AMD Athlon II X4 645 | Intel Atom C3858 | |
CPU comparisonAMD Athlon II X4 645 or Intel Atom C3858 - 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 Intel Atom C3858 has 12 cores with 12 threads and clocks with a maximum frequency of 2.00 GHz. The CPU supports up to 256 GB of memory in 2 memory channels. The Intel Atom C3858 was released in Q3/2017. |
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AMD Athlon II (52) | Family | Intel Atom (108) |
AMD Athlon II X4 (Propus) (10) | CPU group | Intel Atom C3000 (20) |
1 | Generation | 5 |
Propus | Architecture | Denverton |
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 Intel Atom C3858 has 12 CPU cores with a clock frequency of 2.00 GHz. |
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AMD Athlon II X4 645 | Characteristic | Intel Atom C3858 |
4 | Cores | 12 |
4 | Threads | 12 |
normal | Core architecture | normal |
No | Hyperthreading | No |
No | Overclocking ? | No |
3.10 GHz | Frequency | 2.00 GHz |
-- | Turbo Frequency (1 Core) | -- |
-- | Turbo Frequency (All Cores) | -- |
Memory & PCIeThe AMD Athlon II X4 645 supports a maximum of 16 GB of memory in 2 memory channels. The Intel Atom C3858 can connect up to 256 GB of memory in 2 memory channels. |
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AMD Athlon II X4 645 | Characteristic | Intel Atom C3858 |
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 |
2.00 MB | L2 Cache | 12.00 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 Intel Atom C3858 is 25 W. |
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AMD Athlon II X4 645 | Characteristic | Intel Atom C3858 |
95 W | TDP (PL1 / PBP) | 25 W |
-- | TDP (PL2) | -- |
-- | TDP up | -- |
-- | TDP down | -- |
-- | Tjunction max. | 100 °C |
Technical detailsThe AMD Athlon II X4 645 has a 2.00 MB cache, while the Intel Atom C3858 cache has a total of 12.00 MB. |
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AMD Athlon II X4 645 | Characteristic | Intel Atom C3858 |
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 |
Q3/2010 | Release date | Q3/2017 |
-- | Release price | 332 $ |
show more data | show more data | |
AMD Athlon II X4 645
4C 4T @ 3.10 GHz |
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Intel Atom C3858
12C 12T @ 2.00 GHz |
AMD Athlon II X4 645
4C 4T @ 3.10 GHz |
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Intel Atom C3858
12C 12T @ 2.00 GHz |
AMD Athlon II X4 645
4C 4T @ 3.10 GHz |
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Intel Atom C3858
12C 12T @ 2.00 GHz |
AMD Athlon II X4 645
4C 4T @ 3.10 GHz |
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Intel Atom C3858
12C 12T @ 2.00 GHz |
AMD Athlon II X4 645
4C 4T @ 3.10 GHz |
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Intel Atom C3858
12C 12T @ 2.00 GHz |
AMD Athlon II X4 645
4C 4T @ 3.10 GHz |
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Intel Atom C3858
12C 12T @ 2.00 GHz |
AMD Athlon II X4 645
4C 4T @ 3.10 GHz |
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Intel Atom C3858
12C 12T @ 2.00 GHz |
AMD Athlon II X4 645
4C 4T @ 3.10 GHz |
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Intel Atom C3858
12C 12T @ 2.00 GHz |
Devices using this processor |
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AMD Athlon II X4 645 | Intel Atom C3858 |
Unknown | Unknown |