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AMD Athlon II X4 640 | AMD EPYC Embedded 3255 | |
CPU comparisonIn this CPU comparison, we compare the AMD Athlon II X4 640 and the AMD EPYC Embedded 3255 and use benchmarks to check which processor is faster.
We compare the AMD Athlon II X4 640 4 core processor released in Q2/2010 with the AMD EPYC Embedded 3255 which has 8 CPU cores and was introduced in Q1/2018. |
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AMD Athlon II (52) | Family | AMD EPYC (129) |
AMD Athlon II X4 (Propus) (10) | CPU group | AMD EPYC Embedded 3000 (7) |
1 | Generation | 1 |
Propus | Architecture | Snowy Owl (Zen) |
Desktop / Server | Segment | Desktop / Server |
-- | Predecessor | -- |
AMD Athlon II X4 740 | Successor | -- |
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CPU Cores and Base FrequencyThe AMD Athlon II X4 640 is a 4 core processor with a clock frequency of 3.00 GHz. The processor can compute 4 threads at the same time. The AMD EPYC Embedded 3255 clocks with 2.50 GHz (3.10 GHz), has 8 CPU cores and can calculate 16 threads in parallel. |
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AMD Athlon II X4 640 | Characteristic | AMD EPYC Embedded 3255 |
4 | Cores | 8 |
4 | Threads | 16 |
normal | Core architecture | normal |
No | Hyperthreading | Yes |
No | Overclocking ? | Yes |
3.00 GHz | Frequency | 2.50 GHz |
-- | Turbo Frequency (1 Core) | 3.10 GHz |
-- | Turbo Frequency (All Cores) | -- |
Memory & PCIeUp to 16 GB of memory in a maximum of 2 memory channels is supported by the AMD Athlon II X4 640, while the AMD EPYC Embedded 3255 supports a maximum of 512 GB of memory with a maximum memory bandwidth of 42.7 GB/s enabled. |
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AMD Athlon II X4 640 | Characteristic | AMD EPYC Embedded 3255 |
DDR3-1333 | Memory | DDR4-2666 |
16 GB | Max. Memory | 512 GB |
2 (Dual Channel) | Memory channels | 2 (Dual Channel) |
21.3 GB/s | Max. Bandwidth | 42.7 GB/s |
No | ECC | Yes |
2.00 MB | L2 Cache | 4.00 MB |
-- | L3 Cache | 16.00 MB |
2.0 | PCIe version | 3.0 |
-- | PCIe lanes | 32 |
-- | PCIe Bandwidth | 31.5 GB/s |
Thermal ManagementThe AMD Athlon II X4 640 has a TDP of 95 W. The TDP of the AMD EPYC Embedded 3255 is 55 W. System integrators use the TDP of the processor as a guide when dimensioning the cooling solution. |
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AMD Athlon II X4 640 | Characteristic | AMD EPYC Embedded 3255 |
95 W | TDP (PL1 / PBP) | 55 W |
-- | TDP (PL2) | -- |
-- | TDP up | -- |
-- | TDP down | 25 W |
-- | Tjunction max. | 105 °C |
Technical detailsThe AMD Athlon II X4 640 has 2.00 MB cache and is manufactured in 45 nm. The cache of AMD EPYC Embedded 3255 is at 20.00 MB. The processor is manufactured in 14 nm. |
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AMD Athlon II X4 640 | Characteristic | AMD EPYC Embedded 3255 |
45 nm | Technology | 14 nm |
Unknown | Chip design | Chiplet |
x86-64 (64 bit) | Instruction set (ISA) | x86-64 (64 bit) |
MMX, 3DNow!, SSE3, SSE4a | ISA extensions | SSE4a, SSE4.1, SSE4.2, AVX2, FMA3 |
AM3 | Socket | SP4r2 |
AMD-V | Virtualization | AMD-V, SVM |
No | AES-NI | Yes |
Windows 10, Linux | Operating systems | Windows 10, Linux |
Q2/2010 | Release date | Q1/2018 |
-- | Release price | -- |
show more data | show more data | |
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AMD Athlon II X4 640
4C 4T @ 3.00 GHz |
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AMD EPYC Embedded 3255
8C 16T @ 3.10 GHz |
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AMD Athlon II X4 640
4C 4T @ 3.00 GHz |
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AMD EPYC Embedded 3255
8C 16T @ 2.50 GHz |
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AMD Athlon II X4 640
4C 4T @ 3.00 GHz |
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AMD EPYC Embedded 3255
8C 16T @ 3.10 GHz |
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AMD Athlon II X4 640
4C 4T @ 3.00 GHz |
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AMD EPYC Embedded 3255
8C 16T @ 2.50 GHz |
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AMD Athlon II X4 640
4C 4T @ 3.00 GHz |
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AMD EPYC Embedded 3255
8C 16T @ 3.10 GHz |
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AMD Athlon II X4 640
4C 4T @ 3.00 GHz |
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AMD EPYC Embedded 3255
8C 16T @ 2.50 GHz |
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AMD Athlon II X4 640
4C 4T @ 3.00 GHz |
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AMD EPYC Embedded 3255
8C 16T @ 2.50 GHz |
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AMD Athlon II X4 640
4C 4T @ 3.00 GHz |
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AMD EPYC Embedded 3255
8C 16T @ 2.50 GHz |
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AMD Athlon II X4 640
4C 4T @ 3.00 GHz |
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AMD EPYC Embedded 3255
8C 16T @ 3.10 GHz |
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AMD Athlon II X4 640
4C 4T @ 3.00 GHz |
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AMD EPYC Embedded 3255
8C 16T @ 2.50 GHz |
Devices using this processor |
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AMD Athlon II X4 640 | AMD EPYC Embedded 3255 |
Unknown | Unknown |