AMD Athlon II X4 645 | AMD Athlon II X4 860K | |
CPU comparisonAMD Athlon II X4 645 or AMD Athlon II X4 860K - 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 X4 645 has 4 cores with 4 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 X4 645 was released in Q3/2010. The AMD Athlon II X4 860K has 4 cores with 4 threads and clocks with a maximum frequency of 4.00 GHz. The CPU supports up to 32 GB of memory in 2 memory channels. The AMD Athlon II X4 860K was released in Q4/2014. |
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AMD Athlon II (52) | Family | AMD Athlon II (52) |
AMD Athlon II X4 (Propus) (10) | CPU group | AMD Athlon II X4 (Kaveri) (1) |
1 | Generation | 5 |
Propus | Architecture | Kaveri |
Desktop / Server | Segment | Desktop / Server |
-- | Predecessor | -- |
-- | Successor | -- |
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CPU Cores and Base FrequencyThe AMD Athlon II X4 645 is a 4 core processor with a clock frequency of 3.10 GHz. The AMD Athlon II X4 860K has 4 CPU cores with a clock frequency of 3.70 GHz (4.00 GHz). |
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AMD Athlon II X4 645 | Characteristic | AMD Athlon II X4 860K |
4 | Cores | 4 |
4 | Threads | 4 |
normal | Core architecture | normal |
No | Hyperthreading | No |
No | Overclocking ? | Yes |
3.10 GHz | Frequency | 3.70 GHz |
-- | Turbo Frequency (1 Core) | 4.00 GHz |
-- | Turbo Frequency (All Cores) | 4.00 GHz |
Memory & PCIeThe AMD Athlon II X4 645 supports a maximum of 16 GB of memory in 2 memory channels. The AMD Athlon II X4 860K can connect up to 32 GB of memory in 2 memory channels. |
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AMD Athlon II X4 645 | Characteristic | AMD Athlon II X4 860K |
DDR3-1333 | Memory | DDR3-2133 |
16 GB | Max. Memory | 32 GB |
2 (Dual Channel) | Memory channels | 2 (Dual Channel) |
21.3 GB/s | Max. Bandwidth | 34.1 GB/s |
No | ECC | Yes |
2.00 MB | L2 Cache | 4.00 MB |
-- | L3 Cache | -- |
2.0 | PCIe version | 3.0 |
-- | PCIe lanes | 16 |
-- | PCIe Bandwidth | 15.8 GB/s |
Thermal ManagementThe TDP (Thermal Design Power) of a processor specifies the required cooling solution. The AMD Athlon II X4 645 has a TDP of 95 W, that of the AMD Athlon II X4 860K is 95 W. |
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AMD Athlon II X4 645 | Characteristic | AMD Athlon II X4 860K |
95 W | TDP (PL1 / PBP) | 95 W |
-- | TDP (PL2) | -- |
-- | TDP up | -- |
-- | TDP down | -- |
-- | Tjunction max. | -- |
Technical detailsThe AMD Athlon II X4 645 has a 2.00 MB cache, while the AMD Athlon II X4 860K cache has a total of 4.00 MB. |
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AMD Athlon II X4 645 | Characteristic | AMD Athlon II X4 860K |
45 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 |
AM3 | Socket | FM2+ |
AMD-V | Virtualization | AMD-V |
No | AES-NI | No |
Windows 10, Linux | Operating systems | Windows 10, Linux |
Q3/2010 | Release date | Q4/2014 |
-- | Release price | 70 $ |
show more data | show more data | |
AMD Athlon II X4 645
4C 4T @ 3.10 GHz |
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AMD Athlon II X4 860K
4C 4T @ 4.00 GHz |
AMD Athlon II X4 645
4C 4T @ 3.10 GHz |
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AMD Athlon II X4 860K
4C 4T @ 4.00 GHz |
AMD Athlon II X4 645
4C 4T @ 3.10 GHz |
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AMD Athlon II X4 860K
4C 4T @ 4.00 GHz |
AMD Athlon II X4 645
4C 4T @ 3.10 GHz |
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AMD Athlon II X4 860K
4C 4T @ 4.00 GHz |
AMD Athlon II X4 645
4C 4T @ 3.10 GHz |
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AMD Athlon II X4 860K
4C 4T @ 4.00 GHz |
AMD Athlon II X4 645
4C 4T @ 3.10 GHz |
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AMD Athlon II X4 860K
4C 4T @ 4.00 GHz |
AMD Athlon II X4 645
4C 4T @ 3.10 GHz |
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AMD Athlon II X4 860K
4C 4T @ 3.70 GHz |
AMD Athlon II X4 645
4C 4T @ 3.10 GHz |
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AMD Athlon II X4 860K
4C 4T @ 4.00 GHz |
AMD Athlon II X4 645
4C 4T @ 3.10 GHz |
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AMD Athlon II X4 860K
4C 4T @ 4.00 GHz |
AMD Athlon II X4 645
4C 4T @ 3.10 GHz |
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AMD Athlon II X4 860K
4C 4T @ 4.00 GHz |
Devices using this processor |
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AMD Athlon II X4 645 | AMD Athlon II X4 860K |
Unknown | Unknown |