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AMD A4-6300 vs AMD Phenom II X2 521
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CPU comparison with benchmarks
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| AMD A4-6300 | AMD Phenom II X2 521 | |
CPU comparisonAMD A4-6300 or AMD Phenom II X2 521 - 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 A4-6300 has 2 cores with 2 threads and clocks with a maximum frequency of 3.90 GHz. Up to GB of memory is supported in 2 memory channels. The AMD A4-6300 was released in Q2/2013. The AMD Phenom II X2 521 has 2 cores with 2 threads and clocks with a maximum frequency of 3.50 GHz. The CPU supports up to GB of memory in 2 memory channels. The AMD Phenom II X2 521 was released in Q2/2011. |
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| AMD A (112) | Family | AMD Phenom II (52) |
| AMD A4-6000 (3) | CPU group | AMD Phenom II - 500 (2) |
| 3 | Generation | 1 |
| Richland (Piledriver) | Architecture | Regor (K10) |
| Desktop | Segment | Desktop |
| -- | Predecessor | -- |
| -- | Successor | -- |
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CPU Cores and Base FrequencyThe AMD A4-6300 is a 2 core processor with a clock frequency of 3.70 GHz (3.90 GHz). The AMD Phenom II X2 521 has 2 CPU cores with a clock frequency of 3.50 GHz. |
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| AMD A4-6300 | Characteristic | AMD Phenom II X2 521 |
| 2 | Cores | 2 |
| 2 | Threads | 2 |
| normal | Core architecture | normal |
| No | Hyperthreading | No |
| No | Overclocking ? | Yes |
| 3.70 GHz | Frequency | 3.50 GHz |
| 3.90 GHz | Turbo Frequency (1 Core) | -- |
| 3.90 GHz | Turbo Frequency (All Cores) | -- |
Integrated graphics (iGPU)The 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 HD 8370D | GPU | no iGPU |
| 0.76 GHz | GPU frequency | -- |
| -- | GPU (Turbo) | -- |
| 5 | GPU Generation | -- |
| 32 nm | Technology | |
| 2 | Max. displays | |
| 2 | Compute units | -- |
| 128 | Shader | -- |
| No | Hardware Raytracing | No |
| No | Frame Generation | No |
| 2 GB | Max. GPU Memory | -- |
| 11.2 | 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 8370D | 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 A4-6300 supports a maximum of GB of memory in 2 memory channels. The AMD Phenom II X2 521 can connect up to GB of memory in 2 memory channels. |
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| AMD A4-6300 | Characteristic | AMD Phenom II X2 521 |
| DDR3-1866 | Memory | DDR3-1333, DDR2-1066 |
| Max. Memory | ||
| 2 (Dual Channel) | Memory channels | 2 (Dual Channel) |
| 29.9 GB/s | Max. Bandwidth | 21.3 GB/s |
| No | ECC | No |
| -- | L2 Cache | -- |
| 1.00 MB | L3 Cache | 2.00 MB |
| -- | PCIe version | -- |
| -- | PCIe lanes | -- |
| -- | PCIe Bandwidth | -- |
Thermal ManagementThe TDP (Thermal Design Power) of a processor specifies the required cooling solution. The AMD A4-6300 has a TDP of 65 W, that of the AMD Phenom II X2 521 is 65 W. |
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| AMD A4-6300 | Characteristic | AMD Phenom II X2 521 |
| 65 W | TDP (PL1 / PBP) | 65 W |
| -- | TDP (PL2) | -- |
| -- | TDP up | -- |
| -- | TDP down | -- |
| -- | Tjunction max. | -- |
Technical detailsThe AMD A4-6300 has a 1.00 MB cache, while the AMD Phenom II X2 521 cache has a total of 2.00 MB. |
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| AMD A4-6300 | Characteristic | AMD Phenom II X2 521 |
| 32 nm | Technology | 45 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 | SSE3, SSE4a |
| FM2 | Socket | AM3 |
| AMD-V | Virtualization | AMD-V |
| Yes | AES-NI | No |
| Windows 10, Linux | Operating systems | Windows 10, Linux |
| Q2/2013 | Release date | Q2/2011 |
| 45 $ | Release price | 35 $ |
| show more data | show more data | |
2C 2T @ 3.70 GHz (3.90 GHz) buy now on Amazon and save!
2C 2T @ 3.50 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 A4-6300
2C 2T @ 3.90 GHz |
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AMD Phenom II X2 521
2C 2T @ 3.50 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 A4-6300
2C 2T @ 3.90 GHz |
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AMD Phenom II X2 521
2C 2T @ 3.50 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 A4-6300
2C 2T @ 3.90 GHz |
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AMD Phenom II X2 521
2C 2T @ 3.50 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 A4-6300
AMD Radeon HD 8370D @ 0.76 GHz |
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AMD Phenom II X2 521
@ 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 A4-6300
2C 2T @ 3.70 GHz |
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AMD Phenom II X2 521
2C 2T @ 3.50 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 A4-6300
2C 2T @ 3.90 GHz |
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AMD Phenom II X2 521
2C 2T @ 3.50 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 A4-6300
2C 2T @ 3.90 GHz |
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AMD Phenom II X2 521
2C 2T @ 3.50 GHz |
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Devices using this processor |
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| AMD A4-6300 | AMD Phenom II X2 521 |
| Unknown | Unknown |
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