AMD Athlon II X4 631 vs Intel Atom Z2520
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CPU comparison with benchmarks
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| AMD Athlon II X4 631 | Intel Atom Z2520 | |
CPU comparisonAMD Athlon II X4 631 or Intel Atom Z2520 - 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 631 has 4 cores with 4 threads and clocks with a maximum frequency of 2.60 GHz. Up to 16 GB of memory is supported in 2 memory channels. The AMD Athlon II X4 631 was released in Q3/2011. The Intel Atom Z2520 has 2 cores with 4 threads and clocks with a maximum frequency of 1.20 GHz. The CPU supports up to 2 GB of memory in 2 memory channels. The Intel Atom Z2520 was released in Q2/2013. |
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| AMD Athlon II (52) | Family | Intel Atom (108) |
| AMD Athlon II X4 (Llano) (5) | CPU group | Intel Atom Z2500/Z2700 (3) |
| 2 | Generation | 2 |
| Llano | Architecture | Cloverview |
| Desktop / Server | Segment | Mobile |
| -- | Predecessor | -- |
| -- | Successor | -- |
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CPU Cores and Base FrequencyThe AMD Athlon II X4 631 is a 4 core processor with a clock frequency of 2.60 GHz. The Intel Atom Z2520 has 2 CPU cores with a clock frequency of 1.20 GHz. |
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| AMD Athlon II X4 631 | Characteristic | Intel Atom Z2520 |
| 4 | Cores | 2 |
| 4 | Threads | 4 |
| normal | Core architecture | normal |
| No | Hyperthreading | Yes |
| No | Overclocking ? | No |
| 2.60 GHz | Frequency | 1.20 GHz |
| -- | Turbo Frequency (1 Core) | -- |
| -- | 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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| no iGPU | GPU | PowerVR SGX544 MP2 |
| GPU frequency | 0.30 GHz | |
| -- | GPU (Turbo) | -- |
| -- | GPU Generation | -- |
| Technology | 45nm | |
| Max. displays | 2 | |
| -- | Compute units | 4 |
| -- | Shader | 8 |
| No | Hardware Raytracing | No |
| No | Frame Generation | No |
| -- | Max. GPU Memory | -- |
| -- | DirectX Version | 10.1 |
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 | PowerVR SGX544 MP2 |
| No | Codec h265 / HEVC (8 bit) | No |
| No | Codec h265 / HEVC (10 bit) | No |
| No | Codec h264 | Decode / Encode |
| No | Codec VP9 | No |
| No | Codec VP8 | Decode |
| No | Codec AV1 | No |
| No | Codec AVC | No |
| No | Codec VC-1 | No |
| No | Codec JPEG | No |
Memory & PCIeThe AMD Athlon II X4 631 supports a maximum of 16 GB of memory in 2 memory channels. The Intel Atom Z2520 can connect up to 2 GB of memory in 2 memory channels. |
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| AMD Athlon II X4 631 | Characteristic | Intel Atom Z2520 |
| DDR3-1333 | Memory | LPDDR2-1066 |
| 16 GB | Max. Memory | 2 GB |
| 2 (Dual Channel) | Memory channels | 2 (Dual Channel) |
| 21.3 GB/s | Max. Bandwidth | 8.5 GB/s |
| No | ECC | No |
| 4.00 MB | L2 Cache | 1.00 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 631 has a TDP of 100 W, that of the Intel Atom Z2520 is --. |
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| AMD Athlon II X4 631 | Characteristic | Intel Atom Z2520 |
| 100 W | TDP (PL1 / PBP) | -- |
| -- | TDP (PL2) | -- |
| -- | TDP up | -- |
| -- | TDP down | -- |
| -- | Tjunction max. | 90 °C |
Technical detailsThe AMD Athlon II X4 631 has a 4.00 MB cache, while the Intel Atom Z2520 cache has a total of 1.00 MB. |
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| AMD Athlon II X4 631 | Characteristic | Intel Atom Z2520 |
| 32 nm | Technology | 32 nm |
| Unknown | Chip design | Monolithic |
| x86-64 (64 bit) | Instruction set (ISA) | x86-64 (64 bit) |
| MMX, 3DNow!, SSE3, SSE4a | ISA extensions | MMX, SSE3, SSSE3 |
| FM1 | Socket | BGA |
| AMD-V | Virtualization | None |
| No | AES-NI | No |
| Windows 10, Linux | Operating systems | |
| Q3/2011 | Release date | Q2/2013 |
| -- | 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 631
4C 4T @ 2.60 GHz |
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Intel Atom Z2520
2C 4T @ 1.20 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 Athlon II X4 631
4C 4T @ 2.60 GHz |
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Intel Atom Z2520
2C 4T @ 1.20 GHz |
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Devices using this processor |
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| AMD Athlon II X4 631 | Intel Atom Z2520 |
| Unknown | Unknown |
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