AMD Athlon II X4 640 | AMD Phenom II X4 925 | |
CPU comparisonIn this CPU comparison, we compare the AMD Athlon II X4 640 and the AMD Phenom II X4 925 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 Phenom II X4 925 which has 4 CPU cores and was introduced in Q2/2009. |
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AMD Athlon II (52) | Family | AMD Phenom II (52) |
AMD Athlon II X4 (Propus) (10) | CPU group | AMD Phenom II - 800/900 (23) |
1 | Generation | 4 |
Propus | Architecture | Deneb (K10) |
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 Phenom II X4 925 clocks with 2.80 GHz, has 4 CPU cores and can calculate 4 threads in parallel. |
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AMD Athlon II X4 640 | Characteristic | AMD Phenom II X4 925 |
4 | Cores | 4 |
4 | Threads | 4 |
normal | Core architecture | normal |
No | Hyperthreading | No |
No | Overclocking ? | Yes |
3.00 GHz | Frequency | 2.80 GHz |
-- | Turbo Frequency (1 Core) | -- |
-- | 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 Phenom II X4 925 supports a maximum of GB of memory with a maximum memory bandwidth of 21.3 GB/s enabled. |
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AMD Athlon II X4 640 | Characteristic | AMD Phenom II X4 925 |
DDR3-1333 | Memory | DDR3-1333, DDR2-1066 |
16 GB | Max. Memory | |
2 (Dual Channel) | Memory channels | 2 (Dual Channel) |
21.3 GB/s | Max. Bandwidth | 21.3 GB/s |
No | ECC | No |
2.00 MB | L2 Cache | -- |
-- | L3 Cache | 6.00 MB |
2.0 | PCIe version | -- |
-- | PCIe lanes | -- |
-- | PCIe Bandwidth | -- |
Thermal ManagementThe AMD Athlon II X4 640 has a TDP of 95 W. The TDP of the AMD Phenom II X4 925 is 95 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 Phenom II X4 925 |
95 W | TDP (PL1 / PBP) | 95 W |
-- | TDP (PL2) | -- |
-- | TDP up | -- |
-- | TDP down | -- |
-- | Tjunction max. | -- |
Technical detailsThe AMD Athlon II X4 640 has 2.00 MB cache and is manufactured in 45 nm. The cache of AMD Phenom II X4 925 is at 6.00 MB. The processor is manufactured in 45 nm. |
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AMD Athlon II X4 640 | Characteristic | AMD Phenom II X4 925 |
45 nm | Technology | 45 nm |
Unknown | Chip design | Unknown |
x86-64 (64 bit) | Instruction set (ISA) | x86-64 (64 bit) |
MMX, 3DNow!, SSE3, SSE4a | ISA extensions | SSE3, SSE4a |
AM3 | Socket | AM3 |
AMD-V | Virtualization | AMD-V |
No | AES-NI | No |
Windows 10, Linux | Operating systems | Windows 10, Linux |
Q2/2010 | Release date | Q2/2009 |
-- | Release price | -- |
show more data | show more data | |
AMD Athlon II X4 640
4C 4T @ 3.00 GHz |
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AMD Phenom II X4 925
4C 4T @ 2.80 GHz |
AMD Athlon II X4 640
4C 4T @ 3.00 GHz |
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AMD Phenom II X4 925
4C 4T @ 2.80 GHz |
AMD Athlon II X4 640
4C 4T @ 3.00 GHz |
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AMD Phenom II X4 925
4C 4T @ 2.80 GHz |
AMD Athlon II X4 640
4C 4T @ 3.00 GHz |
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AMD Phenom II X4 925
4C 4T @ 2.80 GHz |
AMD Athlon II X4 640
4C 4T @ 3.00 GHz |
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AMD Phenom II X4 925
4C 4T @ 2.80 GHz |
AMD Athlon II X4 640
4C 4T @ 3.00 GHz |
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AMD Phenom II X4 925
4C 4T @ 2.80 GHz |
AMD Athlon II X4 640
4C 4T @ 3.00 GHz |
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AMD Phenom II X4 925
4C 4T @ 2.80 GHz |
AMD Athlon II X4 640
4C 4T @ 3.00 GHz |
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AMD Phenom II X4 925
4C 4T @ 2.80 GHz |
AMD Athlon II X4 640
4C 4T @ 3.00 GHz |
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AMD Phenom II X4 925
4C 4T @ 2.80 GHz |
AMD Athlon II X4 640
4C 4T @ 3.00 GHz |
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AMD Phenom II X4 925
4C 4T @ 2.80 GHz |
Devices using this processor |
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AMD Athlon II X4 640 | AMD Phenom II X4 925 |
Unknown | Unknown |