AMD Athlon II X4 651K vs AMD Athlon II X4 641
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CPU comparison with benchmarks
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| AMD Athlon II X4 651K | AMD Athlon II X4 641 | |
CPU comparisonIn this CPU comparison, we compare the AMD Athlon II X4 651K and the AMD Athlon II X4 641 and use benchmarks to check which processor is faster.
We compare the AMD Athlon II X4 651K 4 core processor released in Q4/2011 with the AMD Athlon II X4 641 which has 4 CPU cores and was introduced in Q1/2012. |
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| AMD Athlon II (52) | Family | AMD Athlon II (52) |
| AMD Athlon II X4 (Llano) (5) | CPU group | AMD Athlon II X4 (Llano) (5) |
| 2 | Generation | 2 |
| Llano | Architecture | Llano |
| Desktop / Server | Segment | Desktop / Server |
| -- | Predecessor | -- |
| -- | Successor | -- |
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CPU Cores and Base FrequencyThe AMD Athlon II X4 651K is a 4 core processor with a clock frequency of 3.00 GHz. The processor can compute 4 threads at the same time. The AMD Athlon II X4 641 clocks with 2.80 GHz, has 4 CPU cores and can calculate 4 threads in parallel. |
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| AMD Athlon II X4 651K | Characteristic | AMD Athlon II X4 641 |
| 4 | Cores | 4 |
| 4 | Threads | 4 |
| normal | Core architecture | normal |
| No | Hyperthreading | No |
| Yes | Overclocking ? | No |
| 3.00 GHz | Frequency | 2.80 GHz |
| -- | Turbo Frequency (1 Core) | -- |
| -- | Turbo Frequency (All Cores) | -- |
Memory & PCIeUp to 16 GB of memory in a maximum of 2 memory channels is supported by the AMD Athlon II X4 651K, while the AMD Athlon II X4 641 supports a maximum of 16 GB of memory with a maximum memory bandwidth of 21.3 GB/s enabled. |
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| AMD Athlon II X4 651K | Characteristic | AMD Athlon II X4 641 |
| DDR3-1333 | Memory | DDR3-1333 |
| 16 GB | Max. Memory | 16 GB |
| 2 (Dual Channel) | Memory channels | 2 (Dual Channel) |
| 21.3 GB/s | Max. Bandwidth | 21.3 GB/s |
| No | ECC | No |
| 4.00 MB | L2 Cache | 4.00 MB |
| -- | L3 Cache | -- |
| 2.0 | PCIe version | 2.0 |
| -- | PCIe lanes | -- |
| -- | PCIe Bandwidth | -- |
Thermal ManagementThe AMD Athlon II X4 651K has a TDP of 100 W. The TDP of the AMD Athlon II X4 641 is 100 W. System integrators use the TDP of the processor as a guide when dimensioning the cooling solution. |
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| AMD Athlon II X4 651K | Characteristic | AMD Athlon II X4 641 |
| 100 W | TDP (PL1 / PBP) | 100 W |
| -- | TDP (PL2) | -- |
| -- | TDP up | -- |
| -- | TDP down | -- |
| -- | Tjunction max. | -- |
Technical detailsThe AMD Athlon II X4 651K has 4.00 MB cache and is manufactured in 32 nm. The cache of AMD Athlon II X4 641 is at 4.00 MB. The processor is manufactured in 32 nm. |
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| AMD Athlon II X4 651K | Characteristic | AMD Athlon II X4 641 |
| 32 nm | Technology | 32 nm |
| Unknown | Chip design | Unknown |
| x86-64 (64 bit) | Instruction set (ISA) | x86-64 (64 bit) |
| MMX, 3DNow!, SSE3, SSE4a | ISA extensions | MMX, 3DNow!, SSE3, SSE4a |
| FM1 | Socket | FM1 |
| AMD-V | Virtualization | AMD-V |
| No | AES-NI | No |
| Windows 10, Linux | Operating systems | Windows 10, Linux |
| Q4/2011 | Release date | Q1/2012 |
| -- | 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 Athlon II X4 651K
4C 4T @ 3.00 GHz |
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AMD Athlon II X4 641
4C 4T @ 2.80 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 651K
4C 4T @ 3.00 GHz |
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AMD Athlon II X4 641
4C 4T @ 2.80 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 651K
4C 4T @ 3.00 GHz |
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AMD Athlon II X4 641
4C 4T @ 2.80 GHz |
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Devices using this processor |
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| AMD Athlon II X4 651K | AMD Athlon II X4 641 |
| Unknown | Unknown |
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