AMD FX-4170 | AMD Athlon II X4 645 | |
CPU comparisonAMD FX-4170 or AMD Athlon II X4 645 - 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 FX-4170 has 4 cores with 4 threads and clocks with a maximum frequency of 4.40 GHz. Up to GB of memory is supported in 2 memory channels. The AMD FX-4170 was released in Q1/2012. The AMD Athlon II X4 645 has 4 cores with 4 threads and clocks with a maximum frequency of 3.10 GHz. The CPU supports up to 16 GB of memory in 2 memory channels. The AMD Athlon II X4 645 was released in Q3/2010. |
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AMD FX (30) | Family | AMD Athlon II (52) |
AMD FX-4100/4200 (5) | CPU group | AMD Athlon II X4 (Propus) (10) |
1 | Generation | 1 |
Zambezi (Bulldozer) | Architecture | Propus |
Desktop / Server | Segment | Desktop / Server |
-- | Predecessor | -- |
-- | Successor | -- |
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CPU Cores and Base FrequencyThe AMD FX-4170 has 4 CPU cores and can calculate 4 threads in parallel. The clock frequency of the AMD FX-4170 is 4.20 GHz (4.40 GHz) while the AMD Athlon II X4 645 has 4 CPU cores and 4 threads can calculate simultaneously. The clock frequency of the AMD Athlon II X4 645 is at 3.10 GHz. |
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AMD FX-4170 | Characteristic | AMD Athlon II X4 645 |
4 | Cores | 4 |
4 | Threads | 4 |
normal | Core architecture | normal |
No | Hyperthreading | No |
Yes | Overclocking ? | No |
4.20 GHz | Frequency | 3.10 GHz |
4.40 GHz | Turbo Frequency (1 Core) | -- |
4.40 GHz | Turbo Frequency (All Cores) | -- |
Memory & PCIeThe AMD FX-4170 can use up to GB of memory in 2 memory channels. The maximum memory bandwidth is 29.9 GB/s. The AMD Athlon II X4 645 supports up to 16 GB of memory in 2 memory channels and achieves a memory bandwidth of up to 21.3 GB/s. |
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AMD FX-4170 | Characteristic | AMD Athlon II X4 645 |
DDR3-1866 | Memory | DDR3-1333 |
Max. Memory | 16 GB | |
2 (Dual Channel) | Memory channels | 2 (Dual Channel) |
29.9 GB/s | Max. Bandwidth | 21.3 GB/s |
Yes | ECC | No |
-- | L2 Cache | 2.00 MB |
8.00 MB | L3 Cache | -- |
-- | PCIe version | 2.0 |
-- | PCIe lanes | -- |
-- | PCIe Bandwidth | -- |
Thermal ManagementThe thermal design power (TDP for short) of the AMD FX-4170 is 125 W, while the AMD Athlon II X4 645 has a TDP of 95 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently. |
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AMD FX-4170 | Characteristic | AMD Athlon II X4 645 |
125 W | TDP (PL1 / PBP) | 95 W |
-- | TDP (PL2) | -- |
-- | TDP up | -- |
-- | TDP down | -- |
-- | Tjunction max. | -- |
Technical detailsThe AMD FX-4170 is manufactured in 32 nm and has 8.00 MB cache. The AMD Athlon II X4 645 is manufactured in 45 nm and has a 2.00 MB cache. |
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AMD FX-4170 | Characteristic | AMD Athlon II X4 645 |
32 nm | Technology | 45 nm |
Unknown | Chip design | Unknown |
x86-64 (64 bit) | Instruction set (ISA) | x86-64 (64 bit) |
SSE4.1, SSE4.2, AVX | ISA extensions | MMX, 3DNow!, SSE3, SSE4a |
AM3+ | Socket | AM3 |
AMD-V | Virtualization | AMD-V |
Yes | AES-NI | No |
Windows 10, Linux | Operating systems | Windows 10, Linux |
Q1/2012 | Release date | Q3/2010 |
120 $ | Release price | -- |
show more data | show more data | |
AMD FX-4170
4C 4T @ 4.40 GHz |
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AMD Athlon II X4 645
4C 4T @ 3.10 GHz |
AMD FX-4170
4C 4T @ 4.40 GHz |
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AMD Athlon II X4 645
4C 4T @ 3.10 GHz |
AMD FX-4170
4C 4T @ 4.40 GHz |
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AMD Athlon II X4 645
4C 4T @ 3.10 GHz |
AMD FX-4170
4C 4T @ 4.40 GHz |
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AMD Athlon II X4 645
4C 4T @ 3.10 GHz |
AMD FX-4170
4C 4T @ 4.40 GHz |
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AMD Athlon II X4 645
4C 4T @ 3.10 GHz |
AMD FX-4170
4C 4T @ 4.40 GHz |
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AMD Athlon II X4 645
4C 4T @ 3.10 GHz |
AMD FX-4170
4C 4T @ 4.40 GHz |
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AMD Athlon II X4 645
4C 4T @ 3.10 GHz |
AMD FX-4170
4C 4T @ 4.20 GHz |
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AMD Athlon II X4 645
4C 4T @ 3.10 GHz |
Devices using this processor |
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AMD FX-4170 | AMD Athlon II X4 645 |
Unknown | Unknown |