AMD Ryzen 7 5825C vs AMD Athlon II X4 651
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CPU comparison with benchmarks
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| AMD Ryzen 7 5825C | AMD Athlon II X4 651 | |
CPU comparisonAMD Ryzen 7 5825C or AMD Athlon II X4 651 - 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 Ryzen 7 5825C has 8 cores with 16 threads and clocks with a maximum frequency of 4.50 GHz. Up to 64 GB of memory is supported in 2 memory channels. The AMD Ryzen 7 5825C was released in Q3/2022. The AMD Athlon II X4 651 has 4 cores with 4 threads and clocks with a maximum frequency of 3.00 GHz. The CPU supports up to 16 GB of memory in 2 memory channels. The AMD Athlon II X4 651 was released in Q4/2011. |
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| AMD Ryzen 7 (70) | Family | AMD Athlon II (52) |
| AMD Ryzen 5000C (4) | CPU group | AMD Athlon II X4 (Llano) (5) |
| 4 | Generation | 2 |
| Barcelo (Zen 3) | Architecture | Llano |
| Mobile | Segment | Desktop / Server |
| AMD Ryzen 7 3700C | Predecessor | -- |
| -- | Successor | -- |
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CPU Cores and Base FrequencyThe AMD Ryzen 7 5825C is a 8 core processor with a clock frequency of 2.00 GHz (4.50 GHz). The AMD Athlon II X4 651 has 4 CPU cores with a clock frequency of 3.00 GHz. |
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| AMD Ryzen 7 5825C | Characteristic | AMD Athlon II X4 651 |
| 8 | Cores | 4 |
| 16 | Threads | 4 |
| normal | Core architecture | normal |
| Yes | Hyperthreading | No |
| No | Overclocking ? | No |
| 2.00 GHz | Frequency | 3.00 GHz |
| 4.50 GHz | Turbo Frequency (1 Core) | -- |
| 2.80 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 RX Vega 8 (Raven Ridge) | GPU | no iGPU |
| 1.80 GHz | GPU frequency | -- |
| -- | GPU (Turbo) | -- |
| 8 | GPU Generation | -- |
| 14 nm | Technology | |
| 3 | Max. displays | |
| 8 | Compute units | -- |
| 512 | Shader | -- |
| No | Hardware Raytracing | No |
| No | Frame Generation | No |
| 2 GB | Max. GPU Memory | -- |
| 12 | 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 RX Vega 8 (Raven Ridge) | GPU | no iGPU |
| Decode / Encode | Codec h265 / HEVC (8 bit) | No |
| Decode / Encode | Codec h265 / HEVC (10 bit) | No |
| Decode / Encode | Codec h264 | No |
| Decode / Encode | Codec VP9 | No |
| Decode / Encode | Codec VP8 | No |
| No | Codec AV1 | No |
| Decode / Encode | Codec AVC | No |
| Decode | Codec VC-1 | No |
| Decode / Encode | Codec JPEG | No |
Memory & PCIeThe AMD Ryzen 7 5825C supports a maximum of 64 GB of memory in 2 memory channels. The AMD Athlon II X4 651 can connect up to 16 GB of memory in 2 memory channels. |
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| AMD Ryzen 7 5825C | Characteristic | AMD Athlon II X4 651 |
| LPDDR4-4266, DDR4-3200 | Memory | DDR3-1333 |
| 64 GB | Max. Memory | 16 GB |
| 2 (Dual Channel) | Memory channels | 2 (Dual Channel) |
| 51.2 GB/s | Max. Bandwidth | 21.3 GB/s |
| Yes | ECC | No |
| 4.00 MB | L2 Cache | 4.00 MB |
| 16.00 MB | L3 Cache | -- |
| 3.0 | PCIe version | 2.0 |
| 20 | PCIe lanes | -- |
| 19.7 GB/s | PCIe Bandwidth | -- |
Thermal ManagementThe TDP (Thermal Design Power) of a processor specifies the required cooling solution. The AMD Ryzen 7 5825C has a TDP of 15 W, that of the AMD Athlon II X4 651 is 100 W. |
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| AMD Ryzen 7 5825C | Characteristic | AMD Athlon II X4 651 |
| 15 W | TDP (PL1 / PBP) | 100 W |
| -- | TDP (PL2) | -- |
| -- | TDP up | -- |
| -- | TDP down | -- |
| 95 °C | Tjunction max. | -- |
Technical detailsThe AMD Ryzen 7 5825C has a 20.00 MB cache, while the AMD Athlon II X4 651 cache has a total of 4.00 MB. |
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| AMD Ryzen 7 5825C | Characteristic | AMD Athlon II X4 651 |
| 7 nm | Technology | 32 nm |
| Chiplet | Chip design | Unknown |
| x86-64 (64 bit) | Instruction set (ISA) | x86-64 (64 bit) |
| SSE4a, SSE4.1, SSE4.2, AVX2, FMA3 | ISA extensions | MMX, 3DNow!, SSE3, SSE4a |
| FP6 | Socket | FM1 |
| AMD-V, SVM | Virtualization | AMD-V |
| Yes | AES-NI | No |
| Windows 10, Windows 11, Linux | Operating systems | Windows 10, Linux |
| Q3/2022 | Release date | Q4/2011 |
| -- | Release price | -- |
| show more data | show more data | |
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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 Ryzen 7 5825C
8C 16T @ 4.50 GHz |
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AMD Athlon II X4 651
4C 4T @ 3.00 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 Ryzen 7 5825C
8C 16T @ 2.80 GHz |
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AMD Athlon II X4 651
4C 4T @ 3.00 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 Ryzen 7 5825C
8C 16T @ 2.80 GHz |
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AMD Athlon II X4 651
4C 4T @ 3.00 GHz |
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Geekbench 6 (Single-Core)
Geekbench 6 is a benchmark for modern computers, notebooks and smartphones. What is new is an optimized utilization of newer CPU architectures, e.g. based on the big.LITTLE concept and combining CPU cores of different sizes. The single-core benchmark only evaluates the performance of the fastest CPU core, the number of CPU cores in a processor is irrelevant here.
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AMD Ryzen 7 5825C
8C 16T @ 4.50 GHz |
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AMD Athlon II X4 651
4C 4T @ 3.00 GHz |
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Geekbench 6 (Multi-Core)
Geekbench 6 is a benchmark for modern computers, notebooks and smartphones. What is new is an optimized utilization of newer CPU architectures, e.g. based on the big.LITTLE concept and combining CPU cores of different sizes. The multi-core benchmark evaluates the performance of all of the processor's CPU cores. Virtual thread improvements such as AMD SMT or Intel's Hyper-Threading have a positive impact on the benchmark result.
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AMD Ryzen 7 5825C
8C 16T @ 2.80 GHz |
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AMD Athlon II X4 651
4C 4T @ 3.00 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 Ryzen 7 5825C
AMD Radeon RX Vega 8 (Raven Ridge) @ 1.80 GHz |
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AMD Athlon II X4 651
@ 0.00 GHz |
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Devices using this processor |
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| AMD Ryzen 7 5825C | AMD Athlon II X4 651 |
| Unknown | Unknown |
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