AMD Phenom II X2 B55 vs AMD Athlon II X3 445
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CPU comparison with benchmarks
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| AMD Phenom II X2 B55 | AMD Athlon II X3 445 | |
CPU comparisonIn this CPU comparison, we compare the AMD Phenom II X2 B55 and the AMD Athlon II X3 445 and use benchmarks to check which processor is faster.
We compare the AMD Phenom II X2 B55 2 core processor released in Q4/2009 with the AMD Athlon II X3 445 which has 3 CPU cores and was introduced in Q2/2010. |
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| AMD Phenom II (52) | Family | AMD Athlon II (52) |
| AMD Phenom II - 545 (9) | CPU group | AMD Athlon II X3 (Rana) (12) |
| 2 | Generation | 1 |
| Callisto (K10) | Architecture | Rana |
| Desktop / Server | Segment | Desktop / Server |
| -- | Predecessor | -- |
| -- | Successor | -- |
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CPU Cores and Base FrequencyThe AMD Phenom II X2 B55 is a 2 core processor with a clock frequency of 3.00 GHz. The processor can compute 2 threads at the same time. The AMD Athlon II X3 445 clocks with 3.10 GHz, has 3 CPU cores and can calculate 3 threads in parallel. |
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| AMD Phenom II X2 B55 | Characteristic | AMD Athlon II X3 445 |
| 2 | Cores | 3 |
| 2 | Threads | 3 |
| normal | Core architecture | normal |
| No | Hyperthreading | No |
| Yes | Overclocking ? | No |
| 3.00 GHz | Frequency | 3.10 GHz |
| -- | Turbo Frequency (1 Core) | -- |
| -- | Turbo Frequency (All Cores) | -- |
Memory & PCIeUp to GB of memory in a maximum of 2 memory channels is supported by the AMD Phenom II X2 B55, while the AMD Athlon II X3 445 supports a maximum of 16 GB of memory with a maximum memory bandwidth of 21.3 GB/s enabled. |
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| AMD Phenom II X2 B55 | Characteristic | AMD Athlon II X3 445 |
| DDR3-1333, DDR2-1066 | Memory | DDR3-1333 |
| 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 |
| -- | L2 Cache | 1.50 MB |
| 6.00 MB | L3 Cache | -- |
| -- | PCIe version | 2.0 |
| -- | PCIe lanes | -- |
| -- | PCIe Bandwidth | -- |
Thermal ManagementThe AMD Phenom II X2 B55 has a TDP of 80 W. The TDP of the AMD Athlon II X3 445 is 95 W. System integrators use the TDP of the processor as a guide when dimensioning the cooling solution. |
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| AMD Phenom II X2 B55 | Characteristic | AMD Athlon II X3 445 |
| 80 W | TDP (PL1 / PBP) | 95 W |
| -- | TDP (PL2) | -- |
| -- | TDP up | -- |
| -- | TDP down | -- |
| -- | Tjunction max. | -- |
Technical detailsThe AMD Phenom II X2 B55 has 6.00 MB cache and is manufactured in 45 nm. The cache of AMD Athlon II X3 445 is at 1.50 MB. The processor is manufactured in 45 nm. |
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| AMD Phenom II X2 B55 | Characteristic | AMD Athlon II X3 445 |
| 45 nm | Technology | 45 nm |
| Unknown | Chip design | Unknown |
| x86-64 (64 bit) | Instruction set (ISA) | x86-64 (64 bit) |
| SSE3, SSE4a | ISA extensions | MMX, 3DNow!, SSE3, SSE4a |
| AM3 | Socket | AM3 |
| AMD-V | Virtualization | AMD-V |
| No | AES-NI | No |
| Windows 10, Linux | Operating systems | Windows 10, Linux |
| Q4/2009 | Release date | Q2/2010 |
| -- | Release price | -- |
| show more data | show more data | |
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3C 3T @ 3.10 GHz buy now on Amazon and save!
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Average performance in benchmarks
⌀ Single core performance in 0 CPU benchmarks
⌀ Multi core performance in 1 CPU benchmarks
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 Phenom II X2 B55
2C 2T @ 3.00 GHz |
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AMD Athlon II X3 445
3C 3T @ 3.10 GHz |
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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 Phenom II X2 B55
2C 2T @ 3.00 GHz |
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AMD Athlon II X3 445
3C 3T @ 3.10 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 Phenom II X2 B55
2C 2T @ 3.00 GHz |
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AMD Athlon II X3 445
3C 3T @ 3.10 GHz |
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Cinebench R15 (Single-Core)
Cinebench R15 is the successor of Cinebench 11.5 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.
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AMD Phenom II X2 B55
2C 2T @ 3.00 GHz |
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AMD Athlon II X3 445
3C 3T @ 3.10 GHz |
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Cinebench R15 (Multi-Core)
Cinebench R15 is the successor of Cinebench 11.5 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
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AMD Phenom II X2 B55
2C 2T @ 3.00 GHz |
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AMD Athlon II X3 445
3C 3T @ 3.10 GHz |
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Devices using this processor |
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| AMD Phenom II X2 B55 | AMD Athlon II X3 445 |
| Unknown | Unknown |
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