AMD A9-9420e vs AMD A8-5557M
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CPU comparison with benchmarks
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| AMD A9-9420e | AMD A8-5557M | |
CPU comparisonIn this CPU comparison, we compare the AMD A9-9420e and the AMD A8-5557M and use benchmarks to check which processor is faster.
We compare the AMD A9-9420e 2 core processor released in Q2/2017 with the AMD A8-5557M which has 4 CPU cores and was introduced in Q2/2013. |
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| AMD A (112) | Family | AMD A (112) |
| AMD A9-9000 (4) | CPU group | AMD A8-5000M (3) |
| 4 | Generation | 3 |
| Stoney Ridge (Excavator) | Architecture | Richland (Piledriver) |
| Mobile | Segment | Mobile |
| -- | Predecessor | -- |
| -- | Successor | -- |
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CPU Cores and Base FrequencyThe AMD A9-9420e is a 2 core processor with a clock frequency of 1.80 GHz (2.70 GHz). The processor can compute 2 threads at the same time. The AMD A8-5557M clocks with 2.10 GHz (3.10 GHz), has 4 CPU cores and can calculate 4 threads in parallel. |
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| AMD A9-9420e | Characteristic | AMD A8-5557M |
| 2 | Cores | 4 |
| 2 | Threads | 4 |
| normal | Core architecture | normal |
| No | Hyperthreading | No |
| No | Overclocking ? | No |
| 1.80 GHz | Frequency | 2.10 GHz |
| 2.70 GHz | Turbo Frequency (1 Core) | 3.10 GHz |
| 2.40 GHz | Turbo Frequency (All Cores) | 3.10 GHz |
Integrated graphics (iGPU)Graphics (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 R5 (Stoney Ridge) | GPU | AMD Radeon HD 8550G |
| 0.72 GHz | GPU frequency | 0.52 GHz |
| -- | GPU (Turbo) | 0.72 GHz |
| 7 | GPU Generation | 5 |
| 28 nm | Technology | 32 nm |
| 3 | Max. displays | 2 |
| 3 | Compute units | 4 |
| 192 | Shader | 256 |
| No | Hardware Raytracing | No |
| No | Frame Generation | No |
| 2 GB | Max. GPU Memory | 2 GB |
| 12 | DirectX Version | 11 |
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 R5 (Stoney Ridge) | GPU | AMD Radeon HD 8550G |
| Decode | Codec h265 / HEVC (8 bit) | No |
| Decode | Codec h265 / HEVC (10 bit) | No |
| Decode | Codec h264 | Decode |
| Decode | Codec VP9 | No |
| Decode | Codec VP8 | No |
| No | Codec AV1 | No |
| Decode / Encode | Codec AVC | Decode |
| Decode | Codec VC-1 | Decode |
| Decode / Encode | Codec JPEG | Decode / Encode |
Memory & PCIeUp to 8 GB of memory in a maximum of 1 memory channels is supported by the AMD A9-9420e, while the AMD A8-5557M supports a maximum of GB of memory with a maximum memory bandwidth of 25.6 GB/s enabled. |
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| AMD A9-9420e | Characteristic | AMD A8-5557M |
| DDR4-2133 | Memory | DDR3-1600 |
| 8 GB | Max. Memory | |
| 1 (Single Channel) | Memory channels | 2 (Dual Channel) |
| 17.1 GB/s | Max. Bandwidth | 25.6 GB/s |
| No | ECC | No |
| -- | L2 Cache | -- |
| 2.00 MB | L3 Cache | 4.00 MB |
| 3.0 | PCIe version | -- |
| 8 | PCIe lanes | -- |
| 7.9 GB/s | PCIe Bandwidth | -- |
Thermal ManagementThe AMD A9-9420e has a TDP of 6 W. The TDP of the AMD A8-5557M is 35 W. System integrators use the TDP of the processor as a guide when dimensioning the cooling solution. |
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| AMD A9-9420e | Characteristic | AMD A8-5557M |
| 6 W | TDP (PL1 / PBP) | 35 W |
| -- | TDP (PL2) | -- |
| -- | TDP up | -- |
| -- | TDP down | -- |
| 90 °C | Tjunction max. | -- |
Technical detailsThe AMD A9-9420e has 2.00 MB cache and is manufactured in 28 nm. The cache of AMD A8-5557M is at 4.00 MB. The processor is manufactured in 32 nm. |
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| AMD A9-9420e | Characteristic | AMD A8-5557M |
| 28 nm | Technology | 32 nm |
| Unknown | Chip design | Unknown |
| 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 |
| FP4 | Socket | FP2 |
| AMD-V | Virtualization | AMD-V |
| Yes | AES-NI | Yes |
| Operating systems | ||
| Q2/2017 | Release date | Q2/2013 |
| -- | Release price | -- |
| show more data | show more data | |
2C 2T @ 1.80 GHz (2.70 GHz) buy now on Amazon and save!
4C 4T @ 2.10 GHz (3.10 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 A9-9420e
2C 2T @ 2.70 GHz |
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AMD A8-5557M
4C 4T @ 3.10 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 A9-9420e
2C 2T @ 2.40 GHz |
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AMD A8-5557M
4C 4T @ 3.10 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 A9-9420e
AMD Radeon R5 (Stoney Ridge) @ 0.72 GHz |
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AMD A8-5557M
AMD Radeon HD 8550G @ 0.72 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 A9-9420e
2C 2T @ 2.40 GHz |
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AMD A8-5557M
4C 4T @ 3.10 GHz |
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Devices using this processor |
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| AMD A9-9420e | AMD A8-5557M |
| Unknown | Unknown |
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