AMD Athlon II X4 638 vs AMD A4-6250
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CPU comparison with benchmarks
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| AMD Athlon II X4 638 | AMD A4-6250 | |
CPU comparisonAMD Athlon II X4 638 or AMD A4-6250 - 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 Athlon II X4 638 has 4 cores with 4 threads and clocks with a maximum frequency of 2.70 GHz. Up to 16 GB of memory is supported in 2 memory channels. The AMD Athlon II X4 638 was released in Q1/2012. The AMD A4-6250 has 4 cores with 4 threads and clocks with a maximum frequency of 2.00 GHz. The CPU supports up to GB of memory in 2 memory channels. The AMD A4-6250 was released in . |
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| AMD Athlon II (52) | Family | AMD A (112) |
| AMD Athlon II X4 (Llano) (5) | CPU group | Unknown M (4) |
| 2 | Generation | 0 |
| Llano | Architecture | Unknown |
| Desktop / Server | Segment | Mobile |
| -- | Predecessor | -- |
| -- | Successor | -- |
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CPU Cores and Base FrequencyThe AMD Athlon II X4 638 is a 4 core processor with a clock frequency of 2.70 GHz. The AMD A4-6250 has 4 CPU cores with a clock frequency of 2.00 GHz. |
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| AMD Athlon II X4 638 | Characteristic | AMD A4-6250 |
| 4 | Cores | 4 |
| 4 | Threads | 4 |
| normal | Core architecture | normal |
| No | Hyperthreading | No |
| No | Overclocking ? | No |
| 2.70 GHz | Frequency | 2.00 GHz |
| -- | Turbo Frequency (1 Core) | -- |
| -- | Turbo Frequency (All Cores) | -- |
Internal GraphicsThe 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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| no iGPU | GPU | Unknown |
| GPU frequency | -- | |
| -- | GPU (Turbo) | -- |
| -- | GPU Generation | -- |
| Technology | ||
| Max. displays | 0 | |
| -- | Compute units | -- |
| -- | Shader | -- |
| No | Hardware Raytracing | No |
| No | Frame Generation | No |
| -- | Max. GPU Memory | -- |
| -- | 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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| no iGPU | GPU | Unknown |
| No | Codec h265 / HEVC (8 bit) | No |
| No | Codec h265 / HEVC (10 bit) | No |
| No | Codec h264 | No |
| No | Codec VP9 | No |
| No | Codec VP8 | No |
| No | Codec AV1 | No |
| No | Codec AVC | No |
| No | Codec VC-1 | No |
| No | Codec JPEG | No |
Memory & PCIeThe AMD Athlon II X4 638 supports a maximum of 16 GB of memory in 2 memory channels. The AMD A4-6250 can connect up to GB of memory in 2 memory channels. |
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| AMD Athlon II X4 638 | Characteristic | AMD A4-6250 |
| DDR3-1333 | Memory | DDR3-1600 |
| 16 GB | Max. Memory | |
| 2 (Dual Channel) | Memory channels | 2 (Dual Channel) |
| 21.3 GB/s | Max. Bandwidth | 25.6 GB/s |
| No | ECC | No |
| 4.00 MB | L2 Cache | 2.00 MB |
| -- | L3 Cache | -- |
| 2.0 | PCIe version | -- |
| -- | PCIe lanes | -- |
| -- | PCIe Bandwidth | -- |
Thermal ManagementThe TDP (Thermal Design Power) of a processor specifies the required cooling solution. The AMD Athlon II X4 638 has a TDP of 65 W, that of the AMD A4-6250 is 25 W. |
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| AMD Athlon II X4 638 | Characteristic | AMD A4-6250 |
| 65 W | TDP (PL1 / PBP) | 25 W |
| -- | TDP (PL2) | -- |
| -- | TDP up | -- |
| -- | TDP down | -- |
| -- | Tjunction max. | -- |
Technical detailsThe AMD Athlon II X4 638 has a 4.00 MB cache, while the AMD A4-6250 cache has a total of 2.00 MB. |
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| AMD Athlon II X4 638 | Characteristic | AMD A4-6250 |
| 32 nm | Technology | |
| Unknown | Chip design | Unknown |
| x86-64 (64 bit) | Instruction set (ISA) | x86-64 (64 bit) |
| MMX, 3DNow!, SSE3, SSE4a | ISA extensions | Unknown |
| FM1 | Socket | BGA 769 |
| AMD-V | Virtualization | Unknown |
| No | AES-NI | No |
| Windows 10, Linux | Operating systems | |
| Q1/2012 | Release date | |
| -- | Release price | -- |
| show more data | show more data | |
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Rate these processors
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 Athlon II X4 638
4C 4T @ 2.70 GHz |
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AMD A4-6250
4C 4T @ 2.00 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 Athlon II X4 638
4C 4T @ 2.70 GHz |
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AMD A4-6250
4C 4T @ 2.00 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 Athlon II X4 638
4C 4T @ 2.70 GHz |
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AMD A4-6250
4C 4T @ 2.00 GHz |
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Devices using this processor |
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| AMD Athlon II X4 638 | AMD A4-6250 |
| Unknown | Unknown |
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