AMD Athlon II X3 405e vs Intel Atom C3955
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CPU comparison with benchmarks
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| AMD Athlon II X3 405e | Intel Atom C3955 | |
CPU comparisonAMD Athlon II X3 405e or Intel Atom C3955 - 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 X3 405e has 3 cores with 3 threads and clocks with a maximum frequency of 2.30 GHz. Up to 16 GB of memory is supported in 2 memory channels. The AMD Athlon II X3 405e was released in Q3/2009. The Intel Atom C3955 has 16 cores with 16 threads and clocks with a maximum frequency of 2.40 GHz. The CPU supports up to 256 GB of memory in 2 memory channels. The Intel Atom C3955 was released in Q3/2017. |
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| AMD Athlon II (52) | Family | Intel Atom (108) |
| AMD Athlon II X3 (Rana) (12) | CPU group | Intel Atom C3000 (20) |
| 1 | Generation | 5 |
| Rana | Architecture | Denverton |
| Desktop / Server | Segment | Desktop / Server |
| -- | Predecessor | -- |
| -- | Successor | -- |
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CPU Cores and Base FrequencyThe AMD Athlon II X3 405e has 3 CPU cores and can calculate 3 threads in parallel. The clock frequency of the AMD Athlon II X3 405e is 2.30 GHz while the Intel Atom C3955 has 16 CPU cores and 16 threads can calculate simultaneously. The clock frequency of the Intel Atom C3955 is at 2.10 GHz (2.40 GHz). |
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| AMD Athlon II X3 405e | Characteristic | Intel Atom C3955 |
| 3 | Cores | 16 |
| 3 | Threads | 16 |
| normal | Core architecture | normal |
| No | Hyperthreading | No |
| No | Overclocking ? | No |
| 2.30 GHz | Frequency | 2.10 GHz |
| -- | Turbo Frequency (1 Core) | 2.40 GHz |
| -- | Turbo Frequency (All Cores) | 2.40 GHz |
Memory & PCIeThe AMD Athlon II X3 405e can use up to 16 GB of memory in 2 memory channels. The maximum memory bandwidth is 21.3 GB/s. The Intel Atom C3955 supports up to 256 GB of memory in 2 memory channels and achieves a memory bandwidth of up to 38.4 GB/s. |
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| AMD Athlon II X3 405e | Characteristic | Intel Atom C3955 |
| DDR3-1333 | Memory | DDR4-2400 |
| 16 GB | Max. Memory | 256 GB |
| 2 (Dual Channel) | Memory channels | 2 (Dual Channel) |
| 21.3 GB/s | Max. Bandwidth | 38.4 GB/s |
| No | ECC | Yes |
| 1.50 MB | L2 Cache | 16.00 MB |
| -- | L3 Cache | -- |
| 2.0 | PCIe version | 3.0 |
| -- | PCIe lanes | 16 |
| -- | PCIe Bandwidth | 15.8 GB/s |
Thermal ManagementThe thermal design power (TDP for short) of the AMD Athlon II X3 405e is 45 W, while the Intel Atom C3955 has a TDP of 32 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently. |
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| AMD Athlon II X3 405e | Characteristic | Intel Atom C3955 |
| 45 W | TDP (PL1 / PBP) | 32 W |
| -- | TDP (PL2) | -- |
| -- | TDP up | -- |
| -- | TDP down | -- |
| -- | Tjunction max. | 100 °C |
Technical detailsThe AMD Athlon II X3 405e is manufactured in 45 nm and has 1.50 MB cache. The Intel Atom C3955 is manufactured in 14 nm and has a 16.00 MB cache. |
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| AMD Athlon II X3 405e | Characteristic | Intel Atom C3955 |
| 45 nm | Technology | 14 nm |
| Unknown | Chip design | Monolithic |
| x86-64 (64 bit) | Instruction set (ISA) | x86-64 (64 bit) |
| MMX, 3DNow!, SSE3, SSE4a | ISA extensions | SSE4.1, SSE4.2 |
| AM3 | Socket | BGA 1310 |
| AMD-V | Virtualization | VT-x, VT-x EPT, VT-d |
| No | AES-NI | Yes |
| Windows 10, Linux | Operating systems | Windows 10, Linux |
| Q3/2009 | Release date | Q3/2017 |
| -- | Release price | 434 $ |
| show more data | show more data | |
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16C 16T @ 2.10 GHz (2.40 GHz) buy now on Amazon and save!
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Rate these processors
Average performance in benchmarks
⌀ Single core performance in 1 CPU benchmarks
⌀ Multi core performance in 1 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 X3 405e
3C 3T @ 2.30 GHz |
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Intel Atom C3955
16C 16T @ 2.40 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 X3 405e
3C 3T @ 2.30 GHz |
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Intel Atom C3955
16C 16T @ 2.40 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 X3 405e
3C 3T @ 2.30 GHz |
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Intel Atom C3955
16C 16T @ 2.40 GHz |
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Devices using this processor |
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| AMD Athlon II X3 405e | Intel Atom C3955 |
| Unknown | Unknown |
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