AMD Phenom II X4 B95 | AMD Athlon II X2 255 | |
CPU comparisonAMD Phenom II X4 B95 or AMD Athlon II X2 255 - 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 Phenom II X4 B95 has 4 cores with 4 threads and clocks with a maximum frequency of 3.00 GHz. Up to GB of memory is supported in 2 memory channels. The AMD Phenom II X4 B95 was released in Q3/2009. The AMD Athlon II X2 255 has 2 cores with 2 threads and clocks with a maximum frequency of 3.10 GHz. The CPU supports up to 16 GB of memory in 2 memory channels. The AMD Athlon II X2 255 was released in Q1/2010. |
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AMD Phenom II (52) | Family | AMD Athlon II (52) |
AMD Phenom II - 800/900 (23) | CPU group | AMD Athlon II X2 (Propus) (18) |
4 | Generation | 1 |
Deneb (K10) | Architecture | Propus |
Desktop / Server | Segment | Desktop / Server |
-- | Predecessor | -- |
-- | Successor | -- |
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CPU Cores and Base FrequencyThe AMD Phenom II X4 B95 is a 4 core processor with a clock frequency of 3.00 GHz. The AMD Athlon II X2 255 has 2 CPU cores with a clock frequency of 3.10 GHz. |
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AMD Phenom II X4 B95 | Characteristic | AMD Athlon II X2 255 |
4 | Cores | 2 |
4 | Threads | 2 |
normal | Core architecture | normal |
No | Hyperthreading | No |
Yes | Overclocking ? | No |
3.00 GHz | Frequency | 3.10 GHz |
-- | Turbo Frequency (1 Core) | -- |
-- | Turbo Frequency (All Cores) | -- |
Memory & PCIeThe AMD Phenom II X4 B95 supports a maximum of GB of memory in 2 memory channels. The AMD Athlon II X2 255 can connect up to 16 GB of memory in 2 memory channels. |
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AMD Phenom II X4 B95 | Characteristic | AMD Athlon II X2 255 |
DDR3-1333, DDR2-1066 | Memory | DDR3-1333 |
Max. Memory | 16 GB | |
2 (Dual Channel) | Memory channels | 2 (Dual Channel) |
21.3 GB/s | Max. Bandwidth | 21.3 GB/s |
No | ECC | No |
-- | L2 Cache | 2.00 MB |
6.00 MB | L3 Cache | -- |
-- | PCIe version | 2.0 |
-- | PCIe lanes | -- |
-- | PCIe Bandwidth | -- |
Thermal ManagementThe TDP (Thermal Design Power) of a processor specifies the required cooling solution. The AMD Phenom II X4 B95 has a TDP of 95 W, that of the AMD Athlon II X2 255 is 65 W. |
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AMD Phenom II X4 B95 | Characteristic | AMD Athlon II X2 255 |
95 W | TDP (PL1 / PBP) | 65 W |
-- | TDP (PL2) | -- |
-- | TDP up | -- |
-- | TDP down | -- |
-- | Tjunction max. | -- |
Technical detailsThe AMD Phenom II X4 B95 has a 6.00 MB cache, while the AMD Athlon II X2 255 cache has a total of 2.00 MB. |
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AMD Phenom II X4 B95 | Characteristic | AMD Athlon II X2 255 |
45 nm | Technology | 45 nm |
Unknown | Chip design | Unknown |
x86-64 (64 bit) | Instruction set (ISA) | x86-64 (64 bit) |
SSE3, SSE4a | ISA extensions | MMX, 3DNow!, SSE3, SSE4a |
AM3 | Socket | AM3 |
AMD-V | Virtualization | AMD-V |
No | AES-NI | No |
Windows 10, Linux | Operating systems | Windows 10, Linux |
Q3/2009 | Release date | Q1/2010 |
-- | Release price | -- |
show more data | show more data | |
AMD Phenom II X4 B95
4C 4T @ 3.00 GHz |
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AMD Athlon II X2 255
2C 2T @ 3.10 GHz |
AMD Phenom II X4 B95
4C 4T @ 3.00 GHz |
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AMD Athlon II X2 255
2C 2T @ 3.10 GHz |
AMD Phenom II X4 B95
4C 4T @ 3.00 GHz |
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AMD Athlon II X2 255
2C 2T @ 3.10 GHz |
AMD Phenom II X4 B95
4C 4T @ 3.00 GHz |
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AMD Athlon II X2 255
2C 2T @ 3.10 GHz |
AMD Phenom II X4 B95
4C 4T @ 3.00 GHz |
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AMD Athlon II X2 255
2C 2T @ 3.10 GHz |
AMD Phenom II X4 B95
4C 4T @ 3.00 GHz |
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AMD Athlon II X2 255
2C 2T @ 3.10 GHz |
Devices using this processor |
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AMD Phenom II X4 B95 | AMD Athlon II X2 255 |
Unknown | Unknown |