AMD A6-6400K vs. AMD A4-4000
CPU comparison with benchmarks
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| AMD A6-6400K | AMD A4-4000 | |
| AMD A | Family | AMD A |
| AMD A6-6000 | CPU group | AMD A4-4000 |
| 3 | Generation | 2 |
| Richland (Piledriver) | Architecture | Richland (Piledriver) |
| Desktop / Server | Segment | Desktop / Server |
| -- | Predecessor | -- |
| -- | Successor | -- |
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| 2 | Cores | 2 |
| 2 | Threads | 2 |
| 3.90 GHz | Frequency | 3.00 GHz |
| 4.10 GHz | Turbo (1 Core) | 3.20 GHz |
| 4.10 GHz | Turbo (All Cores) | 3.20 GHz |
| normal | Core architecture | normal |
| No | Hyperthreading | No |
| Yes | Overclocking ? | No |
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| AMD Radeon HD 8470D | GPU | AMD Radeon HD 7480D |
| 0.80 GHz | GPU frequency | 0.72 GHz |
| GPU (Turbo) | ||
| 5 | GPU Generation | 4 |
| 32 nm | Technology | 32 nm |
| 2 | Max. displays | 2 |
| 3 | Execution units | 2 |
| 192 | Shader | 128 |
| 2 GB | Max. GPU Memory | 2 GB |
| 11.2 | DirectX Version | 11 |
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| No | Codec h265 / HEVC (8 bit) | No |
| No | Codec h265 / HEVC (10 bit) | No |
| Decode | Codec h264 | Decode |
| No | Codec VP9 | No |
| No | Codec VP8 | No |
| No | Codec AV1 | No |
| Decode | Codec AVC | Decode |
| Decode | Codec VC-1 | Decode |
| Decode / Encode | Codec JPEG | Decode / Encode |
CPU Cores and Base Frequency
Internal Graphics
Hardware codec support
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| DDR3-1866 | Memory | DDR3-1333 |
| Max. Memory | ||
| 2 | Memory channels | 2 |
| No | ECC | No |
| L2 Cache | ||
| 1.00 MB | L3 Cache | 1.00 MB |
| PCIe version | ||
| PCIe lanes | ||
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| 65 W | TDP (PL1) | 65 W |
| -- | TDP (PL2) | -- |
| -- | TDP up | -- |
| -- | TDP down | -- |
| -- | Tjunction max. | -- |
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| 32 nm | Technology | 32 nm |
| 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, AVX, FMA3, FMA4 |
| FM2 | Socket | FM2 |
| AMD-V | Virtualization | AMD-V |
| Yes | AES-NI | Yes |
| Q2/2013 | Release date | Q2/2013 |
| show more data | show more data | |
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2 x 3.90 GHz, Turbo 4.10 GHz (65 W TDP) buy now on Amazon and save!
2 x 3.00 GHz, Turbo 3.20 GHz (65 W TDP) buy now on Amazon and save!
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Memory & PCIe
Thermal Management
Technical detailsCinebench 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 A6-6400K
2x 3.90 GHz (4.10 GHz) |
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AMD A4-4000
2x 3.00 GHz (3.20 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 A6-6400K
2x 3.90 GHz (4.10 GHz) |
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AMD A4-4000
2x 3.00 GHz (3.20 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 A6-6400K
2x 3.90 GHz (4.10 GHz) |
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AMD A4-4000
2x 3.00 GHz (3.20 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 A6-6400K
2x 3.90 GHz (4.10 GHz) |
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AMD A4-4000
2x 3.00 GHz (3.20 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 A6-6400K
2x 3.90 GHz (4.10 GHz) |
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AMD A4-4000
2x 3.00 GHz (3.20 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 A6-6400K
AMD Radeon HD 8470D @ 0.80 GHz |
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AMD A4-4000
AMD Radeon HD 7480D @ 0.72 GHz |
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Geekbench 3, 64bit (Single-Core)
Geekbench 3 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 A6-6400K
2x 3.90 GHz (4.10 GHz) |
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AMD A4-4000
2x 3.00 GHz (3.20 GHz) |
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Geekbench 3, 64bit (Multi-Core)
Geekbench 3 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 A6-6400K
2x 3.90 GHz (4.10 GHz) |
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AMD A4-4000
2x 3.00 GHz (3.20 GHz) |
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Cinebench R11.5, 64bit (Single-Core)
Cinebench 11.5 is based on the Cinema 4D Suite, a software that is popular to generate forms and other stuff in 3D. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.|
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AMD A6-6400K
2x 3.90 GHz (4.10 GHz) |
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AMD A4-4000
2x 3.00 GHz (3.20 GHz) |
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Cinebench R11.5, 64bit (Multi-Core)
Cinebench 11.5 is based on the Cinema 4D Suite, a software that is popular to generate forms and other stuff in 3D. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.|
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AMD A6-6400K
2x 3.90 GHz (4.10 GHz) |
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AMD A4-4000
2x 3.00 GHz (3.20 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 A6-6400K
2x 3.90 GHz (4.10 GHz) |
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AMD A4-4000
2x 3.00 GHz (3.20 GHz) |
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| AMD A6-6400K | AMD A4-4000 |
| Unknown | Unknown |
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