AMD Athlon II X3 445 vs AMD RX-421ND
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CPU comparison with benchmarks
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| AMD Athlon II X3 445 | AMD RX-421ND | |
CPU comparisonAMD Athlon II X3 445 or AMD RX-421ND - 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 445 has 3 cores with 3 threads and clocks with a maximum frequency of 3.10 GHz. Up to 16 GB of memory is supported in 2 memory channels. The AMD Athlon II X3 445 was released in Q2/2010. The AMD RX-421ND has 4 cores with 4 threads and clocks with a maximum frequency of 3.40 GHz. The CPU supports up to GB of memory in 2 memory channels. The AMD RX-421ND was released in Q4/2015. |
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| AMD Athlon II (52) | Family | AMD R (6) |
| AMD Athlon II X3 (Rana) (12) | CPU group | AMD RX 1st Gen. (6) |
| 1 | Generation | 1 |
| Rana | Architecture | Merlin Falcon (Excavator) |
| Desktop / Server | Segment | Mobile |
| -- | Predecessor | -- |
| -- | Successor | -- |
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CPU Cores and Base FrequencyThe AMD Athlon II X3 445 has 3 CPU cores and can calculate 3 threads in parallel. The clock frequency of the AMD Athlon II X3 445 is 3.10 GHz while the AMD RX-421ND has 4 CPU cores and 4 threads can calculate simultaneously. The clock frequency of the AMD RX-421ND is at 2.10 GHz (3.40 GHz). |
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| AMD Athlon II X3 445 | Characteristic | AMD RX-421ND |
| 3 | Cores | 4 |
| 3 | Threads | 4 |
| normal | Core architecture | normal |
| No | Hyperthreading | No |
| No | Overclocking ? | No |
| 3.10 GHz | Frequency | 2.10 GHz |
| -- | Turbo Frequency (1 Core) | 3.40 GHz |
| -- | Turbo Frequency (All Cores) | -- |
Memory & PCIeThe AMD Athlon II X3 445 can use up to 16 GB of memory in 2 memory channels. The maximum memory bandwidth is 21.3 GB/s. The AMD RX-421ND supports up to 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 445 | Characteristic | AMD RX-421ND |
| DDR3-1333 | Memory | DDR4-2400, DDR3-2133 |
| 16 GB | Max. Memory | |
| 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 | 2.00 MB |
| -- | L3 Cache | -- |
| 2.0 | PCIe version | 3.0 |
| -- | PCIe lanes | 12 |
| -- | PCIe Bandwidth | 11.8 GB/s |
Thermal ManagementThe thermal design power (TDP for short) of the AMD Athlon II X3 445 is 95 W, while the AMD RX-421ND has a TDP of 35 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently. |
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| AMD Athlon II X3 445 | Characteristic | AMD RX-421ND |
| 95 W | TDP (PL1 / PBP) | 35 W |
| -- | TDP (PL2) | -- |
| -- | TDP up | -- |
| -- | TDP down | 12 W |
| -- | Tjunction max. | 90 °C |
Technical detailsThe AMD Athlon II X3 445 is manufactured in 45 nm and has 1.50 MB cache. The AMD RX-421ND is manufactured in 28 nm and has a 2.00 MB cache. |
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| AMD Athlon II X3 445 | Characteristic | AMD RX-421ND |
| 45 nm | Technology | 28 nm |
| Unknown | Chip design | Unknown |
| x86-64 (64 bit) | Instruction set (ISA) | x86-64 (64 bit) |
| MMX, 3DNow!, SSE3, SSE4a | ISA extensions | SSE4a, SSE4.1, SSE4.2, AVX, FMA3, FMA4 |
| AM3 | Socket | FP4 |
| AMD-V | Virtualization | AMD-V, AMD-Vt |
| No | AES-NI | Yes |
| Windows 10, Linux | Operating systems | |
| Q2/2010 | Release date | Q4/2015 |
| -- | 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 X3 445
3C 3T @ 3.10 GHz |
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AMD RX-421ND
4C 4T @ 3.40 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 445
3C 3T @ 3.10 GHz |
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AMD RX-421ND
4C 4T @ 2.10 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 445
3C 3T @ 3.10 GHz |
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AMD RX-421ND
4C 4T @ 2.10 GHz |
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Devices using this processor |
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| AMD Athlon II X3 445 | AMD RX-421ND |
| Unknown | Unknown |
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