AMD A6-3400M vs AMD A6-6420K
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CPU comparison with benchmarks
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| AMD A6-3400M | AMD A6-6420K | |
CPU comparisonIn this CPU comparison, we compare the AMD A6-3400M and the AMD A6-6420K and use benchmarks to check which processor is faster.
We compare the AMD A6-3400M 4 core processor released in Q2/2011 with the AMD A6-6420K which has 2 CPU cores and was introduced in Q1/2014. |
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| AMD A (112) | Family | AMD A (112) |
| AMD A6-3000M (9) | CPU group | AMD A6-6000 (3) |
| 1 | Generation | 3 |
| Llano (K10) | Architecture | Richland (Piledriver) |
| Mobile | Segment | Desktop / Server |
| -- | Predecessor | -- |
| -- | Successor | -- |
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CPU Cores and Base FrequencyThe AMD A6-3400M is a 4 core processor with a clock frequency of 1.40 GHz (2.30 GHz). The processor can compute 4 threads at the same time. The AMD A6-6420K clocks with 4.00 GHz (4.20 GHz), has 2 CPU cores and can calculate 2 threads in parallel. |
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| AMD A6-3400M | Characteristic | AMD A6-6420K |
| 4 | Cores | 2 |
| 4 | Threads | 2 |
| normal | Core architecture | normal |
| No | Hyperthreading | No |
| Yes | Overclocking ? | Yes |
| 1.40 GHz | Frequency | 4.00 GHz |
| 2.30 GHz | Turbo Frequency (1 Core) | 4.20 GHz |
| 2.30 GHz | Turbo Frequency (All Cores) | 4.20 GHz |
Internal GraphicsGraphics (iGPU) integrated into the processor not only enable image output without having to rely on a dedicated graphics solution, but can also efficiently accelerate video playback. |
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| AMD Radeon HD 6520G | GPU | AMD Radeon HD 8470D |
| 0.40 GHz | GPU frequency | 0.80 GHz |
| -- | GPU (Turbo) | -- |
| 3 | GPU Generation | 5 |
| 32 nm | Technology | 32 nm |
| 2 | Max. displays | 2 |
| 5 | Compute units | 3 |
| 320 | Shader | 192 |
| No | Hardware Raytracing | No |
| No | Frame Generation | No |
| 1 GB | Max. GPU Memory | 2 GB |
| 11 | DirectX Version | 11.2 |
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 6520G | GPU | AMD Radeon HD 8470D |
| 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 |
Memory & PCIeUp to GB of memory in a maximum of 2 memory channels is supported by the AMD A6-3400M, while the AMD A6-6420K supports a maximum of GB of memory with a maximum memory bandwidth of 29.9 GB/s enabled. |
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| AMD A6-3400M | Characteristic | AMD A6-6420K |
| DDR3-1333 | Memory | DDR3-1866 |
| Max. Memory | ||
| 2 (Dual Channel) | Memory channels | 2 (Dual Channel) |
| 21.3 GB/s | Max. Bandwidth | 29.9 GB/s |
| No | ECC | No |
| -- | L2 Cache | -- |
| 4.00 MB | L3 Cache | 1.00 MB |
| -- | PCIe version | -- |
| -- | PCIe lanes | -- |
| -- | PCIe Bandwidth | -- |
Thermal ManagementThe AMD A6-3400M has a TDP of 35 W. The TDP of the AMD A6-6420K is 65 W. System integrators use the TDP of the processor as a guide when dimensioning the cooling solution. |
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| AMD A6-3400M | Characteristic | AMD A6-6420K |
| 35 W | TDP (PL1 / PBP) | 65 W |
| -- | TDP (PL2) | -- |
| -- | TDP up | -- |
| -- | TDP down | -- |
| -- | Tjunction max. | -- |
Technical detailsThe AMD A6-3400M has 4.00 MB cache and is manufactured in 32 nm. The cache of AMD A6-6420K is at 1.00 MB. The processor is manufactured in 32 nm. |
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| AMD A6-3400M | Characteristic | AMD A6-6420K |
| 32 nm | Technology | 32 nm |
| Unknown | Chip design | Unknown |
| x86-64 (64 bit) | Instruction set (ISA) | x86-64 (64 bit) |
| SSE3, SSE4a | ISA extensions | SSE4a, SSE4.1, SSE4.2, AVX, FMA3, FMA4 |
| FS1 | Socket | FM2 |
| AMD-V | Virtualization | AMD-V |
| No | AES-NI | Yes |
| Operating systems | Windows 10, Linux | |
| Q2/2011 | Release date | Q1/2014 |
| -- | Release price | 53 $ |
| show more data | show more data | |
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2C 2T @ 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 A6-3400M
4C 4T @ 2.30 GHz |
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AMD A6-6420K
2C 2T @ 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 A6-3400M
4C 4T @ 2.30 GHz |
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AMD A6-6420K
2C 2T @ 4.20 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 A6-3400M
AMD Radeon HD 6520G @ 0.40 GHz |
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AMD A6-6420K
AMD Radeon HD 8470D @ 0.80 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 A6-3400M
4C 4T @ 2.30 GHz |
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AMD A6-6420K
2C 2T @ 4.20 GHz |
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Devices using this processor |
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| AMD A6-3400M | AMD A6-6420K |
| Unknown | Unknown |
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