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AMD Athlon II X4 635 | AMD Phenom II X2 555 | |
CPU comparisonAMD Athlon II X4 635 or AMD Phenom II X2 555 - 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 635 has 4 cores with 4 threads and clocks with a maximum frequency of 2.90 GHz. Up to 16 GB of memory is supported in 2 memory channels. The AMD Athlon II X4 635 was released in Q1/2010. The AMD Phenom II X2 555 has 2 cores with 2 threads and clocks with a maximum frequency of 3.20 GHz. The CPU supports up to GB of memory in 2 memory channels. The AMD Phenom II X2 555 was released in Q2/2010. |
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AMD Athlon II (52) | Family | AMD Phenom II (52) |
AMD Athlon II X4 (Propus) (10) | CPU group | AMD Phenom II - 545 (9) |
1 | Generation | 2 |
Propus | Architecture | Callisto (K10) |
Desktop | Segment | Desktop |
-- | Predecessor | -- |
-- | Successor | -- |
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CPU Cores and Base FrequencyThe AMD Athlon II X4 635 has 4 CPU cores and can calculate 4 threads in parallel. The clock frequency of the AMD Athlon II X4 635 is 2.90 GHz while the AMD Phenom II X2 555 has 2 CPU cores and 2 threads can calculate simultaneously. The clock frequency of the AMD Phenom II X2 555 is at 3.20 GHz. |
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AMD Athlon II X4 635 | Characteristic | AMD Phenom II X2 555 |
4 | Cores | 2 |
4 | Threads | 2 |
normal | Core architecture | normal |
No | Hyperthreading | No |
No | Overclocking ? | Yes |
2.90 GHz | Frequency | 3.20 GHz |
-- | Turbo Frequency (1 Core) | -- |
-- | Turbo Frequency (All Cores) | -- |
Memory & PCIeThe AMD Athlon II X4 635 can use up to 16 GB of memory in 2 memory channels. The maximum memory bandwidth is 21.3 GB/s. The AMD Phenom II X2 555 supports up to GB of memory in 2 memory channels and achieves a memory bandwidth of up to 21.3 GB/s. |
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AMD Athlon II X4 635 | Characteristic | AMD Phenom II X2 555 |
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 thermal design power (TDP for short) of the AMD Athlon II X4 635 is 95 W, while the AMD Phenom II X2 555 has a TDP of 80 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently. |
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AMD Athlon II X4 635 | Characteristic | AMD Phenom II X2 555 |
95 W | TDP (PL1 / PBP) | 80 W |
-- | TDP (PL2) | -- |
-- | TDP up | -- |
-- | TDP down | -- |
-- | Tjunction max. | -- |
Technical detailsThe AMD Athlon II X4 635 is manufactured in 45 nm and has 2.00 MB cache. The AMD Phenom II X2 555 is manufactured in 45 nm and has a 6.00 MB cache. |
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AMD Athlon II X4 635 | Characteristic | AMD Phenom II X2 555 |
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 |
Q1/2010 | Release date | Q2/2010 |
-- | Release price | -- |
show more data | show more data | |
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AMD Athlon II X4 635
4C 4T @ 2.90 GHz |
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AMD Phenom II X2 555
2C 2T @ 3.20 GHz |
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AMD Athlon II X4 635
4C 4T @ 2.90 GHz |
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AMD Phenom II X2 555
2C 2T @ 3.20 GHz |
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AMD Athlon II X4 635
4C 4T @ 2.90 GHz |
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AMD Phenom II X2 555
2C 2T @ 3.20 GHz |
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AMD Athlon II X4 635
4C 4T @ 2.90 GHz |
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AMD Phenom II X2 555
2C 2T @ 3.20 GHz |
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AMD Athlon II X4 635
4C 4T @ 2.90 GHz |
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AMD Phenom II X2 555
2C 2T @ 3.20 GHz |
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AMD Athlon II X4 635
4C 4T @ 2.90 GHz |
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AMD Phenom II X2 555
2C 2T @ 3.20 GHz |
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AMD Athlon II X4 635
4C 4T @ 2.90 GHz |
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AMD Phenom II X2 555
2C 2T @ 3.20 GHz |
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AMD Athlon II X4 635
4C 4T @ 2.90 GHz |
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AMD Phenom II X2 555
2C 2T @ 3.20 GHz |
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AMD Athlon II X4 635
4C 4T @ 2.90 GHz |
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AMD Phenom II X2 555
2C 2T @ 3.20 GHz |
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AMD Athlon II X4 635
4C 4T @ 2.90 GHz |
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AMD Phenom II X2 555
2C 2T @ 3.20 GHz |
Devices using this processor |
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AMD Athlon II X4 635 | AMD Phenom II X2 555 |
Unknown | Unknown |