 MB | L3 Cache | 64.00 MB |
| 3.0 | PCIe version | 3.0 |
| 8 | PCIe lanes | 128 |
| 7.9 GB/s | PCIe Bandwidth | 126.1 GB/s |
Thermal ManagementThe TDP (Thermal Design Power) of a processor specifies the required cooling solution. The AMD A4-9120C has a TDP of 6 W, that of the AMD EPYC 7401P is 170 W. |
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| AMD A4-9120C | Characteristic | AMD EPYC 7401P |
| 6 W | TDP (PL1 / PBP) | 170 W |
| -- | TDP (PL2) | -- |
| -- | TDP up | -- |
| -- | TDP down | -- |
| 90 °C | Tjunction max. | -- |
Technical detailsThe AMD A4-9120C has a 2.00 MB cache, while the AMD EPYC 7401P cache has a total of 64.00 MB. |
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| AMD A4-9120C | Characteristic | AMD EPYC 7401P |
| 28 nm | Technology | 14 nm |
| Unknown | Chip design | Chiplet |
| x86-64 (64 bit) | Instruction set (ISA) | x86-64 (64 bit) |
| SSE4a, SSE4.1, SSE4.2, AVX, FMA3, FMA4 | ISA extensions | SSE4a, SSE4.1, SSE4.2, AVX2, FMA3 |
| FP4 | Socket | SP3 |
| AMD-V | Virtualization | AMD-V, SVM |
| Yes | AES-NI | Yes |
| Operating systems | Windows 10, Linux | |
| Q1/2019 | Release date | Q3/2017 |
| -- | Release price | 1450 $ |
| show more data | show more data | |
2C 2T @ 1.60 GHz (2.40 GHz) buy now on Amazon and save!
24C 48T @ 2.00 GHz (3.00 GHz) buy now on Amazon and save!
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Average performance in benchmarks
⌀ Single core performance in 0 CPU benchmarks
⌀ Multi core performance in 1 CPU benchmarks
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 A4-9120C
2C 2T @ 2.00 GHz |
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AMD EPYC 7401P
24C 48T @ 2.80 GHz |
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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 A4-9120C
2C 2T @ 2.40 GHz |
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AMD EPYC 7401P
24C 48T @ 3.00 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 A4-9120C
2C 2T @ 2.00 GHz |
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AMD EPYC 7401P
24C 48T @ 2.80 GHz |
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Geekbench 6 (Single-Core)
Geekbench 6 is a benchmark for modern computers, notebooks and smartphones. What is new is an optimized utilization of newer CPU architectures, e.g. based on the big.LITTLE concept and combining CPU cores of different sizes. The single-core benchmark only evaluates the performance of the fastest CPU core, the number of CPU cores in a processor is irrelevant here.
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AMD A4-9120C
2C 2T @ 2.40 GHz |
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AMD EPYC 7401P
24C 48T @ 3.00 GHz |
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Geekbench 6 (Multi-Core)
Geekbench 6 is a benchmark for modern computers, notebooks and smartphones. What is new is an optimized utilization of newer CPU architectures, e.g. based on the big.LITTLE concept and combining CPU cores of different sizes. The multi-core benchmark evaluates the performance of all of the processor's CPU cores. Virtual thread improvements such as AMD SMT or Intel's Hyper-Threading have a positive impact on the benchmark result.
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AMD A4-9120C
2C 2T @ 2.00 GHz |
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AMD EPYC 7401P
24C 48T @ 2.80 GHz |
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iGPU - FP32 Performance (Single-precision GFLOPS)
The theoretical computing performance of the internal graphics unit of the processor with simple accuracy (32 bit) in GFLOPS. GFLOPS indicates how many billion floating point operations the iGPU can perform per second.
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AMD A4-9120C
AMD Radeon R4 (Stoney Ridge) @ 0.60 GHz |
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AMD EPYC 7401P
@ 0.00 GHz |
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Cinebench R15 (Single-Core)
Cinebench R15 is the successor of Cinebench 11.5 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 A4-9120C
2C 2T @ 2.40 GHz |
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AMD EPYC 7401P
24C 48T @ 3.00 GHz |
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Cinebench R15 (Multi-Core)
Cinebench R15 is the successor of Cinebench 11.5 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
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AMD A4-9120C
2C 2T @ 2.00 GHz |
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AMD EPYC 7401P
24C 48T @ 2.80 GHz |
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Devices using this processor |
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| AMD A4-9120C | AMD EPYC 7401P |
| Unknown | Unknown |
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