AMD A6-5400K vs AMD EPYC 7543
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CPU comparison with benchmarks
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| AMD A6-5400K | AMD EPYC 7543 | |
CPU comparisonAMD A6-5400K or AMD EPYC 7543 - 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 A6-5400K has 2 cores with 2 threads and clocks with a maximum frequency of 3.80 GHz. Up to GB of memory is supported in 2 memory channels. The AMD A6-5400K was released in Q3/2012. The AMD EPYC 7543 has 32 cores with 64 threads and clocks with a maximum frequency of 3.70 GHz. The CPU supports up to 4096 GB of memory in 8 memory channels. The AMD EPYC 7543 was released in Q1/2021. |
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| AMD A (112) | Family | AMD EPYC (129) |
| AMD A6-5000 (3) | CPU group | AMD EPYC 7003 (29) |
| 4 | Generation | 3 |
| Kabini (Jaguar) | Architecture | Milan (Zen 3) |
| Mobile | Segment | Desktop / Server |
| -- | Predecessor | -- |
| -- | Successor | -- |
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CPU Cores and Base FrequencyThe AMD A6-5400K has 2 CPU cores and can calculate 2 threads in parallel. The clock frequency of the AMD A6-5400K is 3.60 GHz (3.80 GHz) while the AMD EPYC 7543 has 32 CPU cores and 64 threads can calculate simultaneously. The clock frequency of the AMD EPYC 7543 is at 2.80 GHz (3.70 GHz). |
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| AMD A6-5400K | Characteristic | AMD EPYC 7543 |
| 2 | Cores | 32 |
| 2 | Threads | 64 |
| normal | Core architecture | normal |
| No | Hyperthreading | Yes |
| Yes | Overclocking ? | No |
| 3.60 GHz | Frequency | 2.80 GHz |
| 3.80 GHz | Turbo Frequency (1 Core) | 3.70 GHz |
| 3.80 GHz | Turbo Frequency (All Cores) | 3.30 GHz |
Internal GraphicsThe AMD A6-5400K or AMD EPYC 7543 has integrated graphics, called iGPU for short. The iGPU uses the system's main memory as graphics memory and sits on the processor's die. |
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| AMD Radeon HD 7540D | GPU | no iGPU |
| 0.64 GHz | GPU frequency | -- |
| -- | GPU (Turbo) | -- |
| 4 | GPU Generation | -- |
| 32 nm | Technology | |
| 2 | Max. displays | |
| 3 | Compute units | -- |
| 192 | Shader | -- |
| No | Hardware Raytracing | No |
| No | Frame Generation | No |
| 2 GB | Max. GPU Memory | -- |
| 11 | 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 HD 7540D | GPU | no iGPU |
| No | Codec h265 / HEVC (8 bit) | No |
| No | Codec h265 / HEVC (10 bit) | No |
| Decode | Codec h264 | No |
| No | Codec VP9 | No |
| No | Codec VP8 | No |
| No | Codec AV1 | No |
| Decode | Codec AVC | No |
| Decode | Codec VC-1 | No |
| Decode / Encode | Codec JPEG | No |
Memory & PCIeThe AMD A6-5400K can use up to GB of memory in 2 memory channels. The maximum memory bandwidth is 29.9 GB/s. The AMD EPYC 7543 supports up to 4096 GB of memory in 8 memory channels and achieves a memory bandwidth of up to 204.8 GB/s. |
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| AMD A6-5400K | Characteristic | AMD EPYC 7543 |
| DDR3-1866 | Memory | DDR4-3200 |
| Max. Memory | 4096 GB | |
| 2 (Dual Channel) | Memory channels | 8 (Octa Channel) |
| 29.9 GB/s | Max. Bandwidth | 204.8 GB/s |
| No | ECC | Yes |
| -- | L2 Cache | -- |
| 1.00 MB | L3 Cache | 256.00 MB |
| -- | PCIe version | 4.0 |
| -- | PCIe lanes | 128 |
| -- | PCIe Bandwidth | 252.0 GB/s |
Thermal ManagementThe thermal design power (TDP for short) of the AMD A6-5400K is 65 W, while the AMD EPYC 7543 has a TDP of 225 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently. |
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| AMD A6-5400K | Characteristic | AMD EPYC 7543 |
| 65 W | TDP (PL1 / PBP) | 225 W |
| -- | TDP (PL2) | -- |
| -- | TDP up | 240 W |
| -- | TDP down | -- |
| -- | Tjunction max. | -- |
Technical detailsThe AMD A6-5400K is manufactured in 28 nm and has 1.00 MB cache. The AMD EPYC 7543 is manufactured in 7 nm and has a 256.00 MB cache. |
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| AMD A6-5400K | Characteristic | AMD EPYC 7543 |
| 28 nm | Technology | 7 nm |
| Unknown | Chip design | Chiplet |
| x86-64 (64 bit) | Instruction set (ISA) | x86-64 (64 bit) |
| SSE4a, SSE4.1, SSE4.2, AVX | ISA extensions | SSE4a, SSE4.1, SSE4.2, AVX2, FMA3 |
| FM2 | Socket | SP3 |
| AMD-V | Virtualization | AMD-V, SVM |
| Yes | AES-NI | Yes |
| Operating systems | Windows 10, Linux | |
| Q3/2012 | Release date | Q1/2021 |
| 45 $ | Release price | 3761 $ |
| show more data | show more data | |
2C 2T @ 3.60 GHz (3.80 GHz) buy now on Amazon and save!
32C 64T @ 2.80 GHz (3.70 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 A6-5400K
2C 2T @ 3.80 GHz |
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AMD EPYC 7543
32C 64T @ 3.70 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 A6-5400K
2C 2T @ 3.80 GHz |
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AMD EPYC 7543
32C 64T @ 3.30 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 A6-5400K
2C 2T @ 3.80 GHz |
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AMD EPYC 7543
32C 64T @ 3.30 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 A6-5400K
2C 2T @ 3.80 GHz |
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AMD EPYC 7543
32C 64T @ 3.70 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 A6-5400K
2C 2T @ 3.80 GHz |
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AMD EPYC 7543
32C 64T @ 3.30 GHz |
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Cinebench R20 (Single-Core)
Cinebench R20 is the successor of Cinebench R15 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 A6-5400K
2C 2T @ 3.80 GHz |
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AMD EPYC 7543
32C 64T @ 3.70 GHz |
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Cinebench R20 (Multi-Core)
Cinebench R20 is the successor of Cinebench R15 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 A6-5400K
2C 2T @ 3.80 GHz |
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AMD EPYC 7543
32C 64T @ 3.30 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 A6-5400K
AMD Radeon HD 7540D @ 0.64 GHz |
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AMD EPYC 7543
@ 0.00 GHz |
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CPU-Z Benchmark 17 (Multi-Core)
The CPU-Z benchmark measures a processor's performance by measuring the time it takes the system to complete all benchmark calculations. The faster the benchmark is completed, the higher the score.
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AMD A6-5400K
2C 2T @ 3.60 GHz |
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AMD EPYC 7543
32C 64T @ 2.80 GHz |
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Devices using this processor |
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| AMD A6-5400K | AMD EPYC 7543 |
| Unknown | Unknown |
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